Form 761, Page 1

Parts Form RGM 761 (Version B)Obsoletes Form 761-A

USED OIL HEATERS

IMPORTANT1. Always include complete heater model and serial number so

that any specification change can be considered for parts ship-ment. It can save time and expense.

2. Used oil heaters are not approved for sale in the states of Cali-fornia and New Jersey.

3. We reserve the right to substitute functional replacements.4. Specifications are subject to change without notice.

APPLIES TO: Models RA/RAD110, 140, 235, 350, 500

Model/Size Date of Introduction DiscontinuedRA/RAD110 UL - 6/90 (APF) 6/92 (ARF)

Model/SizeRA/RAD140

Date of IntroductionUL & CSA - 6/92 (ARF)

Model/SizeRA/RAD235

Date of IntroductionUL - 6/90 (APF)CSA - 1/92 (ARA)

Model/SizeRA/RAD350

Date ofIntroductionCSA - 12/93 (ASL)

Model/Size Date of IntroductionRA/RAD500 CSA - 7/97 (AWG)

REFERENCES: Form RGMReplacement Parts for DiscontinuedModels RA/RAD118/230 760-1Installation & Maintenance for RA/RAD 140/235 461Installation & Maintenance for RA/RAD 350-500 464Heater Stand for Model OT Oil Tank 417/461-HSHigh Altitude Conversion - Size 235 461-HAHigh Altitude Conversion - Size 350 464-HA

Index by Page No. RA RADAir Compressor 12 12Air Manifold Components 13 13Backflow Sensor Limit Control 4, 16 4, 16Blower and Components (Model RAD) 6Burner (Complete Replacement and Components) 10 10Cabinet Parts (Outer) 4-6 4-6Cleaning Brush or Rake 19 19Conversion Kits for High Altitude 14 14Door Panels (inner access doors) 8-9 8-9Draft Regulator 4 4Electrical Boxes and Components 16 16Electrodes 10 10Fan and Components (Model RA) 6Fan and Limit Controls (Heater) 18 18Filter (Compressed Air) 13 13Filter (Fuel) - Supply Line 12, 14 12, 14Fuel Line/Nozzle Assembly 11 11Gaskets (for inner access doors) 8-9 8-9Gasket (for burner assembly) 10 10Hanger Kit (Same as as Option CK10) 19 19Heat Exchanger/Combustion Chamber Assembly 8-9 8-9Heat Exchanger (fuel-preheater) & Controls 3 3Hour Meter 14 14Ignition Controller 10 10Limit Controls (Oil Temperature) 3 3Limit and Fan Controls 18 18Motor, Fan or Blower 6 6Motor, Gear (at the Remote Pump) 14 14Nozzle 11 11Paint 19 19Pump (Remote) 14 14Serial Number 2 2Stand (Heater Stand Option ST-1 for Reznor Model OT-250 Fuel Tank)

20 20

Strainer Assembly (fuel line) 12 12Switches (Pressure) 16 16Switches (Control) 16 16Thermostat 19 19Transformer 10, 16 10, 16Vacuum Gauge 14 14Valve, Foot 14 14Valve, Relief 14 14Valve Solenoid 13 13Vent Cap 4 4Vertical Louvers 19 19

Form 761, Page 2

First Element of the Serial Number - Date of ManufactureYear Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec1990 APA APB APC APD APE APF APG APH API APJ APK APL1991 AQA AQB AQC AQD AQE AQF AQG AQH AQI AQJ AQK AQL1992 ARA ARB ARC ARD ARE ARF ARG ARH ARI ARJ ARK ARL1993 ASA ASB ASC ASD ASE ASF ASG ASH ASI ASJ ASK ASL1994 ATA ATB ATC ATD ATE ATF ATG ATH ATI ATJ ATK ATL1995 AUA AUB AUC AUD AUE AUF AUG AUH AUI AUJ AUK AUL1996 AVA AVB AVC AVD AVE AVF AVG AVH AVI AVJ AVK AVL1997 AWA AWB AWC AWD AWE AWF AWG AWH AWI AWJ AWK AWL1998 AXA AXB AXC AXD AXE AXF AXG AXH AXI AXJ AXK AXL1999 AYA AYB AYC AYD AYE AYF AYG AYH AYI AYJ AYK AYL2000 AZA AZB AZC AZD AZE AZF AZG AZH AZI AZJ AZK AZL2001 BAA BAB BAC BAD BAE BAF BAG BAH BAI BAJ BAK BAL2002 BBA BBB BBC BBD BBE BBF BBG BBH BBI BBJ BBK BBL2003 BCA BCB BCC BCD BCE BCF BCG BCH BCI BCJ BCK BCL2004 BDA BDB` BDC BDD BDE BDF BDG BDH BDI BDJ BDK BDL2005 BEA BEB BEC BED BEE BEF BEG BEH BEI BEJ BEK BEL2006 BFA BFB BFC BFD BFE BFF BFG BFH BFI BFJ BFK BFL2007 BGA BGB BGC BGD BGE BGF BGG BGH BGI BGJ BGK BGL2008 BHA BHB BHC BHD BHE BHF BHG BHH BHI BHJ BHK BHL2009 BIA BIB BIC BID BIE BIF BIG BIH BII BIJ BIK BIL2010 BJA BJB BJC BJD BJE BJF BJG BJH BJI BJJ BJK BJL2011 BKA BKB BKC BKD BKE BKF BKG BKH BKI BKJ BKK BKL2012 BLA BLB BLC BLD BLE BLF BLG BLH BLI BLJ BLK BLL2013 BMA BMB BMC BMD BME BMF BMG BMH BMI BMJ BMK BML2014 BNA BNB BNC BND BNE BNF BNG BNH BNI BNJ BNK BNL2015 BOA BOB BOC BOD BOE BOF BOG BOH BOI BOJ BOK BOL

Form 761, Page 3

Fuel Pre-Heater System (U.S. Patent No. 5,080,579) - Models RA/RAD

Oil Pre-heating System (U. S. Patent No. 5,080,579)

5A - "O" Ring

11 - HeaterFront Support

Oil is heated as it flows aroundthe cylinder

5

CylinderCover

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Pre-heater is located in the box belowand behind the burner assembly

7 - Low Oil TemperatureLimit (yellow dot)

8 - Manual Reset High OilTemperature Limit

6 - Oil TemperatureControl (white dot)

9 - Heating Element (300 watt)

BrassElbow, P/N110291

To remove theheating element,remove the heaterfront support andpull heatingelement forward.11 - Heater Front Support

Code Description RA/RAD110/140/235 350 500

Fuel Heat Exchanger Assembly Components1 Fuel Heat Exchanger Box (less Codes 2 and 3)2 Fuel Heat Exchanger Box Front3 Fuel Heat Exchanger Box Corner 4 Band (from heat exchanger box around burner tube) - not illustrated5 Oil Primary Heater Assembly (includes 2-piece aluminum cylinder,

end cap, and "O" ring, Code 5A)5A Replacement "O" ring for Oil Heater cylinder6 Oil Temperature Control, Thermodisc #36T317 Low Oil Temperature Limit, Thermodisc #S220638 High Oil Temperature limit, Thermodisc #36T369 Heater, Hotwatt #SC75-6 106953 129384 157048

300 Watt 650 Watt 770 Watt/230V10 Copper/Brass Pipe, 1/8" NPT x 2-1/2" long11 Heater Front Support

105320

107122104787

101916

132224105318105319

104784104788104789179313

Form 761, Page 4

Cabinet Parts - Models RA/RAD (Quantity required if other than one is shown inparenthesis)

Code 55 -Vent Cap

Code 54 - BarometricDraft RegulatorSize 110 - 7",P/N 37865;Sizes 140/235/350 - 8", P/N 37866;Size 500 - 10",P/N 157623

Code 46 - Door Latch Kit Code 48 - Viewport Cover Assembly with BackflowSensor (Illustration is P/N 144439)

(on CSA Models manufactured beginning 5/96)

BackflowSensor Gasket,P/N 121341

Manual ResetLimit (BackflowSensor),P/N 121275

Screw,P/N 38529

Hinge Bracket

HingePin

Plug, P/N 104838

CoverAssembly,

Code Description RA/RADCabinet Parts for Both Blower and Fan Models 110/140 235 350 500

20 Cabinet Top Outer Panel 104741 104742 130602 Right Side - 151959Left Side - 151960

21 Cabinet Top Inner Panel (not illustrated) 104738 104739 130638 Burner Side - 151972Center - 151971

Turning Box Side - 15197322 Top Supports - front to back (not illustrated) -- -- -- (2)15197723 Cabinet Bottom Outer Panel 104741 104742 130602 Right Side - 151818

Left Side - 15181924 Cabinet Bottom Inner Panel only (not illustrated) 104738 104739 130609 15198325 Heat Exchanger Support (not illustrated - attached with (2)130604 Burner Side - 157110

screws to the bottom panel) Turning Box Side - 15711126 Heat Exchanger Clamp (heat exchanger to supports - not illustrated) -- -- -- (3)15181627 Door Stop (not illustrated - attaches with screws to the bottom panel) (2)130603 (2)15196428 Top and Bottom Front Panel (2)104747 (2)104748 (2)130623 (2)15197629 Top and Bottom Air Deflectors (behind the top and bottom front panels) -- -- -- Top-151965 Bottom-15196630 Insulated Heat Shield for Front/Back Upper Casing Panel -- -- (2)130631 --31 Front Corner Post (2)130622 155262 - Right Front32 Corner Post for Left Front and Left and Right Rear Corners -- -- -- (3)15711933 Center Post Assembly (Burner end of heater) -- -- -- 15713934 Center Post (Turning box end of heater) -- -- -- 15196735 Louver Frame with Horizontal Louvers (For optional vertical louvers, see page 19) (2)94857 (2)94851 (2)94867 (3)9486336 Center Louver Fame with Horizontal Louvers -- 104836 -- --37 Center Louver Support -- -- 130634 (2)15182038 Outer Exhaust Access Door Assembly including Insulation, Latch & Handle 130628 15712439 Outer Flue Panel Assembly with insulation -- -- -- 15769240 Flue Panel Support (not illustrated) -- -- -- 15196241 Burner Panel Assembly including insulation 130624 15769142 Burner Panel Support (not illustrated) -- -- -- (2)15196343 Service Tray mfgd prior to 5/95 130627 --

mfgd beginning 5/95 140867 15197944 Outer Combustion Chamber Door Assy including insulation, latch & handle 130640 15712245 Outer Turning Box Door Assembly including insulation, latch & handle -- -- -- 15712046 Door Latch Kit for outer door panels47 Door Lift for outer door panels48 Viewport Cover & Bracket Assembly CSA Models only 149878 157138

UL Models only N/A --49 View Port Tube Mounting Plate Assembly (not illustrated)50 View Port Tube Assembly (not illustrated)51 View Port Gasket (not illustrated) (2)12460352 Fan and Limit Control Access Panel (illustrated on page 6) N/A 9489853 Hole Plug, Heyco DP-437 2633 (not illustrated)54 Draft Regulator See Illustration55 Vent Cap 10" - 1590008"-147149

116457104761

147355

14174794898

112974104751

144439104768

112222

104757140866107170

(2)104736

(2)104753

(2)104743

104754

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Assemblysequence

Form 761, Page 5

Model RAD350

Model RA110/140/235

1223

28 31

35

37

42

43

20 28 41 48(Viewport)

20

23 28 31

35

36

41

43

28 48 (Viewport) 41

Code 44 - Combustion Chamber OuterDoor Panel - door latches (Code 46) arenot illustrated

Turning Box End

Turning Box End

Code 44 - CombustionChamber Outer Door Panel

Model RA500

45 44

34

32

TurningBox End

20-Left 20-Right

23-Left23-Right

33

32

39

38

43

4131

32

28

28

Form 761, Page 6

Cabinet Parts and Blower Components - Model RAD

* Model RA235 manufactured prior to 3/92 (Serial No. Code ARC) was equipped with a 1/2 HP motor, P/N 102382. Replace with P/N 137044.

Cabinet Parts and Fan Components - Model RACode Description RACabinet Parts and Fan Components for Fan Models 110/140 235 350 500

61 Fan Panel (includes corner posts on Sizes 110/140/235)

104744 104745 130635 157845

61 Top and Bottm Fan Panel -- -- -- (2)15197562 Fan Guard Mount Assembly (2)130636 --63 Fan Guard Assembly (2)104818 (2)15712164 125564 96383 (2)96383 (2)157058

Lau F07H01729 (Replaces 3501) Lau #6105 08A-2434

65 Fan Support Assembly, Premier #RC52997-AA-- -- --

(2) 176107

66 Fan Motor 102380 137044 * (2)137044 (2) 1570421/8HP A.O. Smith #322P986 3/4HP A.O.Smith

230V67 Rear Corner Posts N/A N/A (2)130622 --

Fan Blade Assembly (See diagram below for Replacement Spacing)

1/4HP Magatek #HE4L018 (replaces 115866)

Lau #F10 H8.7 22-36

104823104818

Code Description RADCabinet Parts and Blower Components 110 140 235 350 500

70 Blower Back Panel with Air Deflector 130681 15712571 Corner Post Assembly (left rear corner) 130622 15711972 Blower Post Assembly (right rear corner) 107168 130622 15711973 Top Back Filler Panel 104796 130623 --74 Bottom Back Filler Panel 104797 130623 --75 Support Angle Assembly (not illustrated) -- (4)130679 (4)13067976 Inlet Duct Flange -- (2)130689 (2)15807877 Blower (including blower housing, wheel, 100658 (2)131276 (2)131276

shaft) - Sizes 110/140/235 also include Lau #A15-11ACD

bearings and motor mounting bracket.78 Blower Shaft 1-3/16 x 43" 130697 13069779 Blower Mounting Angle (2)100890 (4)100890 (4)100890

80 Blower Sheave (not illustrated) 116401 16158 114028

Browning AL104 x 1" Bore Browning #AL94 x 1" Bore

Browning AK134 x 1-13/16" Bore

Browning #AK134H

81 Blower Motor UL Listed 115860 -- --1/2 HP Century #8-159170-01 3/4 HP Century #8-159626-01

CSA Certified -- 94347 1115601-1/2 HP Smith

#311P402Magnetek, 208/230V

82 Motor End Enclosure Base 15878583 Motor End Enclosure Box 15878484 Motor Contactor Enclosure 15120785 Motor Contactor Overload 15119486 Motor Contactor 15115787 Motor Sheave, Browning #1VL40-5/8" Bore 88 Motor Mounting Bracket 10253489 Motor Adjustment Bracket Assy Package90 Hardware Bag (rubber feet & mtng hrdwre)91 Motor Mounting Plate92 Shaft Guard Assembly 131142 157842

92A Shaft Guard Screen 131143 15784192B Shaft Guard Band92C Shaft Guard Mounting Angle93 Belt Guard Assembly 130684 13068594 Blower Inlet Guard95 Belt (not illustrated), Browing 16130, #A5396 Bearing Bracket (painted)97 Key 1/4" x 1-1/4"

----

(2)13127716099

101479102475

88560, #A616187, #4L250

--

------

--------

14205

(2)131144(3)110773

----------

100657

--(2)100889

116402

--

104795----

107166107167104795

3/4 HP Century #8-159626-01

Lau #A15-11Lau #A12-9ACD

31273

115860

7962102533

4441164940

Form 761, Page 7

Code 93 - Belt GuardAssembly

Code 94 -BlowerInletGuard

Code 89 - Motor Adjust-ment Bracket Assembly

Package

Code 91 - Motor Mounting PlatePlus Components

Code 90-HardwareBag

Code 88 - MotorMounting Bracket

Rear View ofModels RAD110/140/235

Bolt, P/N16247

RightSupport, P/N12577 Bolt, P/N

16248

Rod Bolt (2),P/N 12489

Mounting Plate only,Code 53

LeftSupport,

P/N 12576

Nut (10), P/N6554; Washer(8), P/N 1087

41

72 73

74

77

7981

88

89

93

9471

70

71

7274 (Same as Code 28,

page 3)76

77

8191

92

47

73 (Same asCode 28, Page 3)

Model RAD 350- Rear View

Model RAD 500 - Rear View ShowingMotor Enclosure Box and Shaft Guard

Model RA110/140/235 Model RA350 - Rear View

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MotorSpacing Size Fan Blade Reznor Set Screw "A" Hub to

P/N Torque "Lbs Mtr Spacing

110 & 140 Lau F7H01729 125564 80± 10 2-7/8"

235 & 350 Lau F10 H8.7 22-36 96383 150± 15 3-1/2"

500 Lau 6105 08A-2434 157121 2-1/8"

60

62

63

6466

67

67

Model RA500 - Rear View

62

63

6466

60

52 - Fan and Limit ControlAccess Panel , Page 3

61

6461 66 63

60

81

7993

92

77

70

82

83

84-87

91

Form 761, Page 8

Heat Exchanger/Combustion Chamber and Covers - Models RA/RAD

Code 100 for Models RA/RAD 110/140/235Code 101 - CombustionChamber Inner AccessDoor with 10-hole design forModels RA/RAD 110/140/235 manufactured begin-ning 1/92Model RA/RAD 110/140/235heaters manufactured prior to1/92 have combustion cham-ber inner access doors with 6-hole design. Determine thedoor type by counting thenumber of nuts and bolts hold-ing the access door.

CombustionChamber"Drum"

HeatExchangerSection

Models RA/RAD 350 - ExhaustCollar Plate Assembly and Gasket(below the service tray)

Code 96 -Exhaust BoxInner Cover

Code 95 - ExhaustCollar PlateAssembly

Models RA/RAD 110/140/235 -Exhaust Box Access Door (belowservice tray)

Code 118 - Exhaust CollarPlate Assembly

*Complete kits are available to replace inner access door (turning box end) for Models RA/RAD 110/140/235. Replacement kit includes a doorwith a ceramic liner (Code 101A), gasket (Code 102), hardware, and installation instructions -- 6-Hole Replacement Inner Access Door Kit- P/N 126019; 10-Hole Replacement inner Access Door Kit - P/N 126021

Code 117 - Gasket

Code 110 -CombustionChamber/HeatExchangerAssembly forModels RA/RAD 350 Turning

Box End

CombustionChamber

ExhaustEnd

Heat ExchangerTubes

Model RA/RAD 110/140/235

Model RA/RAD 350Code Description RA/RAD 350110 Complete Heat Exchanger/Combustion Chamber Assy 130605111 Top Inner Access Door Panel Assy (turning box end) 131139112 Bottom Inner Access Door Panel (turning box end) 131136113 Woven Ceramic Door Gasket - 124" 130621114 Center Cross Brace for attaching Top and Bottom Door 151793115 Woven Ceramic Gasket for Cross Brace - 27" 131263116 Complete Door Replacement Kit (includes Codes 111,

113, 115, hardware and gaskets)162914

117 Gasket for Exhaust Cover - 80" 130618118 Exhaust Collar Plate Assembly 130619

Code Description RA/RAD110 140 235

100 Complete Heat Exchanger/ UL 126015 126016Combustion Chamber Assembly CSA 126017 126018

101* Large Inner Combustion Chamber Door 6-Hole 126013with Insulating Board (turning box end) 10-Hole 126014

101A Insulating Board only 132911 (replaces 125121)102 Gasket for Inner Access 6-Hole (2) 124064 and (2) 124065

Door (turning box end) 10-Hole 120057103 Inner Exhaust Box Cover 104729 115150104 Gasket for Exhaust Box Cover 112224105 Exhaust Collar Plate Assembly 104820 115144106 Spray Adhesive for Replacment Gaskets, 20 Fluid Oz.,

for cut-to-size gaskets; not required for woven gaskets112225

Form 761, Page 9

Model RA/RAD 350View with Inner Access Doors RemovedButton hole type woven ceramic gasket isused between all mating parts.

View with Outer Access Door Removedshowing 2-Piece Inner Access Door Panels

Model RA/RAD 500

CombustionChamber

TurningBox End

ExhaustEnd

Heat ExchangerTubes

Code 120 - Complete CombustionChamber/Heat Exchanger Assy

121

121

121122

122

122

123

124

126

Turning Box End with Doors(Codes 122 and 121) Closed

Turning Box End with Doors(Codes 122 and 121) Open

Code 114 -Cross Brace

Code Description RA/RAD 500120 Complete Heat Exchanger/Combustion Chamber Assy 157100121 Large Inner Combustion Chamber Door with liner & hinges 157122

122 Small Inner Turning Box Door with hinges 157114123 Turning Box Door Gasket 157689124 Exhaust Box Cover Assembly 157115125 Gasket for Exhaust Box 157690126 Exhaust Box Removable Panel 151802

Form 761, Page 10

Burner/Heater Fuel Lines/Compressed Air System

Primary Air Filter

Rotary VaneCompressor -mfgd before1/93

Main Electrical BoxBurner Junction Box135

137

Models RA/RAD 350Models RA/RAD 110/140/235137

135

Piston AirCompressor

BurnerJunctionBox 138

Primary Air Filter

Main Electrical Box

* Model 110 requires low fire baffle, P/N 107028. Model 110 and Model 140-H (high altitude) require a nozzle, P/N 107310.

Main Electrical Box

Primary Air Filter

135

137BurnerJunction Box

Piston Compressor -All unitsmanufacturedbeginning 1/93 havea piston compressor.

Models RA/RAD 500 Main Electrical Box

BurnerJunctionBox

PrimaryAir Filter

137

135

Code Description RA/RAD

110/140 235 350 500130 Complete Replacement Burner Assy (use burner assy without burner motor 123919* 123919 148254 --

without motor on units with rotary vane compressor) with burner motor 123918* 123918 148253 --

131 Burner Housing Assembly only, Beckett (with piston compressor) 124981 124981 124981 157040

(includes Codes 131A, 132, 133, 134, 136, 138 & 139) Model SF-230V

131A Burner Hole Plug

132 Burner Assembly Gasket, Beckett #3416

133 Combustion Air Blower Wheel, Beckett 163125, #2288U

134 Flame Cone Assembly 157850

135 163126 - 230V

Beckett #21176U135A

136 Cad Cell Detector and Eye, Honeywell #C554A1794

137A Ignition Controller

137B --

138 163127 - 230V

Beckett #21173U

139 Air Guide, Beckett #31231 --

123195 (replaces P/N 101932)

41598

147096

Beckett #2-456, 1/7 HP

107027, #2999

101332

104774

(2)137576 (replaces P/N 130347)

Transformerwith Gaskets and Electrode/Transformer Connectors

Burner Motor (For units with piston air compressor only)

Model RZ1404

170188

120V (includes Code 135A)

157054, Honeywell R8184G

Ignition Controller Replacement Kit (replaces Phelon or Beckett controller)

111859

103420

Electrode/Transformer Connector only with nut (P/N 111377)

Form 761, Page 11

Burner Fuel Line/Nozzle Assembly (size designation changes; select carefully)

Code 134 -Flame ConeAssembly

Code 133 -CombustionAir Wheel

Code 136 -Cad Cell

Code 140 - Fuel Line/Nozzle Assembly

NOTE: The nozzle adapter also containsa 30 watt heating element (Code 147). Toreplace that element:(1) Remove the buss bars. (2) Unscrew theinlet heater and slide the black insulationrearward. Loosen the set screw whichretains the static plate and slide rearward.This will expose the heating element.

*Code 148 - Inlet HeaterRemove the silicone rubber to free the30 watt heating element (Code 147).When replacing, use silicone rubber toretain new element.

146 CeramicInsulator

*148

161(blackwires)

156

141

162(redwires)

155150

Code Description RA/RAD110 140 235 350 500

140 Fuel Line/Nozzle Assy 107116 107117 107117 130648 157851

Components (Code 140 includes Codes 141 - 162)141 Nozzle, Delavan Sea Level 107310 102997 102997 129382 157041

(includes O Ring, Code 141) 3001-7000 -- 107310 102997 129382 --

Over 7000 -- -- 102997 -- --

141A Nozzle O Ring only, Delavan 31351-3 123399

142 Left Electrode, Crown Eng 27195LH 104845 (includes nut)

143 Right Electrode, Crown Eng 27195RH 104846 (includes nut)

145 Varglas Sleeving #1 x 6" long 90511

146 Buss Bar, Crown Eng #271968 (2) 107213

147 Heater, 30 watt, Hotwatt (2) 157049

148 Inlet Heater 163128

149 Ty-Rap, 6" long, T&B#TY-24M 20913

150 (2) 107118

151 Snap Bushing, Heyco #SB-500-6

152 Tubing Barbed Fitting, 1/8" IP x 1/4

153 Brass Street Elbow, 1/8" NPT

155 Static Plate Assy with electrode clamps

156 Nozzle Adapter

157 Machine Screw, Sems 6-32 x 1/4" lg

158 Set Screw, 1/4-20 x 3/8" long159 Foam Rubber Insulation, 3/8"

I.D. x 1/2" Wall x 4-3/4" long

160 Copper/Brass Pipe 1/8" NPTx 6" lg

161 Low Oil Temperature Limit

162 Nozzle Temperature Control

Silicon Rubber Tubing (air manifold to nozzle & air manifold to pressure switch)

124038, Thermodisc 36T22P

124039, Thermodisc 36T21P

104766

(4)107119

110942107121, Rubatex #R-180-FS

(2)29871

106952

(2) 130673

106186

106396

110314

106176

120287

Form 761, Page 12

Fuel Line Components - Models RA/RADCode 170 - Secondary StrainerAssembly Showing Components

Fuel Line Components

NOTES:1. Oil solenoid valve to be piped as follows: Port

(1) to secondary strainer assembly; Port (2) tofuel connection assembly; and Port (3) to hexhead plug.

2. Located on both ends of conduit coupling.3. Located on the inside of the burner housing

assembly4. Wrap 4-3/4" lg foam rubber insulation (P/N

107121) around copper tubing assembly.5. Add #4 x 4" lg varglass sleeving (P/N 107312)

around the oil solenoid valve wires.6. All connections are to be tight and leak-free.

Burner Compressed Air System - Models RA/RAD

Code Description RA/RADFuel Line Components170 Secondary Strainer Assembly 110233

170A Screen, 7/16" diameter x 7/8" long 110236

170B Spring, Associated Spring #CO390-043-0810-M 110235

170C O-Ring, Size 113,Viton #AS568-113 110237

170D Bleeder Adapter 113795

170E Bleeder 113796

170F Plug 107371

170G Tee 107341

171 Oil Solenoid Valve, Asco #U8325B7V 110177

172 Fuel Connection Assembly 120288

173 Fuel Connection Nut 104835

174 Copper Tubing Assembly, Yoder #110290 110290

175 Foam rubber Insulation, 3/8" I.D. x 1/2" Wall x 4-3/4" long, (Rubatex #R-180-FS - not illustrated)

107121

176 Flexible Fuel Line (illustrated on page 10) 107164

177 Fuel Inlet Connection on Service Tray 120864

Code Description RA/RAD110 140/235 350 500

Compressed Air System:180 Air Compressor (for motor, see Code 88) Piston Type 157043

Gast #SOA-230V181 -- --

182-- --

183

184 Complete Kit to Field Replace a Rotary Vane UL -- --Compressor with a Piston Air compressor CSA -- 121871 -- --

185 Capacitor only for Air Compressor

Machine Screw with External Tooth Washer, 1/4-20x 8" long (connects

Compressor Repair Kit, Gast #K498, includes gaskets, rings and a secondary air filter (muffler) -- not illustrated -- for rotary vane compressorCompressor Repair Kit, Gast #K401 - for piston compressor

121867

130390

119636

112106

(2)110984

122876

Gast #SOA-V115-NA

Form 761, Page 13

Primary Air Filter Components

Compressed AirManifold forHeater with RotaryVane Compressor(Standard onheatersmanufacturedprior to 1/93)

Compressed AirManifold forOptional PistonAir Compressor(Applies to heaterswith optionalpiston compressormanufacturedprior to 1/93)

Compressed Air Manifold forStandard Piston AirCompressor - All Sizes

Code Description RA/RAD110 140/235

Air Manifold Components

190 Brass Street Tee, 90o, 1/8 NPT (2)96810 (2)96810

191 Brass Branch Tee, 1/8 NPT 96809 96809192 Brass Pipe Plug, 1/8 NPT 110287 110287193 Brass 0-3000 ft elevation 63003 11834

orifice 1.2 mm #54

3001-7000 ft elevation, 39658 Size 235 only #56Over 7000 ft elevation, 39658Size 235 only #56

194 Barbed Fitting, 1/8 NPT (2)106396 (2)106396195 Black Iron Hex Bushing, 87022 87022

1/4 NPT x 1/8 NPT

Code Description RA/RAD110 140/235

Air Manifold Components200 1/8" Street Tee (brass) (2)96810 (2)96810201 1/8" x 1/4" Tubing Barbed Fitting 106396 106396

202 Air 0-3000 ft elevation 121359 16588Bleed #68 #65

Orifice 3001-7000 ft elevation, 121359Size 235 only #68

Over 7000 ft elevation, 121359Size 235 only #68

203 1/4" to 1/8" Hex Bushing 87022 87022

204 90o Street Elbow - 1/4" 107223 107223205 1/8" Pipe Plug (brass) 110287 110287

206 1/8" Branch Tee (brass) 96809 96809

Code Description RA/RAD140 235 350 500

Air Manifold Components210 Reducer 126593 126593 126593 126593211 Cross 126592 126592 126592 126592212 Hose Barb (2)106396 (2)106396 (2)106396 (2)106396213 Air 0-3000 ft 121359 16588 16588 16588

Bleed elevation #68 #65 #65 #65Orifice 3001-7000 ft 121359 121359 132349 --

elevation #68 #68 #70Over 7000 ft -- 121359 -- --

elevation #68

Code Description RA/RADAll Sizes

220 Primary Air Filter Assembly 121182Components:220A Outer Disk 107217

220B Inner Disk 107218

220C Hex Head Bolt 1/4-20 x 3" long 10653

220D Hex Nut (Keps) 1/4-20 7328

220E Air Filter, Wix 42374 107216

220F Wing Nut, 1/4-10 107246

220G Nut 110628

220H Hex Bushing 1/4" x 1/8" (replaced secondary air filter effective on unit manufactured beginning 5/95)

87022

220J Street Elbow 90°, 1/4 NPT (used with Rotary Vane Compressor only)

107223

Form 761, Page 14

Remote Pump Assembly and Fuel Line Components (prior toconnection to the heater) - Model RA/RAD only

Complete Remote Pump AssemblySize Altitude P/N140 0-3000 ft 107123235 0-3000 ft 107124350 0-3000 ft 130651500 0-3000 ft 157855

High Altitude Conversion Kits

Size Altitude P/N

235 3001-7000 ft 113154

235 >7000 ft 113155

350 3001-7000 ft 131808

270

271

279

275

287 (depending on date of manufacture; meteris either here or on the side of the pumpenclosure)

280

270278

273

272

274

287

Code Description RA/RAD110 140 235 350 500

270 Pump Enclosure 157909271 Pump Cover272 Divider (Electrical Compartment) 157908273 Motor Altitude 0-3000' 157907

Bracket Altitude 3000-7000' N/A 131632 N/AAltitude over 7000' N/A N/A 113503 N/A N/A

274 Gear Motor (P/N 131640 & 111854 are Grainger; Altitude 0-3000' 106946 116159 106945 129381 157044P/N 106945, 106946, 112707; 116159, & 129381 Altitude 3000-7000' N/A 106946 112707 131640 N/Aare Merkle-Korff; 157044 is Rex Engineering) Altitude over 7000' N/A N/A 111854 N/A N/A

274A Replacement Bearing Assembly for Merkle-Korff Gear Motors NA274B Replacement Capacitor for Gear Motor, GE 3MFD, 370VAC 174680275 Oil Pump, Suntec #A2RA-7710

275A Oil Pump Replacement Screen, Suntec #3715747275B Replacement Gasket for Pump, Suntec #3779801278 Flexible Coupling, 5/16", Beemer #5802279 In-line Relief Valve, Circle Seal#532B-2MP-50 St @ 50 PSIG

280A Pump Solenoid Valve (replaced by Code 280B on units mfgd beginning 7/99) 157046280B Check Valve, Valstop #H141, 1/4"

281 Fuel Filter, Lenz #CP-750-100

281A Replacement Cartridge for Fuel Filter

281B Replacement O Ring for Fuel Filter283 Vacuum Gauge, NoShok #GV-10 (replaces 126595)284 Inlet Manifold285 Foot Valve, 2/3" NPT, Valstop #60020286 Foot Valve Strainer, #2-1/2N 30 Sump Strainer287

N/A 157687

136864

176535

N/A

123451112042106947

107029

113440

149173

107032123450

107207107210

107208113440

119983, Redington #711-0109

Hour Meter, (On heaters manufactured beginning 1/96, the hour meter is on the remote pump enclosure; prior to 1/96, the hour meter was on the main electrical box - see page 17.)

Hardware for replacing 280A with 280B: (1) 1/4" to 1/8" reducer, P/N 126593; (1) 5/16" flat washer, P/N 1087; (1) 9/16" hole plug, P/N 82433

175263

96388

102294135080131792110320

Top View of Remote Pump Assembly with CoverRemoved

Remote Pump Assembly

Form 761, Page 15

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Code 275 - Pump

Pump

Code 275A -Replacement

Screen

Code 275B -Replacement Gasket

for Pump

Pump Coverand

Hardware

Code 281, Fuel Filter

Code 283 -VacuumGauge

Code 285 - Foot Valve

Code 284 - Inlet Manifold

Code 287 -Hour Meter

Code 286 -Foot Valve

Strainer

Form 761, Page 16

Electrical Boxes and Components - Models RA/RADCode Description RA/RAD Size 110/140/235/350 500

Location P/N P/N300 Main Electrical Control Box Burner End 104776 157137301 Electrical Box Fixed Cover of the Heater 104781 157968302 Electrical Box Hinged Cover 104780 157969303 Main Control Switch DPST 20A, Cutler Hammer Code 300 104840 RA - 158203

#7630K40 #7599K1339 Disconnect Switch Mounted on -- RAD - 158204340 Disconnect Switch Box the end of -- RAD - 158205341 Disconnect Switch Box Cover Code 300 -- RAD - 158206304 Pressure Switch (located behind fixed portion of box cover), Tridelta

#FS3440-893 - P/N 104841; Tridelta #FS3440-894 - P/N 104842Code 300

110 -104841 140/235/350-104842

104842

304A Dampening Orifice for Pressure Switch, 0.028", red - not required for rotary vane compressor; required for piston compressor

Code 304

305 Draft Boost Relay Kit (Same as Option DH1) includes relay, wiring, hardware, and instructions)

Code 300 110780 --

306 Draft Booster Relay only, RBM Relay, WR #134-50203-301 Code 300 103318 --307 Open/Closed Bushing, Heyco #OCB-562 Code 300308 Cable Clamp, 1/4", Heyco #3324 Code 300309 Dart Fastener, TRW #PC47307EVZ001 Code 300310 Ty-Rap, 6" long, T&B #TY-24M Code 300311 Terminal Block, 1-1/4" long Codes 300 & 315313 Terminal Block Marking Strip, 1-1/4" long Codes 300 & 315314 Wire and Cable Assembly (replaces cable with "Quick Disconnect") -

when replacing the quick connect with Code 314, order Codes 315 and 316 also

Runs from Code 300 to Code 315

175635175636 and

175637

315 Burner Junction Box 316 Burner Junction Box Cover317 Hole Plug, Heyco #DP-875 Code 315318 Internal Tooth Lockwasher, 7/8" Code 315319 Strain Relief, Heyco #SR-7W2 Code 315321 Blower/Fan Junction Box 2x4, T&B #58361-1/2 Rear of 322 Blower/Fan Junction Box Cover, Steel City #58C1 the Heater323 Strain Relief Heyco #SR-6N3-4 Code 321324 Strain Relief, 90o, Heyco #SR-20-1 Code 321325 Adapter, Heyco #7572 Code 321326 Fuse, MDL8 (CSA Models with Rotary Vane Compressor) Code 300 38636 --327 Fuse, (CSA Models with Piston Compressor) Code 300 121355-10MDA 90335 - MDL5328 Green indicator light (on heaters mfgd beginning 1/93), Industrial

Devices #105QC5Code 300

329 Ground Wire Assembly Code 300330 Post Purge Burner Relay, W/R 134-20203-301 Code 300 102385 157808-230V coil331 Fan Time Delay Relay, TI Model 60704A (discontinued as of 5/96) Code 300332 Connector Receptacle for Backflow Sensor Code 300333 Backflow Sensor Light - Red, Wesco 1050QC1IDI Code 300334 Backflow Sensor Limit, TOD #36TX46, 275oF On Viewport

Bracket (See Page 3)335 Backflow Sensor RBM Relay, Products Unltd #9400-04T280 Code 300336 Backflow Sensor Cable Assembly From Code 300 to

Sensor on Viewport337 Backflow Sensor Cable Bracket Rear of the Unit338 Contactor, Furnace #45CG20AF, 25 Amp, 125VCoil Code 300 -- 157955342 Transformer, Hevi-Duty SMT #T050, 50VA Rear of the Unit -- 157952

144435

144424147346

121275

102385

123460

122114

141673

144701

1780010039396449107165

174714

(2)110240(2)16835

17782

On the burner

121726

16452

98394529611017982091314497221831

174713

Form 761, Page 17

Code 300 - Main Electrical Box - Illustration shows a Size 350 (On Sizes 110, 140, 235 and 350, the main electricalbox is located on the rear right corner of the heater.)

Code 304 - PressureSwitch

Location of FanJunction Box(includes Codes321-325)

(Same asOptionDH1)

Code 305 - DraftBooster Relay Kit

Location of the hour meter(P/N 119983) on unitsmanufactured prior to 1/96.Beginning 1/96, the hourmeter is on the remote pumpenclosure (see page 14).

IgnitionController(See page 10)

Fan Junction Boxis mounted on a

bracket betweenthe two fan guard

assemblies.

RA/RAD500 - Main ElectricalBox is located on the frontright corner of the heater.

Model RA 110,140, and 235

ModelRA 500

Model RA 350

Requires two FanJunction Boxes(includes two eachof Codes 321-325)

Bracket,P/N157109

Code 321 - Fan Junction Box Locations

303

Field WiringCompartment

302 (Wiring Diagram is onthe inside of the door.)

301 333 328

Code 315 -BurnerJunctionBox

Code315 -BurnerJunctionBox

Code 330 andCode 335, Relay

Code 328,P/N 123460,Green Light

Code 333,P/N 147346,Red Light

Code 334,P/N 121275,Backflow SensorLimit

Form 761, Page 18

Fan and Limit Controls - Models RA/RAD 110/140/235

Fan and Limit Controls - Models RA/RAD 350

Codes351 and

352

Access Code 353 through thedischarge louvers

Access Codes 351 and352 by removing theouter access panel.The controls are"around the side" ofthe turning box end.(Illustration showingcontrols has thecabinet removed.)

Super HighLimit

Circulating Air High Limit

Fan/Blower Control

Remove the plate on therear of the heater toaccess the fan and limitcontrol assembly. Toensure future safeoperation of thesecontrols, it is necessaryto replace the completemounting plate with thethree controls attached.

Outer AccessPanel

Fan and Limit Controls - Models RA/RAD 500

Limit and fan/blower controls are sub-assembled on a mounting plate. Accessthe control assembly by removing thecover underneath the burner service tray.

Access the automatic limit con-trol through the louvers on theturning box end of the unit.Service Tray

Code Description P/N350 Fan and Limit Control Assembly includes fan/blower control, 123973

two limit controls and mounting plate (replaces 104837)

Code Description Location RA350 RAD350351 Fan/Blower Control #60T12 Turning Box End - service by removing outer access panel352 Limit Control #60TX21, 120°F Turning Box End - service by removing outer access panel 45534353 Limit Control #60TX21 Mounted on exhaust box; service through discharge louvers 45537 (210°F) 45602 (180°F)

146465 (replaces 123953)

Code Description Location RA500 RAD500355 Fan/Blower Control #60T12. 175°F

356 Limit Control #60TX21 45537 (210°F) 45538 (230°F)

357 Emergency Limit Control, TOD #36F26, 350°F

358 Automatic Limit Control #60TX21, 145°F Turning Box End - access through the louvers

157057

106845

120680

Under service tray - service by removing outer access cover

Form 761, Page 19

Miscellaneous - Models RA/RADCode 360 - Thermostat

• Single-stage, 24-volt• 40-80oF Range• Snap Action Contacts• 30 VAC Maximum• .15 to 1.0 Amps• Adjustable Anticipator• Vertical Mounting with Wall Mounting Plate• Dial "off" Switch

Code 370 - Vertical Louvers for Sizes 110/140/235

Vertical Louvers (Same as Option CD1)

Code 370A

Code 370A

Code 370B

Code 370C

Code 370C

Code370D

Code 370B

Code 370A

Code 370A

Code370B

Code 370C

Code 370 - Vertical Louvers for Size 350

Applications: All sizes of Models RA/RAD manufactured beginning 10/94

Package P/N 134477 for 1/2"hanger rods/bracketsincludes:

Qty Description P/N

4 Swivel Connector

Assembly 134476

4 1/2" Lock Washer 111306

Code 375 - Hanger Kits(Same as Option CD10)

Package P/N 98511 for 3/8"hanger rods/bracketsincludes:

Qty Description P/N

4 Swivel Connector

Assembly 17627

4 1/2" Lock Washer 5197

Applications: Models RA/RAD 110/140/235 manufactured prior to 10/94

NOTE: Models RA/RAD 350 manufactured prior to 10/94 have 7/16" hanger brackets. A swivel hanger kit is not available for Models RA/RAD350 with 7/16" hanger brackets.

Code Description P/N360 Thermostat, W/R #1C30-341 91919361 Touch-up Paint, 10 oz spray can 37919362 Cleaning Brush - for round tubes in Sizes 350 & 500 134569

Cleaning Rake - for oblong tubes in Sizes 110, 140 & 235 110565

Code Description RA/RAD110/140 235 350

370 Package P/N 121858 121859 144963Qty P/N Qty P/N Qty P/N

370A Top and Bottom Members 2 119859 2 119860Top Left/Bottom Right Members 2 144432Top Right/Bottom Left Members 2 144433

370B Vertical Louvers 10 95937 14 95937 16 95938370C Screws 20 11813 28 11813 34 11813370D Teks, #10-16 x 1/2" lg 4 37661 6 37661 14 37661

Form 761, Page 20

©2000 Thomas & Betts Corporation, All rights reserved. Printed in U.S.A.

1-(800) 695-1901

MANUFACTURER OF GAS, OIL, ELECTRIC HEATING AND VENTILATING SYSTEMS

8/00 YL Form RGM 761 (Version B.1)

400A(4)

400C(2)

400B (2)

400D(4)

Nut (4)

Set Screwand HexJam Nut(8 each)

Lock Washer (4)

Flat Washer (4)

Cap Screw 5/16-18x3/4" (4)

Cap Screw 1/2-13x3/4" withnut and washer(4 each)

Corner and Angle Stop Hardware for Heater Stand

Model OT-250 Bench-Type Fuel Tank

Code 400 HeaterStand - requiresfield assembly

Fuel Tank and Stand - Fuel tank is Reznor Model OT-250; the heater stand package is thesame as Option ST-1 for Model OT-250 fuel tankFuel tank may be used with any model or size of heater. Optional stand may only be used with the Reznor Model OT fuel tank and a Reznor ModelRA (fan models only) Sizes 110, 140, or 235.

Code Qty P/N Description400 119376 Heater Stand Package

Components400A 4 121589 Corner Posts, 1-1/2" square tubing, approximately 8' long400B 2 121590 Tube Bracket Assemblies, 2" square tubing400C 2 121591 Front and Rear Support Angles, 1-1/2" x 1-1/2" x 64" long400D 4 121592 Angle Stops, 1-1/2" x 1-1/2" x 1-5/16" long

8 121596 Hardware for Hex Head Cap Screws, 1/2-13 x 1-1/2" (set screw)8 122102 Codes 400 A & B Hex Jam Nuts, 1/2-13 (for set screws)

4 121593 Hardware for Hex Head Cap Screws 1/2-13 x 3/4" for attaching support angles4 121594 Code 400C Hex Head Nuts, 1/2-134 121595 Flat Washers, 1/2"

4 16247 Hex Head Cap Screw, 5/16 -18 x 3/4" (for attaching stops)4 6554 Hardware for Hex Head Nuts, 5/16-184 27761 Code 400D Flat Washers, 5/16"4 1333 Lock Washers, 5/16"

401 1 135789 Touch-up Paint for Tank (not part of package)