Date: December 20, 1999 No. 137 Rev. 2Subject: Gas Water Heater Conversion PolicyTo: All Accounts* This supersede all previous letters and field bulletins concerning residential and commercial water heater conversion.

GAS WATER HEATER CONVERSION POLICY

All A.D. Smith Water Products Company's residential and commercial gas water heaters are designed certified by CSA or UL,under ANSI Standards for operation on one type of gas only, as indicated on the water heater's model number and ratingplate.

A.O. Smith realizes that there may be certain situations where a field conversion may be necessary and in order to facilitatesuch a conversion, A. O. Smith complies with CSA or UL regulations ensuring that a field conversion be appropriately andsafely completed.

An improper field conversion from one type of gas to another could cause potentially dangerous conditions that may cause anexplosion or fire resulting in property damage, bodily injury or both.

A.O. SMITH WILL ONLY ALLOW THE CONVERSION OF GAS WATER HEATERS FROM LP GAS (PROPANE) TONATURAL GAS. THE CONVERSION OF A GAS WATER HEATER FROM NATURAL GAS TO LP GAS (PROPANE) ISNOT ALLOWED UNDER ANY CIRCUMSTANCES.

A.D. Smith will provide kits as demand warrants through our Parts Department, phone no.1-800-433-2545. Prices, dimensions and specifications are subject to change without notice

Each conversion kit is to be installed by an A.D. Smith service agent or a gas utility serviceman in accordance withA.D. Smith's written instructions and all codes and requirements of the authority having jurisdiction. Failure to followinstructions could result in serious injury or property damage. The utility performing this work assumes responsibility forthis conversion.

Chanaina the InDut on Gas Water Heaters

The only changes to the input of a gas water heater allowed are:

Adjustments to match that shown on the rating plate of the heater. The installation instructions supplied with theheater indicate if adjustments to input are a required procedure.

Changes made as required to adjust the heater for proper operation at high altitude as determined by a qualifiedservice technician. Service manuals include the proper procedure for adjusting heaters at high altitudes.

Conversion of Gas Water Heaters

The conversion of LP gas (Propane) to Natural gas is ONLY allowed providing

The conversion is done as part of a gas utility's program where propane appliances were installed anticipating thecompletion of natural gas service to the area. The conversion must be done under the direct supervision of theutility and by their service representatives.

Claims of damage or injury arising from the unauthorized conversion of any A.a. Smith water heater not design certified forconversion will be the complete and total responsibility of the person or entity making the conversion.

If you have any questions regarding the above policy, please contact the A.D. Smith Parts Department at 1-800-433-2545 orour Technical Information Center at 1-800-527-1953.

A.D. SMITH WATER PRODUCTS CO., INC.5621 w. 115TH STREET. ALSIP, ILLINOIS 60803

PHONE: 1-800-433-2545FAX: 1-800-433-2515. www.hotwater.com

Printed in the U.S.A. 2574 04/00 No. 137 Rev. 2

PSD-1-280

&c @Jc ~~DvGiJ. WATER PRODUCTS

COMPANY RESIDENTIAL WATER HEATER PARTS LIST

MODELS FGR-30, 40, 50, 75, 100SERIES: 224/225

24 T&P VALVE EXTENDERFOR USE WITH PART NO 23740-1

(FGR-75 & 100 MODELS)

"'A~Y

I "A" DIMENSION

PART NO 42931 3 1/4"PART NO 42931-1 2"\r; j 1 5

3 I [J

2--4, ~

Part No. 23740-1II 150 Ibs. pressureII 3/4" x 3/4"

U 2100 temp. reliel

Type: Temperalure& Pressure

17

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' "

'") .~\ ..,--'~'-- ..

'..;...~::~';;;:-'= -

26

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a<j.i;.fI' ON FGR.30. 40 & 50 SMR Rgo MODELS ONLY

FLAMESPREADER'

PART NO181101

~

~ 12/"

28",r/ :?/t~K

I "~~~~~:..~'\.'~ )~~~~

MAIN BURNER ---~PART NO. IBI--1 -"'

~

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~DIRT LEG ~

Part No.181206Supplied on ...;

Propane GasModels Only

'

14

./13

A.O. SMITH WATER PRODUCTS CO., INC.5621 W. 115TH STREET. ALSIP, ILLINOIS 60803

PHONE: 1-800-433-2545 . FAX: 1-800-433-2515 . WWW.HOTWATER.COM September 1996PRINTED IN U.S.A.

RELIEF VALVE75 & 100 MODELS

~~29'-'-I

FGR-30224/225

43817-42

18158918136034894

181480-4181780180940

180940-1

181508-31181791-50

~181482-2181796-2

2333020172-14

FGR-40224/225

43817-38

FGR-50224/225

43817-42

18158918136034894

181480-8181780-2180940

180940-1

181508-31181791-50

~181482-5181796-5

2333020172-14

FGR-75224/225

180618-42

10089-1

FGR-100224/225

180618-50

160698-1

Item1

DescriptionAnode ... BAFFLE

Flue Baffle Hanger, Flue Baffle Restrictor, Flue Baffle BURNER ASSEMBLY, MAIN - Natural BURNER ASSEMBLY. MAIN - Propane Burner. Main - Natural Burner, Main - Propane Burner. Pilot - Natural Burner. Pilot - Propane Orifice, Main - Natural Orifice. Main - Propane Thermocouple Tube. Main Burner - Natural Tube. Main Burner - Propane Tube. Pilot Collar. Pipe DOOR

Outer Inner ... ... ... ... Draft Hood HEAT TRAP ("T" Models)

Inlet ... ... Outlet. LABEL

.Flammable Warning .Lighting & Operating .Scald Warning "Temperature "Manual. Instruction "Insert Sheet Nipple. Extension Nipple. Pipe Thermostat - Natural Thermostat - Propane Tube. Inlet Valve. Drain Valve, Relief SMA S44

Anode Heat Trap. Inlet Nipple. ... ... ... ... Sleeve. 0.84" Dia. Anode Tube, Inlet SMA H43

Heat Trap. Inlet Nipple.. T'lh" Inl,,'

2345

18158918136034894

181480-33181780-12

180940180940-1

34505180653-4

18178641157-141157

~160228-129366-23

181778-37

~190200-1181785

2333020172-6

34505180653-5181786-141157-241157-1

~160228-129366-19

181778-37

~190200-2

18178523330

20172-6

6

7

181508-31181791-50

~181482-10181796-10

2333020172-14

8

910

1112

180522180596181082

180522180596181082

180522180596181082

181068-35181235

181139182553181138182734182581181638

180193-4181775-321067-3742037-243151-2

29109-42181295-35

182380

39112-13992339072

39112-13992339072

131415

1617

181068-35181235

181139182553181138182734182581181638

180193-4181775-321067-3742037-243151-2

29109-42181295-35

182380

181068-35181235

181139182553181138182734182581181638

180193-4181775-321067-3742037-243151-2

29109-38181295-35

182380

181139182554181138182734182581

43231-143879m.3..6.

181775-441072-29

2627343151-2

29109-42

86979-5182380

41Q~1-?Q

181139182554181138182734182581

43231-141319

~~181775-440542-30

2627343151-2

29109-50

92706-3182380

41q~?-~n

18

19

20

21

22

23

24

25

26

27

28

29

1

18

28

33

181295-35 181295-35 181295-351828~~

86979-541~1?-?Q

92706-341~14-4n

181125-42181480-13180940-2

181508-3318180918255238469-41811011RnR?Q

181125-38181480-35180940-2

181508-3~18180"18255238469-41811011RnR?Q

181125-42181480-15180940-2

181508-3318180918255238469-41811011~n~'Q

1567

242528

~

Anode BURNER ASSEMBLY, MAIN - Natural Burner Head Assembly Orifice, Main - Natural Manual. Earthquake Instruction Insert Sheet Nipple.. ... ... ... Nox Flame Spreader Assembly - Natural WinnN,II

181125-38181480-34181508-32

181809182552~R4~A-4

161125-42161460-12161506-32

161609162552~R4"Q-4

181125-42181480-10181508-32

181809182552

~R4F;Q-4

1572425?R

182552

Anode.. ... ... ... BURNER ASSEMBLY. MAIN - Natural.

Orifice, Main - Natural Manual. Earthquake Instruction Insert Sheet Ninni..

182552

1 Anode , 43816-42 43816-38 43816-42 29109-42 29109-50SMA K32

1 Anode 43816-42 43816-38 43816-42 29109-42 29109-505 BURNER ASSEMBLY, MAIN - Natural 181480-10 181480-34 181480-12 180653-8 180653-97 Orifice, Main - Natural 181508-32 181508-32 181508-32 29366-26 29366-2111 Tube, Main Burner-Natural 181482-2 181482-10 181482-5 190200-5 190200-6

High Altitude Assembly 182573 182573 182573 182573 182573SMA S29 -

1 Anode 43816-42 43816-38 43816-42 Ninni" 38469-10 38469-10 38469-10

NOTE: Underlined parts are recommended stock items for emergency replacement. Consider gas used in your area only. Not illustrated.