Product BrochureResidential Water Heaters | Condensing Tankless Series

Water | Residential Gas | Condensing Tankless Water HeatersINTEGRATED HOME COMFORT

C NDENSINGTANKLESS

The Next Level of Tankless: Prestige™ high efficiency condensing tankless gas water heaters•Upto94%energyefficientandexceeds

EnERgy STaR® requirements

•IndoordirectventwithPVCpipingand outdoor models

•RTGH-95series–11,000-199,900Btu/h for3bathroomhomes

• COMING SOON!RTGH-90series–11,000-180,000Btu/hfor2-3bathroomhomes

•RTGH-84series–11,000-157,000Btu/h for2-3bathroomhomes

myrheem.com/proclub

5ProClub

POINTS

Efficiency•Upto.94EFwithstainlesssteel

condensingheatexchanger

•Intelligentelectroniccontrolsdesignedtoincreaseenergyefficiencyandsafety

•Third-partyefficiencylistedbyAHRI

Performance•IndustryFirst!0.26GPMminimum

flowrate,0.40GPMminimumactivationflowrate

•SCAQMD1146.2compliant

•RTGH-95for3bathroomhomes*– 9.5gal./min.at35°Frisemax., 8.4gal./min.at45°Frise

• COMING SOON! RTGH-90for2-3bathroomhomes*–9.0gal./min.at35°Frisemax.,7.5gal./min.at45°Frise

•RTGH-84for2-3bathroomhomes*– 8.4gal./min.at35°Frisemax., 6.6gal./min.at45°Frise

Compact Size•Compactspacesavingdesign–

aboutthesizeofamedicinecabinet

Self-Diagnostic System•Self-diagnosticsystemforeasy

installationandservice

•Digitaldisplayshowstemperaturesettingandmaintenancecodes

High Altitude Compliant•High-altitudecapability–upto

9,840ft.elevationabovesealevel

Technology•Two-pipedirectvent

systemdesignedfor PVCpipe,see instructionsfordetails

•Hotstartprogramminghelps minimizefluctuationinwatertemperature,referredtoasthe“coldwatersandwich”effect,duringperiodsoffrequenton/offoperation

•Built-inelectricblower

•Exclusive!Guardianoverheatfilmwrap(OFW)

•EZ-Linkcableavailableforhigherdemandapplicationstoconnecttwotankless units to operateasone

•Manifolduptosixunitswithanoptional MIC-6manifoldcontrolboard

•Manifoldupto20unitswiththeoptionalMIC-185plustheMICS-180manifoldcontrolassembly

Plus…•Upto38ft.of3”PVCPipeor5ft.

of2”PVCPipe,seeinstructionsfordetails

•Digitalremotecontroland10ft.ofthermostatwireincluded

•Suppliedwitha120voltpowercord(indoormodelsonly)

•Freezeprotectionto-30°F

•EZ-Spec™SizingSoftware–advancedonlinetoolthattakestheguessworkoutofsizingtanklessapplications–availableatwww.rheem.com/tankless

Warranty•12-YearResidential,5-year

Commercialonheatexchanger, 5-yearonpartsand1-yearonlabor

See Warranty Certificate for complete information

Rheem Prestige™ Condensing Tankless offers an unbeatable combination of ultra-high efficiency and continuous hot water

Residential Water Heaters | Condensing Tankless SeriesINTEGRATED HOME COMFORT

Commercial ApplicationsThePrestige Condensing Tankless Seriescanbeupgradedforhigh-temperaturecommercialuse•Temperaturerangeis85°Fto185°F

RTGH-95 Upgrade KitsRTG20240AforRTGH-95DVLNRTG20240BforRTGH-95DVLPRTG20240CforRTGH-95XLNRTG20240DforRTGH-95XLP

COMING SOON!RTGH-90 Upgrade KitsRTG20244AforRTGH-90DVLNRTG20244BforRTGH-90DVLPRTG20244CforRTGH-90XLNRTG20244DforRTGH-90XLP

RTGH-84 Upgrade KitsRTG20241AforRTGH-84DVLNRTG20241BforRTGH-84DVLPRTG20241CforRTGH-84XLNRTG20241DforRTGH-84XLPNote:Theseupgradekitsarenotcompatiblewithpreviousmodels.SeetheTanklessPartsCatalog foracompletelisting.

*Basedonsimultaneousshowersusing2.5 gallonsperminute.Flowratesvarydepending ontemperatureofcoldwatersupply.

RheemusessophisticatedcondensingtechnologytocreatethemostefficientwholehometanklesswaterheatingsolutionavailablefromRheem.Thepopularityofluxurybathroomsandoversizetubs isgrowing,andsoisthedemandforlargevolumesoflow-costhotwater.Rheem’sPrestige™tanklessdesignoffersunparalleledconvenienceandlow-costoperation.

Outdoor

Indoor Direct Vent

UPTO

.94EnERgyFACTOR

Rheem.com866.720.2076

Air Intake(PVC Venting)

Exhaust(PVC Venting)

1

2

3

5 4

6

7

8 910

CondensateNeutralizerDischarge

Outlet

3/4" HotWaterOutlet

ExternalConnectionfor Remote

Control Cable

3/4" ColdWaterInlet

3/4" GasConnection

1

2

3

5 4

6

7

8 910

CondensateNeutralizerDischarge

Outlet

3/4" HotWaterOutlet

ExternalConnectionfor Remote

Control Cable

3/4" ColdWaterInlet

3/4" GasConnection

Venting Options and Installations

Superior Construction and Reliability

Indoor Direct VentStainlessSteelSecondaryHeatExchanger

All-CopperPrimaryHeatExchanger

OverHeatFilmWrap

ElectronicSparkIgnition

199,900Btu/h ModulatingBurner

ElectronicControlBoard

CondensateReservoir

VariableSpeedFan

WaterFlowControlSystem

ModulatingGasValve

1

2

3

4

5

8

9

10

7

6

OutdoorStainlessSteelSecondaryHeatExchanger

All-CopperPrimaryHeatExchanger

OverHeatFilmWrap

ElectronicSparkIgnition

199,900Btu/h ModulatingBurner

ElectronicControlBoard

CondensateReservoir

VariableSpeedFan

WaterFlowControlSystem

ModulatingGasValve

1

2

3

4

5

8

9

10

7

6

PVC Vent System

Outdoor

Allindoortanklessunitsmustbeventedverticallyorhorizontallytotheoutdoorsusingmanufacturerapprovedventingmaterial.Seetheinstallationinstructionsforeachspecificmodel.(ULCS636PipemustbeusedforCanada.)

Ventingdetails,includingclearancesanddiagramscanbefoundinthe“Use&CareManual”ofRheemindoortanklesswaterheaters.

Water

Commercial Gas Prestige Tankless Water Heaters

INTEGRATED HOME COMFORT

Rheem.comPRINTEDINU.S.A.01/14WPFORMNO.TK-901CRev.8

Rheem Water Heating • 101 Bell Road Montgomery, Alabama 36117-4305 • 1.800.621.5622

Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1 Brampton, Ontario L6Y 0P5 • 1.800.268.6966

In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.

Indoor Direct Vent

27 1/2”

18 1/2” 9 3/4”

5 1/2” 6 1/4”

2 1/2”3 1/4”4 1/4”

7 1/2”6 3/4”

3 1/2”2 3/4”

2 3/4”

Outdoor

18 1/2”9 3/4”

27 1/2”

2 1/2” 2 3/4”3 1/4”4 1/4”

7 1/2”6 3/4”

3 1/2”2 3/4”

LEED Points = 2

Rheem Prestige™ Specifications DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO. GAS MIN. FLOW/ GPM @ GPM @ SHIP. EST. YEARLY MODEL INPUT TEMP. ACTIVATION 77° RISE 45° RISE MAX.

CONNECTION VENT WEIGHT ENERGY RECOVERY ENERGY COST

NUMBER BTU/H TYPE RANGE GPM MAX. MAX. GPM WATER GAS HEIGHT WIDTH DEPTH DIAM. (LBS.) FACTOR EFFICIENCY NAT/LP

Rheem Prestige™ RTGH-95 for 3 Bathroom Homes RTGH-95DVLN 11,000- Indoor 85°to 0.26/.040 4.9 8.4 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 2”or3” 82 .94 94% $174/421 199,900 DirectVent 140°F PVC2-Pipe

RTGH-95XLN 11,000- Outdoor 85°to 0.26/.040 4.9 8.4 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .94 94% $174/421 199,900 140°F

COMING SOON! Rheem Prestige™ RTGH-90 for 2-3 Bathroom Homes RTGH-90DVLN 11,000- Indoor 85°to 0.26/.040 4.4 7.5 9 3/4 3/4 27-1/2 18-1/2 9-3/4 2”or3” 82 .93 93% $176/425 180,000 DirectVent 140°F PVC2-Pipe

RTGH-90XLN 11,000- Outdoor 85°to 0.26/.040 4.4 7.5 9 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .93 93% $176/425 180,000 140°F

Rheem Prestige™ RTGH-84 for 2-3 Bathroom Homes RTGH-84DVLN 11,000- Indoor 85°to 0.26/.040 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 2”or3” 82 .92 92% $178/430 157,000 DirectVent 140°F PVC2-Pipe

RTGH-84XLN 11,000- Outdoor 85°to 0.26/.040 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .92 92% $178/430 157,000 140°F

Energy Factor and Estimated Yearly Energy Costs based on 2013 D.O.E. (Department of Energy) test procedures. D.O.E. national average fuel rate natural gas $1.09/therm; LP $2.41/gallon.

All models are available in Natural Gas and Propane (LP). For Propane replace the N with P when ordering.

• SCAQMD 1146.2 compliant.

• Factory set maximum temperature is 120° F. See Use and Care Manual for setting.

• Consult factory for information on sizing the application.

• Add a "C" to the model number when ordering Canadian models. Outdoor models are only for seasonal use in Canada. Please contact Rheem Canada Ltd. for details.

Vent Termination Kits are required for Direct Vent models. Contact your distributor for details.

Proper gas pressure must be ensured to supply tankless gas water heaters – up to 199,900 Btu/h for RTGH-95, up to 180,000 Btu/h for RTGH-90 models, up to 157,000 Btu/h for RTGH-84 models. (Consult your gas supplier)

Temperature Rise (° F)

Model Number 35° 45° 50° 60° 70° 77° 80° 90° 100°

RTGH-95WaterFlow(GPM) 9.5 8.4 7.6 6.3 5.4 4.9 4.7 4.2 3.8

RTGH-90WaterFlow(GPM) 9.0 7.5 6.8 5.6 4.8 4.4 4.2 3.8 3.4

RTGH-84WaterFlow(GPM) 8.4 6.6 6.0 5.0 4.3 3.9 3.7 3.3 3.0

Above estimates are for sizing purposes only.

0

1

2

3

4

5

6

7

8

9

10

10 20 35 45 50 60 70 77 80 90 100 120 140

H95 Max FlowH90 Max Flow

H84 Max Flow

Water Heater Flow Rate Curves

Delta-T

GPM

Maximum Maximum Length Length Number of 2" of 3" of 90° Straight Straight Elbows Pipe Pipe 0or1 5.0ft. 38.0ft. (1.5m) (11.6m) 2 3.5ft. 36.5ft. (1.0m) (11.1m) 3 2.0ft. 35.0ft. (0.6m) (10.6m) 4 Not 33.5ft. Available (10.2m) 5 Not 32.0ft. Available (9.8m) 6 Not 30.5ft. Available (9.3m)

Maximum Vent Length (intake/outlet):

(ULCs636 pipe must be usedfor Canada.)