c ndensing - heatmichigan.com
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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
• RTGH-90series–11,000-180,000Btu/h for2-3bathroomhomes
•RTGH-84series–11,000-157,000Btu/h for2-3bathroomhomes
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
• 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•Compactspace-savingdesign–
aboutthesizeofamedicinecabinet
Self-Diagnostic System•Self-diagnosticsystemforeasy
installationandservice
•Digitaldisplayshowstemperaturesettingandmaintenancecodes
High-Altitude Compliant•High-altitudecapability–upto
9,840ft.elevationabovesealevel
Technology•Two-pipedirectvent
systemdesignedfor PVCpipe.See instructionsfordetails
•Hot-startprogramminghelps minimizefluctuationinwatertemperature,referredtoasthe“coldwatersandwich”effect,duringperiodsoffrequenton/offoperation
•Built-inelectricblower
•Exclusive!GuardianOFW™overheatfilmwrap
•EZ-Link™cableavailableforhigherdemandapplicationstoconnecttwotankless units to operateasone
•Manifolduptosixunitswithanoptional MIC-6manifoldcontrolboard
•Manifoldupto20unitswiththeoptionalMIC-185plustheMICS-180manifoldcontrolassembly
Plus…•Upto38ft.of3”PVCPipeor5ft.
of2”PVCPipe.Seeinstructionsfordetails
•Digitalremotecontroland10ft.ofthermostatwireincluded
•Suppliedwitha120-voltpowercord(indoormodelsonly)
•Freezeprotectionto-30°F
•EZ-Spec™SizingSoftware–advancedonlinetoolthattakestheguessworkoutofsizingtanklessapplications–availableatwww.rheem.com/tankless
Warranty•12-Yearheatexchanger–residential,
5-yearheatexchanger–commercial, 5-yearpartsand1-yearlabor
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
RTGH-90 Upgrade KitsRTG20244AforRTGH-90DVLNRTG20244BforRTGH-90DVLPRTG20244CforRTGH-90XLNRTG20244DforRTGH-90XLP
RTGH-84 Upgrade KitsRTG20241AforRTGH-84DVLNRTG20241BforRTGH-84DVLPRTG20241CforRTGH-84XLNRTG20241DforRTGH-84XLPNote:Theseupgradekitsarenotcompatiblewithpreviousmodels.SeethelatestTanklessPartsandAccessoriesCatalogforacompletelisting.
*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)
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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.04/15WPFORMNO.TK-901CRev.9
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 0.26/0.40 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 0.26/0.40 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
Rheem Prestige™ RTGH-90 for 2-3 Bathroom Homes RTGH-90DVLN 11,000- Indoor 85°to 0.26/0.40 4.4 7.5 9.0 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 0.26/0.40 4.4 7.5 9.0 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 0.26/0.40 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 0.26/0.40 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):
(ULC-S636 pipe must be usedfor Canada.)