Warranties 
Rebate Center 
Sustainability 
Help 
Rheem IKONIC™ Super High Efficiency Condensing Tankless Gas Water Heater with Recirculating Pump
MODEL CRTGH-SR
- 15 Year Heat Exchanger - (w/ registration)
- 12 Year Heat Exchanger - (w/o registration)
- 5-Year Parts | 1-Year Labor
- .96 UEF – ENERGY STAR® Rated
- Save up to 33% per year in energy costs
- Qualified for local utility rebates
- Built-in WiFi
Select GPM
8
GPM
10
GPM
11
GPM
Models
SKU CRTGH-SR
Warranty Years 15
Model Rheem IKONIC™ SUPER HIGH EFFICIENCY CONDENSING TANKLESS GAS WATER HEATER WITH RECIRCULATING PUMP
GPM 10
Fuel Natural Gas,Propane Gas
WiFi Connectivity Yes
UEF 0.96
High Efficiency Yes
Energy Star Rated Yes
LowNox Yes
Easy Installation
- PVC Vent runs up to 70' (2"), 150' (3")
- Easy set up with full text digital display and no dip-switches
- Field gas convertible from natural gas to LP- conversion kit included
- Allows flex venting through existing B-vent up to 50'
- 1/2" Gas line compatibility (subject to local code)
- Approved for installations in ManufacturedHome (Mobile Home) environments
- Stainless steel Primary and Secondary heat exchangers provide increased efficiency and durability
- Hot-startprogramming™ ensures the unit is in a ready state between back-to-back usage, avoiding any cold water bursts
- Built-in EcoNet® wifi capability for direct control from your device (optional for S models)
- 15 Year Heat Exchanger - (w/ registration)
- 12 Year Heat Exchanger - (w/o registration)
- 5-Year Parts | 1-Year Labor
More Residential Rheem Products
Find additional documentation by viewing these related products.
Natural Gas
Propane Gas
CRTGH Series Super High Efficiency Condensing Tankless Gas Water Heater with Built-In Wi-Fi6.6-9.5 GPM
- .93 UEF Rated
- Built-in EcoNet® Wi-Fi Technology
- LeakGuard® Leak Detection and Prevention System
- Indoor Model Only
Natural Gas
Propane Gas
Rheem IKONIC™ Super High Efficiency Condensing Tankless Gas Water Heater8.4-11.2 GPM
- .96 UEF – ENERGY STAR® Rated
- Save up to 33% per year in energy costs
- Qualified for local utility rebates
- Field gas convertible from natural gas to LP- conversion kit included
Natural Gas
Propane Gas
Professional Prestige Series: 9.5 GPM Indoor Tankless9.5-9.5 GPM
- High Efficiency Tankless with EcoNet® Smart Home Technology
- Up to .93 UEF - US
- Up to .96 EF - Canada
- Built-in Condensate Neutralizer
Natural Gas
Propane Gas
Rheem® ThermaForce™ Super High Efficiency Condensing Tankless Gas Water Heaters10.1-10.1 GPM
- Up to .90 UEF
- Save up to 32% annually in energy costs
- Only 4 moving parts - Damper, Fan, Gas Valve, Mixing Valve
- Built-in Illuminated Touchscreen Control Panel
