Warranties 
Rebates 
Tax Credits 
Sustainability 
Careers 
Help 
Rheem IKONIC™ SUPER HIGH EFFICIENCY CONDENSING TANKLESS GAS WATER HEATER
MODEL RTGH-S10i
- 15 Year Heat Exchanger
- 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
- Field gas convertible from natural gas to LP- conversion kit included
Select GPM
8
GPM
10
GPM
11
GPM
Models
SKU RTGH-S10i
Warranty Years 15
Model Rheem IKONIC® (S Series) Super High Efficiency Condensing Tankless Gas Water Heater
GPM 10.1
Fuel Natural Gas
Depth 13.69"
Height 28.56"
Width 17.31"
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-start programming™ ensures the unit is in a ready state between back-to-back usage, avoiding any cold water bursts
- 15 Year Heat Exchanger
- 5-Year Parts | 1-Year Labor
More Residential Rheem Products
Find additional documentation by viewing these related products.
Natural Gas
Propane Gas
Performance Platinum® Super High Efficiency Condensing Tankless Gas Water Heaters With Built-in Wi-Fi9-9.5 GPM
- .93 UEF Rated
- Built-in EcoNet® Wi-Fi Technology
- LeakGuard® Leak Detection and Prevention System
- Indoor/Outdoor model (Outdoor conversion kit sold separately)
Natural Gas
Rheem IKONIC™ SUPER HIGH EFFICIENCY CONDENSING TANKLESS GAS WATER HEATER WITH RECIRCULATING PUMP8.4-11.2 GPM
- .96 UEF – ENERGY STAR® Rated
- Save up to 33% per year in energy costs
- Qualified for local utility rebates
- Built-in WiFi
Natural Gas
Rheem Performance Platinum® IKONIC® (S Series) Super High Efficiency Condensing Tankless Gas Water Heaters8.4-8.4 GPM
- .96 UEF and ENERGY STAR® certified
- Save up to 36% in energy costs per year
- Rheem Exclusive! Hot Start Programming™ eliminates cold water bursts for continuous hot water
- Rheem Exclusive! Overheat Film Wrap shuts down the system if overheating occurs
- Industry Best! 1/2" side to side clearance
- Industry's most comprehensive 15-year heat exchanger warranty
Natural Gas
Rheem Performance Platinum® IKONIC® (S Series) Super High Efficiency Condensing Tankless Gas Water Heaters with Wi-Fi10.1-11.2 GPM
- .96 UEF and ENERGY STAR® certified
- Save up to 36% in energy costs per year
- Rheem Exclusive! Hot Start Programming™ eliminates cold water bursts for continuous hot water
- Rheem Exclusive! Overheat Film Wrap shuts down the system if overheating occurs
- Industry Best! 1/2" side to side clearance
- Built-in EcoNet® wi-fi
- Industry's most comprehensive 15-year heat exchanger warranty
