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HomeProductsHomeownersWater HeatersTankless Water Heaters

Tankless Water Heaters

With a full line of Rheem® tankless water heaters to choose from, there’s sure to be one that’s the right fit for your family.
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Natural Gas
Propane Gas
CRTGH Series Super High Efficiency Condensing Tankless Gas Water Heater With Built-In Wi-Fi
6.6-9.5 GPM
  • .93 UEF Rated
  • Built-in EcoNet® Wi-Fi Technology
  • LeakGuard® Leak Detection and Prevention System
  • Indoor Model Only 
Professional Classic Series: RTEX-36
8-8 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • Flow Rate: up to 8.8 GPM
  • Bottom 3/4" NPT water connections
Natural Gas
Propane Gas
Professional Prestige Series: 9.5 GPM Indoor Tankless
9.5-9.5 GPM
  • Up to .93 UEF
  • Built-in Condensate Neutralizer

Natural Gas
Propane Gas
Rheem IKONIC™ SUPER HIGH EFFICIENCY CONDENSING TANKLESS GAS WATER HEATER
8.4-11.2 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
Rheem IKONIC™ SUPER HIGH EFFICIENCY CONDENSING TANKLESS GAS WATER HEATER WITH RECIRCULATING PUMP
8.4-11.2 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
Propane Gas
Rheem® ThermaForce™ Super High Efficiency Condensing Tankless Gas Water Heaters
10.1-10.1 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
Professional Classic Series: RTEX-24, RTEX-27
7-7 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM
  • 247W Model Flow Rate: up to 6.6 GPM
  • Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-24, RTEX-27
7-7 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM
  • 247W Model Flow Rate: up to 6.6 GPM
  • Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-18
7-7 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • Flow Rate: up to 4.4 GPM
  • Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-08, RTEX-11, RTEX-13
5-5 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 8kW Model Flow Rate: up to 1.95 GPM
  • 11kW Model Flow Rate: up to 2.68 GPM
  • 13kW Model Flow Rate: up to 3.17 GPM
  • Side 1/2" NPT water connections
Professional Classic Series: RTEX-08, RTEX-11, RTEX-13
5-5 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 8kW Model Flow Rate: up to 1.95 GPM
  • 11kW Model Flow Rate: up to 2.68 GPM
  • 13kW Model Flow Rate: up to 3.17 GPM
  • Side 1/2" NPT water connections
Professional Classic Series: RTEX-08, RTEX-11, RTEX-13
5-5 GPM
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 8kW Model Flow Rate: up to 1.95 GPM
  • 11kW Model Flow Rate: up to 2.68 GPM
  • 13kW Model Flow Rate: up to 3.17 GPM
  • Side 1/2" NPT water connections
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