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thermaforce

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Whole Home Heating Solution

From space heating to domestic hot water, it’s easier than ever to experience the comfort of whole home heating in a simple, reliable and super-high efficiency platform.

INNOVATIVE TECHNOLOGY
Patented labyrinth heat exchanger provides up to a 96% AFUE rating for boilers, up to 95% AFUE rating for combi boilers and up to .90 UEF for tankless
Earth-Friendly OPERATION
Improves air quality by reducing greenhouse gas NOx emissions by up to 75% for combi boilers and boilers1, and up to 65% for tankless for a cleaner environment2
WIRELESS CASCADING
Connect up to eight units to boost performance and save on costs and installation time (Wi-Fi not required)
Ultimate Serviceability
A total of four or five moving parts, unmatched in the industry, simplifies servicing

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2 in 1 Design for Space and Water Heating

Delivering both space heating and domestic hot water in a compact, sleek European design, the Rheem ThermaForce Super High Efficiency Condensing Combi Boiler makes it easy to heat your entire home and enjoy continuous hot water.

Patented Labyrinth Heat Exchanger

Aluminum block heat exchanger with integrated copper waterways ensures maximum heat transfer with minimal heat loss

Advanced Modulation and Redundancy

Enhances cascade system efficiency with multiple units operating at low fire versus one unit operating at high fire to satisfy demand

Reduces Carbon Footprint

Uses less energy compared to standard units

Improves Air Quality

Combi boilers reduce NOx emissions up to 75% compared to standard efficiency boilers1

Universal Shared Platform Parts

Make it easy to diagnose and service with common parts for all ThermaForce units

Unmatched Streamlined Design

A total of five moving parts, unmatched in the industry, simplifies servicing—fan, gas valve, damper, boiler pump and bypass valve

Illuminated Touchscreen Control Panel

Provides operational status, troubleshooting information and allows setting adjustments

Versatile Venting Options

Provides installation flexibility with moveable combustion air intake (left/right), ability to flex vent in existing B vent and 2″ inlet and exhaust with band connections

Easy Grip Connections

Extra-long pipe fittings with notched sides for easy gripping with a wrench

Built-In High Efficiency Variable Speed Boiler Pump

Uses less electricity than a standard pump

Outdoor Reset Technology

Adjusts the boiler supply temperature automatically based on outdoor temperature fluctuations

ENERGY STAR® Certified

Up to 96% AFUE and ASME-rated3 (excludes 160K model)

Saves Space and Money

With one appliance instead of two (boiler and water heater)

U.S. Market Exclusive – Condensing Combi-to-Combi Cascading

The only condensing combi that can be cascaded for both space heating and domestic hot water

Condensing Boilers Offer Efficient Space Heating

Making it easy to heat your entire home, the Rheem ThermaForce Super High Efficiency Condensing Boiler delivers hot water for hydronic heating applications like radiant floors, baseboards, air handlers and more. High performance and reliable temperature control mean you can relax in consistent comfort.

Patented Labyrinth Heat Exchanger

Aluminum block heat exchanger with integrated copper waterways ensures maximum heat transfer with minimal heat loss

Advanced Modulation and Redundancy

Enhances cascade system efficiency with multiple units operating at low fire versus one unit operating at high fire to satisfy demand

Reduces Carbon Footprint

Uses less energy compared to standard units

Improves Air Quality

Reduces NOx emissions up to 75% compared to standard efficiency boilers1

Universal Shared Platform Parts

Make it easy to diagnose and service with common parts for all ThermaForce units

Unmatched Streamlined Design

A total of four moving parts, unmatched in the industry, simplifies servicing—fan, gas valve, damper and boiler pump

Illuminated Touchscreen Control Panel

Provides operational status, troubleshooting information and allows setting adjustments

Versatile Venting Options

Provides installation flexibility with moveable combustion air intake (left/right), ability to flex vent in existing B vent and 2″ inlet and exhaust with band connections

Easy Grip Connections

Extra-long pipe fittings with notched sides for easy gripping with a wrench

Built-In High Efficiency Variable Speed Boiler Pump

Uses less electricity than a standard pump

Outdoor Reset Technology

Adjusts the boiler supply temperature automatically based on outdoor temperature fluctuations

ENERGY STAR® Certified

Up to 96% AFUE and ASME-rated3

Front View

Back View

Inside View

Install Example

Premium Performance Even in Hard Water Regions

Rheem ThermaForce Super High Efficiency Condensing Tankless Water Heaters provide energy efficiency and high performance in a compact European design. Plus, they’re made to stand up to extreme hard water applications6—so you can count on having continuous hot water when you need it.

Patented Labyrinth Heat Exchanger

Aluminum block heat exchanger with integrated copper waterways ensures maximum heat transfer with minimal heat loss

Advanced Modulation and Redundancy

Enhances cascade system efficiency with multiple units operating at low fire versus one unit operating at high fire to satisfy demand

Reduces Carbon Footprint

Uses up to 32% less energy than a standard 50-gallon tank water heater to minimize your impact on the environment7

Improves Air Quality

65% reduction in NOx emissions compared to standard gas tank2 for a cleaner environment

Universal Shared Platform Parts

Make it easy to diagnose and service with common parts for all ThermaForce units

Unmatched Streamlined Design

A total of four moving parts, unmatched in the industry, simplifies servicing—fan, gas valve, damper and bypass valve

Illuminated Touchscreen Control Panel

Provides operational status, troubleshooting information and allows setting adjustments

Versatile Venting Options

Provides installation flexibility with moveable combustion air intake (left/right), ability to flex vent in existing B vent and 2″ inlet and exhaust with band connections

Easy Grip Connections

Extra-long pipe fittings with notched sides for easy gripping with a wrench

Premium Performance in Extreme Hard Water Regions

Cast aluminum heat exchanger protects copper waterways and minimizes lime formation

Industry’s Most Comprehensive Warranty

Enjoy peace of mind with a 15-year heat exchanger (replace entire unit not just heat exchanger) and 5-year parts warranty8

Save Money

Saves up to 33% per year in energy costs over a standard 50-gallon gas residential tank water heater

Front View

Back View

Inside View

Install Example

Install Example

Did You Know?

The Rheem ThermaForce Combi Boiler is the only condensing combi boiler product that can be cascaded for both space heating and domestic hot water.4

A Whole Home Heating Solution

Make the most of your home comfort with the ThermaForce platform, designed to provide super-high efficiency condensing space heating and domestic hot water, saving you space and energy.


Learn more about easy homeowner financing options
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At Rheem, we focus on innovating with intent, engineering solutions with lifetime sustainability in mind—from material selection to smart features to responsible recycling.
View Sustainability

Enjoy High-Efficiency Space Heating, Water Heating or Both

Bring home the comfort and savings of the Rheem ThermaForce Platform.