WHOLE HOME HEATING SOLUTIONS
DOMESTIC HOT WATER & HYDRONIC SPACE HEATING
The two Ruud® state-of-the-art boiler platforms offer unmatched home comfort and efficiency. From cutting-edge technology to cost-effective comfort, both the Ruud® FT™ Series and Ruud® L-Series combi boilers and boilers offer perfect solutions for your home. Explore our boilers today.
STATE-OF-THE-ART
TECHNOLOGY
A fire tube heat exchanger (FT Series) and a patented labyrinth heat exchanger (L-Series) deliver up to 96%
AFUE for exceptional energy efficiency
HIGH-EFFICIENCY
OPERATION
Enhances air quality by reducing greenhouse gas NOx emissions by up to 75% compared to standard boilers
WIRELESS CASCADING
Connect up to four units (FT Series) or eight units (L-Series) for enhanced performance, cost savings and
faster installation—no Wi-Fi required
Ultimate Serviceability
With just two to four moving parts on FT Series and four to five on L-Series units, servicing is faster and
easier
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FT Series
2-in-1 design for space and water heating, plus 4-zone control
Expertly engineered to meet all your home heating and domestic hot water needs, the Ruud FT Series High Efficiency Condensing Combi Boiler (coming soon) uses state-of-the-art technology available to deliver the best in performance, efficiency and value.Intuitive touchscreen display
Easy setup & maintenance – Enjoy simplified setup, calibration, diagnostics, maintenance and troubleshooting on the intuitive touchscreen display
System monitoring – Access real-time operational data
4-zone control – Manage four-zone pumps with ability to assign heating loads to each zone
Boiler pump control – Allows easy scheduling of the pre-installed boiler pump
Color-coded alerts – Shows quick visual status notifications on the touchscreen display
Historical data logs – Access past performance insights on the touchscreen display
USB port – Easy connection to computer and web-based portal for fast software installs and error log downloads
Cascade capability – Control up to four boilers seamlessly on the touchscreen display
System monitoring – Access real-time operational data
4-zone control – Manage four-zone pumps with ability to assign heating loads to each zone
Boiler pump control – Allows easy scheduling of the pre-installed boiler pump
Color-coded alerts – Shows quick visual status notifications on the touchscreen display
Historical data logs – Access past performance insights on the touchscreen display
USB port – Easy connection to computer and web-based portal for fast software installs and error log downloads
Cascade capability – Control up to four boilers seamlessly on the touchscreen display
Pre-installed boiler pump
Reduces install time and costs
Stainless steel plate firetube heat exchanger
Ensures superior heat transfer, corrosion resistance and durability
Combi block
Manages both space heating and domestic hot water production in one compact unit
4 universal shared platform parts
Makes it easy to diagnose and service with common parts
Reliable temperature control
Best-in-class turn down ratio keeps outlet water temperature close to set point
Moisture-free Zone (MFZ) technology
Sealed control compartment protects components from corrosion
Outdoor reset technology
Automatically adjusts space heating set point with outdoor conditions
Versatile venting options
PVC / CPVC / PP approved with vent lengths up to 50′ with 2″ and 170′ with 3″
ENERGY STAR® certified
Up to 95% AFUE
Reduces carbon footprint
Uses less energy compared to standard unitss
ENERGY STAR® Certified
Up to 96% AFUE and ASME-rated3 (excludes 160K model)
Saves space & money
One appliance instead of two (boiler and water heater)
Condensing gas boiler delivers performance, efficiency & intuitive control
The Ruud FT Series High-Efficiency Condensing Gas Boiler offers reliable home heating and continuous hot water in a compact design. It’s perfect for residential applications like primary space heating, radiant floor systems, baseboard heating and snow melt systems. The FT Series boiler can easily be paired with an indirect tank for domestic hot water.Intuitive touchscreen display
Easy setup & maintenance – Enjoy simplified setup, calibration, diagnostics, maintenance and troubleshooting on the intuitive touchscreen display
System monitoring – Access real-time operational data
4-zone control – Manage four-zone pumps with ability to assign heating loads to each zone
Boiler pump control – Allows easy scheduling of the pre-installed boiler pump
Color-coded alerts – Shows quick visual status notifications on the touchscreen display
Historical data logs – Access past performance insights on the touchscreen display
USB port – Easy connection to computer and web-based portal for fast software installs and error log downloads
Cascade capability – Control up to four boilers seamlessly on the touchscreen display
System monitoring – Access real-time operational data
4-zone control – Manage four-zone pumps with ability to assign heating loads to each zone
Boiler pump control – Allows easy scheduling of the pre-installed boiler pump
Color-coded alerts – Shows quick visual status notifications on the touchscreen display
Historical data logs – Access past performance insights on the touchscreen display
USB port – Easy connection to computer and web-based portal for fast software installs and error log downloads
Cascade capability – Control up to four boilers seamlessly on the touchscreen display
Stainless steel plate firetube heat exchanger
Ensures superior heat transfer, corrosion resistance and durability
2 universal shared platform parts
Makes it easy to diagnose and service with common parts
6:5:1 turndown ratio
Best-in-class turn down ratio keeps outlet water temperature close to set point
Moisture-free Zone (MFZ) technology
Sealed control compartment protects components from corrosion
Outdoor reset technology
Automatically adjusts space heating set point with outdoor conditions
Versatile venting options
PVC / CPVC / PP approved with vent lengths up to 50′ with 2″ and 170′ with 3″; Plus, fuel conversion kits are included with the boiler
Connects to an indirect tank
Boiler provides high-efficiency domestic hot water when paired with indirect tank
ENERGY STAR® certified
Up to 95% AFUE
Reduces carbon footprint
Uses less energy compared to standard units
Combi boiler front-facing
Combi boiler right-facing
Combi boiler left-facing
Boiler front-facing
Boiler right-facing
Boiler left-facing
Combi Boiler Brochure2 IN 1 DESIGN FOR SPACE AND WATER HEATING
Delivering both space heating and domestic hot water in a compact, sleek European design, the Ruud® L-Series 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
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 Ruud L-Series units
Unmatched Streamlined Design
A total of four moving parts —fan, gas valve, damper and boiler pump —is unmatched in the
industry for simplified servicing
Illuminated Touchscreen Control Panel
Provides operational status, troubleshooting information and allows setting adjustments
Versatile Venting Options
Provides installation flexibility with movable 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
Condensing Boilers Offer Efficient Space Heating
Making it easy to heat your entire home, the Ruud L-Series 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 Ruud L-Series units
Unmatched Streamlined Design
A total of four moving parts —fan, gas valve, damper and boiler pump —is unmatched in the
industry for simplified servicing
Illuminated Touchscreen Control Panel
Provides operational status, troubleshooting information and allows setting adjustments
Versatile Venting Options
Provides installation flexibility with movable 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
Introducing Ruud L-Series Video
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Install Example
Did You Know?
The Ruud FT Series boilers and combi boilers are both eligible for federal tax credits, making it even easier for you to save.
A Whole Home Heating Solution
Make the most of your home comfort with the Ruud L-Series platform, designed to provide super-high efficiency condensing space heating and domestic hot water, saving you space and energy.
We focus on innovating with intent, engineering solutions with lifetime sustainability in mind —from material selection to smart features to responsibile recycling.
View SustainabilityEnjoy High-efficiency Space Heating, Water Heating or Both
Bring home the comfort and savings of the Ruud L-Series Platform.
Find a Pro1Based on comparison of Ruud FT Series and L-Series combi and boiler against a minimum efficiency boiler with like fuel type. 2Based on comparison of Ruud L-Series tankless against a standard residential 50-gallon tank type model with like fuel type not to exceed 75,000 BTU. 3Based on comparison of Ruud FT Series or L-Series combi or boiler against minimum efficiency heater. 4Based on comparison of similar models from leading competitors in the North American market. 5Eligibility varies; contact your state or local government to determine availability in your area. 6Claim based on hard water condition testing, up to 400ppm (23 gpg); Routine maintenance required. 7Based on reduction in energy usage of Ruud L-Series tankless with a 0.90 UEF compared to a standard residential 50-gallon tank type model with a 0.61 UEF; Assumes like fuel type, not to exceed 75,000 BTU. 8Based on comparison of Ruud L-Series tankless model against similar models from leading tankless competitors. 9Based on results of hard water condition testing performed on Ruud L-Series tankless and five leading competitor units at standard temperature and pressure; Routine maintenance required; Life defined as the 15-year length of the provided limited warranty.
