Specs and Docs

High-Efficiency

FT Series Floor Boiler

Taking Condensing Off-the-Wall

Built-in Low Loss Header
Built-in Low Loss Header
Integral low loss header hydraulically separates the boiler loop from the home's heating loop. Simple connection to the system's supply and return and the boiler piping is complete!
10:1 Turndown
10:1 Turndown
Boiler and combi units modulate seamlessly from 100% to 10% of input during heat demand with full input during domestic demand.  This means energy and fuel savings!
Radiant Heat Waves
Cascade Up to 20 Units
The perfect solution for larger homes, small to mid-size multi-family applications, and light commercial jobs, as up to 20 boilers of the same model can be combined together.
Ultra High Efficiency
Ultra High Efficiency
Environmentally friendly ultra high 95% AFUE efficiency
Multiple Venting Options
Multiple Venting Options
PVC, CPVC, Polypropylene and Stainless Steel
Two-pipe or two-pipe to concentric venting
All Piping Connections Located on Top
All Piping Connections Located on Top
Uniquely designed for the replacement market with 100% of connections on the top of the unit - including domestic recirc
An easy retrofit for all boilers - even older cast iron units!
Contractor & Installation Friendly
Contractor & Installation Friendly
  • Quick set-up control functions
  • Built-in low loss header
  • Easy front access - securely hinged panel requires no screws
  • Left side panels (3) for additional access
  • Multiple vent configuration options - bazooka or separate
  • Thermostatic mixing valve included with EVERY combi unit
Picture of FT Series Floor Boiler

FT Series Heat Only

Heat and Hot Water for Everyone

The FT Series boiler's advanced fire tube heat exchanger uses the latest technology in fire tube construction with a corrosion-resistant stainless steel dsign, resulting in quick heating response, ultra high efficiency & years of reliable service.  At 38" tall this powerhouse can manage today's heating & hot water needs.

Top connections make this unit an easy retrofit!  Pair it with a Laars-Stor Stainless Steel Indirect Water Heater and this high efficiency pair can serve your baseboards, radiant, cast iron radiators - you name it. Stay warm and start saving today!