The Peerless® PUREFIRE® gas-fired condensing boiler is a high-efficiency boiler for residential and commercial applications and is available for either natural or LP gas. The direct vent, sealed combustion boiler has an ultra-high 97.3% efficiency and is ENERGY STAR® approved ! The PUREFIRE, now available in six sizes, has ASME and ETL certifications for both the U.S. and Canada and is the most thoroughly tested high efficiency boiler on the market! A unique condensate system with built-in neutralizer component and float switch protection is a top feature of the boiler.

Other great features include a high grade stainless steel burner and heat exchanger, 120 volt convenience outlet and LoNOx operation for the good of the environment. The PUREFIRE’s fully modulating burner assures dependable operation and maximum boiler efficiency. Zero clearance to combustibles, easy access to controls and leveling legs are other standard features that allow for ease of installation and maintenance. Boilers are easily converted from LP to natural gas and from natural gas to LP without any additional parts. The PUREFIRE is equipped with a full one-year parts and labor warranty.

• 97.3% AFUE


• Gas-Fired Condensing Boiler


• Fully Modulating Burner


• Factory Tested, Pre-Mixed Gas Burner Technology


• ASME and ETL Certified for U.S. and Canada


• Outdoor Reset Capability


• State of the Art Control Board


• Cascade Capable—up to 16 Boilers

Dimensions & Connection Sizes

Carton Dimensions & Shipping Weights

Catalog Literature - Peerless PureFire

Certificate of Product Performance - PureFire 50

FAB Sheet - Peerless PureFire

IO&M Manual - Peerless PureFire REV1

IO&M Manual - PureFire Conversion Kit Instructions

IO&M Manual - PureFire Gas Valve Replacement Instructions

IO&M Manual - PureFire Stainless Steel Vent Kit

Product Photo - Peerless PureFire

User's Manual - Peerless PureFire

Warranty Card - Peerless PureFire