Save gas, save space and save money

You’ll enjoy warm, consistent comfort and lasting reliability from this ultra-compact, ultra-versatile, modulating hot water boiler.

Standard Features

• Up to 95% AFUE*Annual Fuel Utilization Efficiency. Indicated as a percentage, your furnace’s AFUE tells you how much energy is being converted to heat. For example, an AFUE of 90 means that 90% of the fuel is being used to warm your home, while the other 10% escapes as exhaust with the combustion gases.
• Gas valve with 5:1 turn-down ratio
• Built-In boiler circulator pump
• Built-In Primary/Secondary Piping
• Built-In Low Water Cut Off
• Outdoor Temperature sensor Included
• Gas-fired, hot-water output
• Stainless Steel heat exchanger
• Intermittent direct spark to pilot ignition
• Integrated multiple boiler
• Control capability for up to 16 boilers
• 10-year parts limited warranty¹
• 15-year heat exchanger limited warranty

¹ To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years on parts if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for details.