The Peak gas-fired, combination boiler is a 95% efficient condensing heating boiler that also offers domestic hot water production. Available for natural or LP gas, the Combi boiler is ENERGY STAR® certified and provides up to 4 GPM of domestic hot water production. The direct vent boiler utilizes 2" or 3" piping in a variety of materials including PVC, CPVC, Polypro and AL294C and is environmentally friendly with LoNox and low CO2 Emissions. 

Other boiler features include an isothermic and stainless steel heat exchanger, an easy-to-follow control menu for set-up and service and 10:1 turndown.

Peak boilers includes a one-year parts warranty and 12-year heat exchanger warranty*. 

*See written warranty for specific details. 

Standard Features

• 95% Efficient – ENERGY STAR® Certified! 
• Available for Natural or LP Gas
• Providing up to 4 GPM of Domestic Hot Water 
• Up to 10:1 Turndown 
• Direct Vent – Uses 2" or 3" Piping (PVC, CPVC, Polypro and AL294C) 
• Easy-to-Follow Control Menu for Set-up and Service 
• Environmentally Friendly – LoNox and Low CO2 Emissions
• Developed and Assembled in the USA.