Peerless Boilers’ PureFire gas-fired condensing boiler series is a high-efficiency, 95% AFUE boiler available for either natural or LP gas systems. The direct-vent, sealed-combustion boiler features a fully modulating, stainless-steel burner and is environmentally friendly with low-NOx operation. The boiler is available in six residential sizes — all Energy Star-rated; six commercial sizes are also available.
PB Heat gas-fired condensing boiler
![PB Heat gas-fired condensing boiler](http://www.pmmag.com/ext/resources/PM/2015/Oct-2015/PM1015_Products_PB-Heat.jpg?1445967933)