GV90+6 140,000 BTU High Efficiency Gas Boiler (Natural Gas & Liquid Propane)

Details

Durable cast iron primary heat exchanger which is 90+% AFUE efficient boiler. This item features a condensing stainless steel secondary heat exchanger, and a unique 7 pass heat exchange design maximizes heat transfer. The system vents with PVC using multiple venting options - Direct Vent, Direct Exhaust, Concentric. There is a kit available for easy conversion to propane. With the Smart Circulator Strategy, a built-in dual circulator strategy provides boiler protection, and the control strategy allows easy integration of outdoor reset to take advantage of low water temperatures.