Lennox GWB9-075IH-3 Gas-fired Water Boiler

• Make: Lennox
• Model code: GWB9-075IH-3
• Type of Fuel: Natural
• Efficiency: 90 BTU
• Air or Water Supply: Water

Offers an efficiency of up to 90% AFUE, allowing to stay comfortable during even the coldest weather, without worrying about energy costs Designed to integrate easily into a traditional radiator system The light-weight and compact design allows flexible installation in basement, closet or alcove enclosure  Fuel source - Natural Gas; convertible to LP The cast-aluminum heat exchanger transfers heat three times faster than conventional cast-iron heat exchangers Sealed combustion minimizes fan noise and provides quiet and soothing heat The electronic ignition control monitors water temperature and maximizes efficiency by turning on the burner only when needed