Lennox GWB9-IH, 75000 Btuh Gas-Fired Water Boiler with Induced Draft Blower, Floor Mount, 90% AFUE

Cat # : 57L72

Model/Part # : GWB9-075IH-3


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Brand Lennox
Catalog Number 57L72
Model/Part Number GWB9-075IH-3
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Series GWB9-IH
Heating Capacity 75000 Btuh
Product Voltage 120 VAC 1 Ph 60 Hz
Product Depth 17.25 Inch
Product Height 36.25 Inch
Efficiency 90% AFUE
Product Width 28.125 Inch
Ignition Type Hot Surface Ignition
Gallon Capacity 2.6 Gallon
Type Gas-Fired Water Boiler with Induced Draft Blower
Energy Star Certified Yes
Heat Exchanger Type Aluminum
Mounting Type Floor Mount
Gross Weight 235 lbs.
Coaxial Flue Size 2 Inch
Burner Type Pre-Mix Stainless Steel

Product Overview

GWB9-IH Boiler

High efficiency, gas fired water boiler

The GWB9-075IH-3 boiler offers an AFUE rating of 90%, which means it converts a full 90% of fuel into usable heat. And it delivers warmth quickly with a cast aluminum heat exchanger that transfers heat three times faster than conventional cast iron.

75 Input MBH, 68 MBH Heating Capacity

Energy Efficiency

  • Cast aluminum heat exchanger—transfers heat up to three times faster than traditional cast iron exchangers
  • ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency, which means energy savings
  • Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed

Home Comfort

  • Sealed combustion—minimizes fan noise and provides quiet, soothing heat
  • Easy integration—low temperature supply and return water makes the unit compatible with existing radiant and underfloor systems

Reliable Performance

  • Durable cabinet—heavy-gauge steel cabinet and baked-on paint finish
  • Compact and versatile—allows easy installation in a basement, closet or alcove enclosure, and can be fueled by natural or LP* gas

*Shipped as natural gas; field convertible to LP.

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