GWB9-IH Boiler

High-efficiency, gas-fired water boiler

Features

Overview

Here are some of the top features of the GWB9-IH:

Efficiency rating of 90% AFUE.

ENERGY STAR® certified which means it meets or exceeds U.S. federal guidelines for energy efficiency.

Cast-aluminum heat exchanger transfers heat up to three times faster than traditional cast-iron exchangers.

Easy integration with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.

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

Energy Efficiency

  • Cast-aluminum heat exchanger—transfers heat up to three times faster than traditional cast iron exchangers
  • ENERGY STAR® certified—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

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
  • 15-Year Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components

Product Brochures and Manuals

Lennox GWB9-IH Boiler

Disclaimer

*Shipped as natural gas; field convertible to LP.

Certifications

GWM-IE Boiler

High-efficiency, gas-modulating condensing water boiler

Features

Overview

Here are some of the top features of the GWM-IE:

Efficiency rating of up to 95% AFUE.

ENERGY STAR® certified which means it meets or exceeds U.S. federal guidelines for energy efficiency.

Modulating capability allows burner to fire at a rate as low as 20% of its full capacityto perfectly match comfort needs.

Electronic ignition control burns fuel only when necessary, reducing energy costs.

Quiet Operation

  • Sealed combustion—minimizes fan noise and provides quiet, soothing heat

Home Comfort

  • Modulating capability—allows burner to fire at a rate as low as 20% of its full capacity to perfectly match your comfort needs

Energy Efficiency

  • ENERGY STAR® certified—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
  • Stainless steel, finned-tube heat exchanger design—converts waste energy into usable heat

Reliable Performance

  • Stainless steel, finned-tube heat exchanger design—is self-cleaning and extremely durable
  • Stainless steel mesh burner—provides greater resistance to corrosion and oxidationthan aluminized steel burners
  • CPVC flue condensate collector—is corrosion resistant and eliminates the use of metalin venting area
  • 15-Year Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components

Product Brochures and Manuals

Lennox GWM-IE Boiler

Certifications

All rights reserved. Web design By Mysteryman & Co Ltd. Content By Boston Media Ltd.
All registered trademarks are the property of their respected owners.