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Lennox GWB9-IH Boiler

Choose the Lennox GWB9-IH for Your Home

The Lennox GWB9-IH Boiler is a reliable and efficient gas-fired boiler designed for residential and light commercial applications. It features a cast iron heat exchanger that provides exceptional heat transfer, while its electronic ignition system ensures reliable and efficient operation. The unit is equipped with safety features such as a pressure relief valve and a high-limit temperature control. The GWB9-IH Boiler has an AFUE rating of up to 90%, making it a highly efficient heating solution that can help lower energy costs. It also comes with a limited lifetime warranty on the heat exchanger. Overall, the Lennox GWB9-IH Boiler is a top-quality heating solution that combines efficiency, reliability, and ease of use.

Lennox GWB9-IH Features

Efficiency90% AFUE
Fuel SourceNatural Gas; convertible to LP
Sizes/CapacitiesThree
Burner TypeStainless Steel
IgnitionHot Surface
Warranty15-Year Limited Warranty on Heat Exchanger; 10-Year Limited Warranty on covered parts

View Lennox GWB9-IH Manual

Specials

New

Cooling & Heating Installation: No Interest / No Payment Plans available. Consult your Comfort Advisor for details.

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$250 OFF

Any Standard Water Heater Install

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$50 OFF

Any Plumbing Service

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$75 Off

Any Plumbing Repair if we can't service same day

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$75 OFF

Your First Plumbing HVAC, or IAQ service

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$89 OFF

Main Drain Clearing + Free Camera Inspection

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

$49

Water Heater Flush & Comprehensive Plumbing Inspection

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

HVAC Installation

Carrier "Cool Cash" and/or Daikin promo with rebates and financing options.

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

Specials

Save up to $3,500

on a New Heating & Cooling System* PLUS 50% Off a new Hot Water Heater**

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* Up to $500 Buy-Back discount, Free Parts & Labor Warranty up to $1,600 Value, and up to $1,400 EAP rebates (where available).
**Water Heater must be purchased on same sale.
Cannot be combined with other offers or promotions.

We Set the Industry Standard

Whether you’re replacing an existing HVAC system or adding air conditioning and heating to an unconditioned space, you can be confident that our team will get the job done correctly the first time. We offer free estimates on new HVAC systems, seasonal rebates, and coupons to make your new system more affordable. We also offer financing options which allow you to choose the new cooling or heating system that best meets your needs.

Let Christian Heating & Air Conditioning help keep you comfortable all year long. Give our HVAC service team a call today or contact us for assistance.

Customer Reviews

Dan our service person was absolutely amazing. He took his time & explained everything he was doing thoroughly. I would highly recommend Christian & I hope you get Dan.

Satisfied Customer

Mr. Bob Adelghani did an excellent job. Punctual and very profesional took the time to explain the problem and fixed it! Finally someone who understood what I was talking about and fixed it!!! (Other companies did not!) Thank you so much for your great service!

Erika C.