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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 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

Efficiency	90% AFUE
Fuel Source	Natural Gas; convertible to LP
Sizes/Capacities	Three
Burner Type	Stainless Steel
Ignition	Hot Surface
Warranty	15-Year Limited Warranty on Heat Exchanger; 10-Year Limited Warranty on covered parts

View Lennox GWB9-IH Manual

HOW CAN WE HELP?

$69

Cooling 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.
Offers expire on 6/30/26

$99

Electrical Safety Inspection

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$89 OFF

Main Drain Clearing + Free Sewer Line Camera Inspection

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$100 OFF

Electronic Air Cleaner

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$100 OFF

First HVAC Service ($500 Min)

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Offers expire on 6/30/26

Healthy Spring Air Bundle

Save $300 Duct Cleaning, UV Light & Electronic Air Cleaner

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$300 OFF

Water Heater Replacement

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$500 OFF

Tankless Water Heater Replacement

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$75 OFF

First Plumbing Service ($500 Min)

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$100 Off

Whole-Home Surge Protector

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$250 OFF

EV Charger Installation

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$75 OFF

First Electrical Service ($300 Min)

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Offers expire on 6/30/26

$16.25/m Membership + $100 OFF

First HVAC Service or $75 OFF First Plumbing or Electrical Service

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Offers expire on 6/30/26

0% for 72 Months

Financing Offer

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$500 off

Outdoor Lighting Package

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Offers expire on 6/30/26

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.

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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.

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Our Locations

Southampton Christian Heating, Cooling, Plumbing & Electrical 1320 Industrial Blvd Southampton, PA 18966 (215) 664-5796

West Chester Christian Heating, Cooling, Plumbing & Electrical 1041 Andrew Dr
 West Chester, PA 19380 (610) 257-7702

Wayne Christian Heating, Cooling, Plumbing & Electrical 998 Old Eagle School Rd
 Wayne, PA 19087 (215) 258-4840

Villanova Christian Heating, Cooling, Plumbing & Electrical 252 N Radnor Chester Rd, #2F Villanova, PA 19085 (484) 246-5735

Doylestown Christian Heating, Cooling, Plumbing & Electrical 54 E Oakland Ave, Suite 1A Doylestown, PA 18901 (215) 934-6700