COWB3 Boiler

COWB3 Oil-fired Water Boiler

The COWB3’s sealed combustion design provides quiet, safe, draft-free heating. It also integrates easily into your home’s existing radiator system for continuous comfort all winter long.
Efficient, quiet warmth you can count on

Categories: Boilers, Oil-Fired Water Boilers Tag: Lennox

Features

Efficiency that’s always a warm welcome

The COWB3 offers an efficiency of up to 85.2% AFUE, meaning it can deliver significant energy savings, compared to an older boiler. That means you don’t have to worry about high heating bills, no matter how cold the winter gets.

Hot water at virtually no extra cost

By installing an optional tankless coil, you can enjoy hot water for regular use in your home during winter months, without spending extra money on energy.

Reliable, tested and ready to work for you

The COWB3’s cast-iron heat exchanger offers long life and dependable operation. It also features a Beckett® burner that sets the standard for reliable, fuel-efficient heating.

Made with innovation throughout

The COWB3’s sealed combustion design provides quiet, safe, draft-free heating. It also integrates easily into your home’s existing radiator system for continuous comfort all winter long.

COWB3 Oil-fired Water Boiler Brochure

COWB3 Oil-fired Water Boiler Manual

Feature	COWB3 Boiler
Efficiency	Up to 85.2% AFUE
Fuel Source	Oil
Sizes/Capacities	Three
Burner Type	Beckett
Warranty	20-Year Limited Warranty on Heat Exchanger; 5-Year Limited Warranty on covered components. This product may be eligible for 10-Year Limited Warranty coverage with product registration.

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People like you shared their purchase and installation experience!

Raymond Murphy

Mory was the service person. He is a professional, thorough, polite, & pleasant man. The gas fireplace looks brand new. There is not one spec of dirt on the floor.Thank you, Cozy Comfort!

Lynn Torres

We had a great experience with the technicians at Cosy Comfort Plus - we had some Red Tags that needed sorting and they were able to deal with the issue promptly and professionally. Would certainly recommend.

Peter Condon

I had a great experience with Brian from Cozy Comfort from initial phone consultation, followed by in home visit on the same night to ensure right furnace was selected as my old one had quit. Great price was competitive and install performed 1 day later and everything works mint! Will definitely use these guys again.