COWB3 Boiler

Built with the finest quality components, including a Beckett® oil burner and a durable cast iron heat exchanger, the COWB3 boiler delivers quiet, efficient performance year after year.

Here are some of the top features of the COWB3:

Beckett® oil burner sets the standard for reliable, fuel-efficient heating.
Cast iron heat exchanger designed for long-lasting durability.
Easy integration with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.
Swing-out burner door provides complete, easy access for cleaning and maintenance.

Beckett® oil burner

Optional tankless coil

Sealed-combustion design

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

Cast iron heat exchanger

20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts

Publications:

https://resources.lennox.com:443/fileuploads/0ddece30-025b-4b7c-9223-3f0d028491eaLennox_COWB3_Boiler.pdf

Certifications:

AHRI Certified C

ASME (H)

CSA Approved (C)(US)

Warranty:

20-Year Limited Warranty on heat exchanger

5-Year Limited Warranty on covered components

This product may be eligible for valuable 10-year Limited Extended Warranty coverage with product registration

COWB3 Boiler

Here are some of the top features of the COWB3:

Publications:

Certifications:

Warranty:

Phone

Email

Business Hours

Office hours