Lennox COWB3 Boiler
Lennox COWB3 Boiler Lennox
Energy Efficiency

Beckett® oil burner—sets the standard for reliable, fuel-efficient heating
Domestic hot water coil—optional tankless coil provides hot water for virtually no cost throughout the colder months

Home Comfort

Sealed-combustion design—provides quiet, healthy and draft-free heating
Easy integration—works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures

Reliable Performance

Cast iron heat exchanger—designed for long-lasting durability
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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.

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