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.