Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler.

With a dependable Lennox® oil-fired water boiler from Craig's Appliance Heating & Cooling in Bountiful, you’ll stay warm and snug—even on winter’s harshest days. Plus, with the addition of an optional tankless coil, your high-efficiency boiler can also provide you with hot water for all your household needs, for very little money during the winter months.

See what the COWB3 boiler has to offer.

COWB3 Boiler

You will enjoy years of near-silent heating from the COWB3 boiler. It features the Beckett® oil burner, which sets the bar for predictable fuel-efficient heating.

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil provides hot water for a very small cost throughout the wintertime
  • Sealed combustion design keeps noise at an unnoticeable level
  • Swing-out burner door for painless cleaning and maintenance
  • Compatible with traditional radiator systems
  • Cast-iron heat exchanger for lasting performance
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
COWB3 Boiler
Efficiency Rating (AFUE): up to 85.2

Our boiler professionals at Craig's Appliance Heating & Cooling are available to assist with all your boiler needs, whether you want a new boiler or boiler maintenance. Call our Bountiful location at 801-295-3357 today, or set up your appointment online.


*Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.