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

With a dependable Lennox® oil-fired water boiler from J.L. Brady Company LLC in Moline, you’ll stay warm and toasty—even on winter’s most bone-chilling days. Also, with the addition of an optional tankless coil, your high-efficiency boiler can also make hot water for all your household needs, at virtually no cost during the winter months.

Read more about the COWB3 boiler.

COWB3 Boiler

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

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil heats hot water for almost no cost throughout the wintertime
  • Sealed combustion design keeps noise very low
  • Swing-out burner door for painless cleaning and maintenance
  • Functions 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 experts at J.L. Brady Company LLC are here for you to assist with all your boiler needs, whether you need a new boiler or boiler maintenance. Call our Moline location at 309-517-7511 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.