Relax with Reliable Comfort Season After Season. Schagrin Gas Company in Middletown knows the cold seasons seem to be endless, but we can help you stay comfy and warm. Our reliable Lennox® oil-fired water boiler can help. This trusty boiler will keep you and your family comfortable and can be equipped with an attached tankless coil to heat water for your showers, laundry and other household needs for a low additional energy cost. The COWB3 boiler is an efficient option for your home comfort. COWB3 BoilerThe Beckett® oil burner sets the standard for reliable, fuel-efficient heating. That’s exactly why it’s used in the COWB3 boiler. You can plan on years of nearly noiseless performance from this boiler. 85.2% AFUE* Optional, domestic tankless hot water coil provides hot water for almost no cost throughout the wintertime Sealed combustion design keeps noise very low Swing-out burner door for simple cleaning and maintenance Compatible with traditional radiator systems Cast-iron heat exchanger for lasting reliability 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts Efficiency Rating (AFUE): up to 85.2 Product Brochure Contact Us to Learn More Our boiler experts are always ready to serve the Middletown area. If you’re looking for a new boiler or need maintenance on your home’s boiler, call us at 302-658-2000 today, or schedule 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.