For Service, Estimates or Maintenance

Over 80 Years Serving the Fox Valley

Performance™ 86 Oil-Fired Boiler – BW4

Contact us to request service or request an estimate. We offer Emergency 24hr service too! For After Hour Emergency Service please call 847-742-3486 ext. 302 or call 630-549-5944 for After Hour Emergency Estimates.

Our normal hours are 8am – 4pm.



This boiler serves up the hot water for your radiant system and lives up to its Performance name every day. It’s made for lasting dependability with a cast-iron heat exchanger and boasts an efficiency rating of up to 86.5% AFUE.

Additional information


Up to 86.5% AFUE
Oil-fired, hot-water output
Cast-iron heat exchanger
Beckett or Riello oil burners
Electronic spark to pilot ignition
10-year parts limited warranty1
20-year heat exchanger limited warranty
Optional labor warranty available2
1 To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years on parts if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for details. 2 Ask your Carrier® dealer for details.


Up to 86.5% AFUE
Select sizes are ENERGY STAR® qualified*
Rated heating output: 80,000-236,000 Btu/h
Oil-fired, hot-water output
Cast-iron heat exchanger
Beckett or Riello oil burners
Electronic spark to pilot ignition
Combination high-limit and circulator relay
Integrated pressure relief valve
Barometric vent damper
Section seals are cast iron push nipple type
Recommended controls: Performance™ and Comfort™ series thermostats
80,000-236,000 Btu/h
Power source: 110-125v
Painted, steel outer casing in taupe metallic
Dimensions: 36'H x 19.625'W; depth varies by size: 14.5'-21'