owb86
Boiler
Standard efficiency, oil-fired water boiler
Heating Savings
Features
Efficiency that’s always a warm welcome
Offers an efficiency of 86% AFUE, meaning it can deliver energy savings compared to an older boiler. That means you don’t have to worry about high heating bills, no matter how cold the weather gets. 86% of fuel is converted into usable heat.
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
Reliable, tested and ready
to work for you
This boiler’s cast-iron heat exchanger offers dependable operation.
Made with innovation throughout
This boiler’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.
Ratings & Reviews
See what other customers are saying about
OWB86 Boiler
5/5
Love it!
April 04, 2026Just had it the boiler installed last month but already happy with it as it’s been reliable, efficient, and keeping our home warm without worry.
Yes, I recommend this product.
central NJ
Age: Over 65`
Gender: Male
Reason for Replacement: Planned
5/5
5/5
5/5
5/5
5/5
Boiler Replacement
March 09, 2026Very happy with the installation of our new boiler by Knoechel Heating.
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