- Efficiency: Up to 87% AFUE, ENERGY STAR® Certified (EXB4075, EXB5100, EXB6130 and EXB7165)
- Capacity: Multiple Firing Rates
- 4 Section – 105 and 126 MBH
- 5 Section – 140 MBH
- 6 Section – 182 MBH
- 7 Section – 231 MBH
- Heat Exchanger: Cast Iron
- Combustion: Atmospheric
- Venting: Vertical or Direct Vent
- Boiler Type: Hot Water
- Boiler Control Module: Hydrolevel Fuel Smart HydroStat Control – combination Low Water Cutoff with boiler temperature reset and circulator control
- User Display Interface: Digital display with easy-to-set dial-type limit settings
- Heat Exchanger: High efficiency, cast iron, three-pass design with reversible swing door and target wall. Efficiency baffles/liner by model
- Combustion: Oil burner with protective cover and a flexible oil line
- Electrical: Wiring harness with Molex connectors and a burner electrical disconnect
- Other
- Temperature/pressure gauge
- 3/4″ ASME relief valve
- Drain valve
- Textured painted steel jacket
- Beckett or Riello Burner
- Manual Reset High Limit with Plug-in Molex Connectors
- Direct Vent
- Easy-to-Service
- Flexible oil line combined with an easy access heat exchanger with a dual-hinge swing door (right or left mount option)
- Wide flue ways for easy cleaning
- Sight glass for flame observation
- Removable 1/4″ test port for draft overfire reading
Very pleased with the work and the way it performs.
Excelsior EXB Series
Highly recommended by contractor and a great warranty.
Excelsior EXB Series
I would recommend this product. This is not my 1st dunkirk boiler. I had one in a previous home that i owned. The contractor (Oms Heating & Plumbing) that installed boiler, I would highly recommend. He did a very neat and professional job
Excelsior EXB Series