Ultra Oil Boiler

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Product Type:

oil-fired residential

Ultra Oil Boiler
Where to Buy
Contact us today to obtain a contractor or distributor in your area.
  • Optional Advanced Features Module that provides indoor/outdoor reset, DHW priority, stage firing and more
  • Dedicated water-only oil boiler
  • Flexible direct or chimney venting - no power assisted fan needed
  • Reversible swing-away burner door
  • Three-pass cast iron heat exchanger with captured elastomer seals
  • Energy Star Rating
  • 87% AFUE Series 3

Series 3

Model                              Burner Cap (GPH)DOE Heating Capacity (MBH)Net AHRI Ratings (MBH)Min. Chimney SizeAnnual Fuel Utilization
Efficiency (AFUE)
UO-3 (0.80 GPH)0.8099868 x 887
UO-3 (1.00 GPH)1.001231078 x 887
UO-41.201481298 x 887
UO-51.401731508 x 887