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Boilers

Oil Boiler
ULTRA OIL
Web Site
PDF Brochure

Models

UO-3 (0.80 GPH), UO-3 (1.00 GPH), UO-4, UO-5

Key Features

  • 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
  • 86% AFUE