85% Highboy Oil Furnace

For over 60 years, Thermo Pride has listened to your concerns about comfort and has met your demands for the best, most reliable, and efficient furnaces and cooling systems. Every Thermo Pride product is built with traditional, dependable craftsmanship. What this means to you is quiet, reliable, long lasting performance.

  • Honeywell Automatic/Manual Fan & Limit Control
  • Chrome Plated Handles
  • Large, Easily Accessable Inspection Ports
  • 22-gauge Furniture Grade Steel Cabinet Construction
  • High Efficiency Flame Retention Beckett Burner (optional Riello Burner)
  • Front or Rear Flue Option
  • 13-gauge Copper Powder Coated Octatherm Heat Exchanger
  • Filter Frame and Filter
  • 4-Speed Direct Drive Blower Motor or Belt Driven Motor
  • Ceramc Refractory (not available on the 2, 33, 37 and 39 Units)
  • Heavy Fiber Chamber comes standard in the 2, 33, 37 and 39 units
  • Sound and Vibration Absorbing Blower Mounts
HIGHBOY  Oil Furnace
Model IDModel NameMBH
Output at
Beckett - Riello
WxLxHWarm Air
Outlet WxL
Air Inlet
WxL (inches)
Maximum A/C
Capacity BD
Maximum A/C
Capacity DD
1851OH11-105101.080.0 - 85.024x34x59.522x2025x16-3.5490
1852OH16-125125.080.0 - na27x36.5x6622x2025x16-5546
  • Limited Lifetime Warranty
  • 10-year " Peace of Mind " parts warranty
  • Optional 5 or 10 -year labor coverage available
  • Registration Map