Firelake Horizon Model 315 Waste Oil Heaters

Model 315 Horizon Waste Oil Heater

Model 315 Horizon Waste Oil Heater

The Horizon 315 single pass heater is the perfect design for any shop. The multiple mounting systems allow for floor stand, tank rack or ceiling suspension mounting. Thanks to the accessible swinging door design near the chamber, up to 75% cleaning time is saved when compared to a conventional multi-pass system.

315,000 BTU Waste Oil Heater Specifications

Input (approx. BTU/hr.)


Output (approx. BTU/hr.)


Stack size

8″ / 20.3 cm

Shipping Weight

569 lbs./259 kg.

Heater dimensions (L x W x H)
Includes outside measurements of fan and burner

41″ x 26″ x 113.5″

Duct Opening

18″ x 18″

Electrical requirements (maximum circuit protection)

30A (15A for export)

Approx. fuel consumption

2.25 GPH

Blower CFM


Outlet Air Temperature

180 F

Compressed air requirements

2 CFM @ 40 PSI / .057 m3/min.@.28Mpa

Agency listings





Crankcase oil, transmission and hydraulic fluids, as well as other petroleum-based lubricants (any weight combinations up to SAE 50 as well as #1 and #2 fuel oil.)

Oil transfer pump

18 GPH @ 35 PSI (68 LPH @ .24 Mpa)


Why Choose Firelake?

Firelake Waste Oil Heaters are designed from the ground up to burn waste oil and other petroleum based products to provide heat for your shop. Over time, Firelake waste oil heaters and boilers have become the premier waste oil heating equipment in the industry.

  • Efficiency: The innovative Horizon Heater’s heat exchanger design eliminates the costs of a burner target. This system also contains no fuel tubes, which means reduced cleaning time and no tube repair costs.
  • Advanced Heat Exchanger Design: Reduces corners and thermal stress points to provide longer life and easier upkeep
  • Warranty: lifetime limited heat exchanger warranty
  • Dual Stack Connections: Vent gas out left or right side for a more versatile installation
  • Dual, Multi-Directional Air Outlets: Left and/or right side, up or down, right or left louvering
  • Squirrel Cage Blower Standard
  • Light Weight: Easy to handle and install
  • Multiple Voltages: 120-volt/60-amp and 220-volt/50-amp available
  • Customized Heat Exchanger Cleanout Tool Standard: Promotes regular and complete maintenance of heat exchanger

Download Firelake Brochure


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