Sling-Choker Mfg

390k BTUh Oil Heater

Oil Fired Portable Heater - 390,000 BTU - Flagro Industries


Flagro, industry leaders in heating equipment manufacturing, offer a dedicated group of versitile work site heaters perfect for numerous open-area applications. The constant reliability of these units, combined with the portability offered by standard wheels, makes this a highly recommended product.

The FVO-400 contains:

  • An oil-fired heater with a 390,000 BTU heat capacity
  • Capability of running continuously for 14 hours (at 2.75 gallons of oil per hour)
  • A 16 gauge, T304 stainless steel heat exchanger
  • Easy ignition, with a direct spark igniter
  • Two 12" pneumatic wheels
  • Option to replace 12" air outlets with a single 16" diameter outlet
  • cETLus approval, along with rigorous in-house testing on every unit
  • Total weight of 450 lbs


* Select the desired product below to compile your quote

Heat Capacity
Fuel Tank
L x W x H
Fan Motor
Nozzle Size / Gas Pressure
Air Outlet
Power Requirement
390,000 btuh
42 Gallons
70" x 29" x 52"
0.75 HP @ 1,725 RPM / 2,500 CFM
2.25 x 45B @ 150 psi
Two 12" diameter
115V / 15 Amp / 60 Hz / 1 Ph




Contact your regional Sling-Choker sales representative to request a quote or any additional information