Category: Indirect Fired Heaters

FVO-400 Oil

Flagro Indirect Fired Heaters - 400 Series

Part # FVO-400

Heat Capacity 390,000 btuh
Fuel Tank 42 US gallons
Weight 450 lb

Indirect Fired Heaters - 400 Series


Even more heat when and where you need it

The 400 series is just as reliable as the 200, with even greater heating capacity at up to 390,000 btuh. The 42 gallon tank on the FV0-400 can run for up to 14 hours, burning just 2.75 gallons per hour. FVO-400 weighs in at 450 lb and has two 16" pneumatic wheels. The FVN-400 (natural gas) and the FVP-400 (propane) weigh 365 lb and require external fuel tanks. All three models measure 70" long x 29" wide x 52" high. They come with two 12" air outlets and an optional third 16" outlet.
  • Indirect fired heat exchanger allows external exhaust of combustion products
  • Standard steel lifting harness
  • Heavy-duty pneumatic tubed tires
  • slim design for easy site mobility and transportation
  • Built-in 42 gallon fuel tank
  • Canada
Printable Spec sheet
Model FVO-400 Oil FVNP-400 Natural Gas or Propane
Heat Capacity 390,000 btuh 390,000 btuh
Fuel Tank Capacity 42 US gallons External N/A
Operating Time/
Fuel Consumption
14 hours
2.75 gal/hr
380 CFH
L x W x H 70" x 29" x 52" 70" x 29" x 47"
Heat Exchanger 16 gauge
304 Stainless Steel
16 gauge
304 Stainless Steel
Fan Motor 3/4 HP@1,725 rpm
2,500 CFM
3/4 HP@1,725 rpm
2,500 CFM
Ignition Direct Spark Ignition Direct Spark Ignition
Nozzle Size/
Gas Pressure
2.0 U.S. GPH at 170 PSI 2.0" W.C.
Air Outlet (optional) Two 12" diameter Two 12" diameter
Wheels Two 16" diameter
Pneumatic wheels
Two 16" diameter
Pneumatic wheels
Power Requirements 115V/60Hz/1Ph/15Amp 115V/60Hz/1Ph/15Amp
Approvals cWHus, ETL cWHus, ETL
Weight 450 lb 365 lb

Compare with: 200 series or FV 750

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