HS 122,000 BTU Diesel Indirect-Fired Heater Bundle
HS 200,000 BTU Indirect-Fired Diesel Heater Bundle

HS 400,000 BTU Indirect-Fired Propane Heater


The HS 400,000 Indirect Fired (Natural Gas or Propane) Heaters are highly efficient devices that provide large volume of 100% clean, dry and fume free warm air. They are best for places with limited ventilation like shops, event tents, food preparation areas, exhibition halls, and construction sites. They can be used with flexible duct that spreads the warm air around easily, and can be used with a thermostat to maintain desired space temperatures.


  • Additional shipping charges may apply based on your location and dock availability.


Add-ons total:


HS 400,000 BTU/HR Indirect Fired (Natural Gas or Propane) Heater. The heater is an ideal solution for any large Industrial or rental application. The product ships with factory installed dual 12″ duct adapters. When paired with up to 100′ of high quality high temperature canvas ducting, this indirect fired heater is an ideal heating system for delivering even heat to both event tents and construction sites with clean fresh heated air. You can place the unit outside the space and duct the warm air in or for a fuel savings you can place the heater in the space to be heated and vent the exhaust out. Either way it is hard to beat the comfort and safety of indirect heat.
  • Heavy duty frame
  • Lift bracket
  • Heat exchanger to keep exhaust gas and heated air separate
  • Powerful fans ensure high static pressure
  • Long life stainless steel combustion chamber
  • Electronic flame control
  • Water resistant flame control box
  • Automatic safety and control devices
  • Optional thermostat available for constant temperature control
  • Durable powder coated finish
  • Heavy duty duct adapter available
  • UL Certified


Fuel TypeNatural Gas or Propane
Minimum LP Tank SizeSee Manual for Guidelines
Minimum NG Line SizeSee Manual for Guidelines
Electrical Rating120V/60 Hz, 13 Amps
Air Volume (CFM)4032
Gas Inlet Connection1/2in
Gas Inlet Pressure MinNG (7in w.c.) / LP (8in w.c.)
Gas Inlet Pressure MaxNG (10in w.c.) / LP (13in w.c.)
Clearance to Combustibles: Horizontal6 ft
Recirculating DuctingF105127 Adapter Ring / F105128 24in x 25ft Duct and Clamp
Duct Length Max100 ft
Duct DiameterStandard Dual (12in) or Single F105126 (16in)
Multiple Ducting OptionalF150040 12in x 25ft / F150050 16in x 25ft
Wheel TypePneumatic
Thermostat OptionalF105108 Analog (33′) / F105106 Digital (33′)
Item Length (in)68
Item Width (in)27
Item Height (in)60
Warranty1 Year Limited


There are no reviews yet.

Be the first to review “HS 400,000 BTU Indirect-Fired Propane Heater”

Your email address will not be published.

HS 122,000 BTU Diesel Indirect-Fired Heater Bundle
HS 200,000 BTU Indirect-Fired Diesel Heater Bundle

Professional Memberships

20" High Temperature Duct

20" High Temperature Duct

20" High Temperature Duct

US chamber logo