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IDF350 LP/NG Frost Fighter Indirect LP/NG Fired Heater 350,000 Btu

IDF350 NG/LP Frost Fighter Indirect Fired heaters LP Propane Natural Gas Heater
IDF350 NG/LP Frost Fighter Indirect Fired heaters LP Propane Natural Gas Heater
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Item Number: IDF350-NG/LP
Manufacturer: Frost Fighter Heating
Manufacturer Part No: IDF350-NG/LP

IDF350 LP/NG Frost Fighter Indirect Fired heaters LP Propane Natural Gas Heater

Frost Fighter Indirect Fired Heating, Indirect Gas Fired heaters provide clean, safe, economical high capacity heating IDF OHV - LP/NG Series
The perfect solution where clean, dry heat is required to complete a project on time and within budget. Ductable up to 50ft,
our IDF lineup comes standard with many features designed for safety, performance, and efficiency not found on competitive systems:
Fully Insulated Jacket, Stainless Steel Heat Exchanger, Satin Coated Steel, Powder Coated Paint,
LED Polarity Lighting, High Limit Safety Switch, 6-Ply Pneumatic wheels, Adaptable Duct Connection, 3-Trials for Ignition (LP/NG) and
Ball Valve Switchover from propane to Natural Gas (LP/NG).

81% US Efficiency Rating / 91% European Efficiency rating

Email: for quote on these units


  • Standard Lifting Bail Included
  • Can be configured with 2 x 12" or 1 x 16" Outlet front Cap
  • 3-Trials for Ignition (LP/NG Version)
  • Ball-Valve Switchover from Propane to Natural Gas (LP/NG Version)

• Clean burning flame retention burner
• Vented burning for safe use in confined areas.
• Independent fan and combustion air feeds ensure quick winter starts.
No heated air led off for combustion or lost up the flue.
• Service is a breeze
• Fast parts supply


The Frost Fighter is portable and simple to operate - all parts have easy access for quick service and routine maintenance.
With over 35 years of proven reliability, and rugged durability even in extreme climates, the Frost Fighter continues to be a leader for temporary heating needs.


IDF350-NG/LP 120V 60Hz Indirect LP/NG Gas Fired Input 350,000 BTU
LP/NG Features: • Quick ball change valve change over from propane to natural gas


350,000 BTUs Natural Gas  

320,000 BTUs LP Propane Gas
Heated Air (w/o duct) 2,500 CFM

Fan Motor ½ Hp, 1750 RPM

Burner Motor ¼ Hp, 3450 RPM
Discharge Temperature 220° F - (@50 degree F ambient)
Fuel Type: Propane / Natural Gas

Heater only Dimensions 76.5" L x 27" W x 51" H

Dry Weight: 467 lbs.

Shipping Dimensions Crated: 83" L x 38" W x 52.5" H

Packaged Shipping Weight 517 lbs.
Approved Agency: ETL

For quote Email:

Customer is responsible to check local codes and ordinances for permitted uses.
Normal Processing lead time to ship parcel orders will ship within 24-48 hours and LTL orders will ship within 2-5 business days.

Shipping in seasons: parcel orders will ship within 48-72 hours and LTL orders will ship within 6-8 business days.

California Residents Concerning Prop 65 Warning for Products sold on Smoky Mountain Emporium Inc
Click here for detailed information on Prop 65

This item can only be shipped via LTL Freight due to its weight, size, or fragility.

Ships from Winnipeg, MB, Canada

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