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• Frost Fighter DF400-II 400,000 Btu Recessed Flame Construction Direct Fired heaters NG/LP

Frost Fighter DF400-II 400,000 Btu Recessed Flame Construction Direct Fired heaters NG/LP

SKU: DF400-II

$4,050.00

$2,490.00

$2,490.00

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DF 400-II Direct Fired Propane/Natural Gas Heater 400,000 BTU

Fuel: Propane/Natural Gas

Fan: 2500 CFM 1/2 HP

Lowest Emissions in the Industry

ETL 2009 International Approved

Powder Coated

Thermostatically Controlled (Thermostat Built In) The temperature range of the thermostat is 40 to 100F Degrees

Low Pressure Regulator on Manifold

Standard Wheels for easy mobility

Easy Ball Valve Changeover from Propane to Natural Gas

Stainless Steel Burner for Higher Efficiency & Durability

1/2 hp Motor 120v 15amp

Shipping Dimensions Crated: 51"L x 31"W x 33"H

Shipped Weight: 210 lbs (approximate)

LP/NG Features: • Quick ball change valve change over from propane to natural gas

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Features:

• Lowest Emissions in the Industry
• ETL 2009 International Approved
• Powder Coated
• Thermostatically Controlled
• Low Pressure Regulator on Manifold
• Standard Wheels for easy mobility
• Easy Ball Valve Changeover from Propane to Natural Gas
• Stainless Steel Burner for Higher Efficiency & Durability
• Certified to ANSI Z83.7 / CSA 2.14
• BTU-Output: DF400: 400,000 BTU DF1500: 800,000 and 1,500,000 BTU • Airflow: DF400 - 2500CFM  - 1/2 HP Motor DF1500 - 7700CFM - 1 HP Motor • Gas connection:  DF400: 3/4” NPT DF1500: 1 ¼” NPT
• Electrical connection:   DF400: 120V 15A DF1500: 120V 15A- new! • Dual-Fuel: Yes, Propane or Natural gas. Hand-valve switchable.
• Double-wall Construction: Yes, reduces surface temperature
• Thermostatic Control: Yes.
• Electronic Flame Supervision: Yes.
• Venting: No external venting required.
• LEED Construction: Yes.
• OSHA compliant: Yes, CO below 50PPM (PEL).
• Unattended use allowed: Yes.
• Proof of Airflow: Yes, burner shuts-down upon restricted airflow.
• High Temperature Limit: Yes.
• Motor overload protection: Yes, Automatic reset.
• Dual gas regulators: Yes, regulators control gas pressure & prevent any overpressure to burner.
• Dual gas valves: Yes, ensures complete gas shut-off to burner.
• Manual gas shut-off valve: Yes.
• Data plate and Safety Markings: Yes.
• Thermostatic control: Yes, single stage (400) or 2 stage (1500).
• Stacking Frame: Yes (1500).

Read Operators Manual before operating. Follow all national and local codes for proper installation & operation.

DF400-II Specifications

Maximum Heating Capacity 400,000 BTU/h 
Dual Stage Firing No 
Fan Motor 1/2HP 
Air Outlet Diameter 16" 
Supply Gas Pressure 1/2lb PSI max. or 7"-14" w.c. 
Inlet Pipe Connection 3/4" NPT 
Ball/Valve Switchover Yes 
Thermostat Control Optional 
Manifold Gas Pressure 1.4" w.c. LP / 3.5" w.c. NG 
Gas Consumption (Propane) 157 CFH @ 4.35 US Gal/hr 
Gas Consumption (Natural Gas) 390 CFH @ 10.7 US Gal/hr 
Power Requirement 120V/15amp 
Crated Dimensions 51"L x 31"W x 33"H 
Approximate Crated Weight 210lbs 
Approvals / Certification ETL/CSA

Download DF Series Manual