Frost Fighter’s IDH400QR Indirect Fired Heater is one of the most efficient, durable and reliable indirect fired heaters in it’s class. It also boasts one of the quietest operating dB noise levels available. Combined with standard recirculation, fully insulated jacket, high static pressure, adaptable duct attachment, stainless steel multi-pass heat exchanger, 3-trials for ignition and EZ ball valve switchover features, the IDHQR series is designed and engineered to provide excellent fuel savings and trouble-free operation in the harshest environments.
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Fully insulated jacket to minimize heat loss, increase efficiency and provide cool to the touch for safety.
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Proven “Multi-Pass” stainless steel heat exchanger provides unsurpassed heat transfer.
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Fully independent fan & combustion air provides consistent and dependable operation in cold weather and ensures pre-heating to eliminate cold air delivery at start-up.
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High static pressure/high volume fan provides large volumes of air movement with or without ducting attached.
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Accommodates up to 100-ft of supply ducting. (Dual 12″ outlets standard)
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16″ recirculating intake that can accommodate up to 50-ft of return duct to significantly reduce fuel consumption and heating times (length of intake duct attached requires equal reduction from 100ft of supply duct ex: 25-ft intake = 75ft supply)
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Compact design with highly durable 6-ply pneumatic tires, handles & lifting ball for easy transport.
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Quiet operation of <62 dB for noise sensitive areas.
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Durable power coat finish.
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High efficiency stainless steel heat exchanger.
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Ducting not included. Shown in photo for illustrative purposes.
Meets all applicable CSA approvals/certifications.
| Oil/Diesel Heater Specs | Propane/Natural Gas Heater Specs | |
| Heating Capacity | 400,000 BTU/h | 390,000 BTU/h |
| Fuel Requirement | Oil/Diesel | LP/NG |
| Heated Air Volume | 2800 CFM | 2800 CFM |
| Max. Static Pressure | 2.6″ | 2.8″ w.c. |
| Standard Recirculation | Yes | Yes |
| Decibel Rating | <62dB | <62dB |
| Discharge Temp | Up to 250°F (121°C) | Up to 250°F (121°C) |
| Fuel Tank Cap. | 60 US Gallons | N/A |
| Approx. Run Time | 15/22 hrs (Std/Opt) | N/A |
| Supply Gas Pressure | N/A | 7-14″ wc (1/2 PSI Max) |
| Manifold Pressure | N/A | 3.5″/NG – 1.8″/LP |
| Required Power | 120V/15amp/60Hz | 120V/15amp/60Hz |
| Running Power | 9.2amps | 9.2amps |
| Crated Dimensions | 83″ x 37″ x 52″ | 64″ x 36″ x 42″ |
| Crated Weight | 580 lbs | 580 lbs |
| Unit Dimensions | 70″ x 35″ x 57″ | 70″ x 32″ x 57″ |
| Unit Weight Dry | 420 lbs | 420 lbs |
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