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The Modine name has become synonymous with quality unit heaters in millions of homes and workshops all across the world. The PTP400 is no exception to this rule, with sound engineering and reliability to last decades on end. The PTP400 is particularly well suited to greenhouse applications with its corrosion resistant heat exchanger, but can still perform incredibly well in nearly any other environment as well. Product Features Tubular Heat Exchanger Design The unique tubular heat exchanger design of the PTP400 provides efficient heat transfer from combusted fuel to surrounding air in a wide variety of conditions. This translates to lower heating costs and faster warm up time. Stainless Steel Heat Exchanger The stainless steel heat exchanger has incredible corrosion resistance, high heat transfer and is protected by a full 10 year warranty by Modine.

The horizontal power vented PTP unit heater line. The PTP delivers 80% thermal efficiency in a small business-friendly package. This unit features a stainless steel tubular heat exchanger as standard on all units with a 10-year heat exchanger warranty that provides customers with a peace of mind. The PTP is available in 7 models sizes from 150,000 to 400,000 BTU/hr. Features: BTU: 400K. Flue Type: NG. Made in the USA. Ignition: Direct Spark. Bent tube, low-profile design. Stainless Steel Heat Exchanger Material - 115V. Permanently-lubricated motor for trouble-free dependability. 10-year heat exchanger warranty, even in greenhouse applications. Optional finger-proof fan guard for operation at low mounting heights. Standard power exhaust simplifies side-wall or roof venting with small diameter vent pipe. Stainless steel heat exchanger is standard on all units, extending the life of your investment. Totally enclosed fan motors and all controls mounted inside the cabinet for protection from airborne moisture and dust. Quick and easy installations with wiring terminals and knockouts for quick access to gas and electricity, and a roomy controls cabinet for ease of work.