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By design, the Propex furnace is a quiet and reliable way to heat your vehicle. The only noise you'll hear is the fan running and a soft low rumble of the combustion exhaust pipe. For those who want an even quieter experience, Van Cafe sells a complete 'stealth' retrofit kit for your HS2000.The kit comes complete with mufflers for the combustion intake and exhaust, a section of specialized 'acoustic' ducting and the appropriate silicone connect …

When installing your Propex heater, it is important to follow some specific guidelines when routing your combustion pipes. Failure to heed this guidelines can cause irregular operation and fault codes.The golden rule when installing your heater is that you should not shorten your combustion pipes under any circumstances. The heater is engineered to operate under very specific air flow parameters and shortening the pipes WILL lead to improper or …

Propex heaters are designed to be mounted on the vehicle floor, whether internally like the HS2000 and HS2211 or externally like the HS2211. The following information applies to the internally mounted HS2000 and HS2800 heaters only. The combustion inlet and outlet are stubbed with 2" pipes that allow secure connection to the intake and exhaust piping. Vehicles with thick, insulated floors can present a dilemma when trying to connect the combu …

One of the key design elements of the Propex heater is that combustion is separate from the heated cabin air. This precludes noxious fume infiltration and condensation inside the heated area.Propex designed several safety features into their heater units because vehicle-mounted accessories tend to experience extreme vibration and environmental extremes. One of these safety features is an air flow sensor that measures the velocity of the combust …