The Reznor 179315 is a professional-grade Natural Gas to Liquid Propane (LP) conversion kit specifically engineered for Reznor FT and SFT series unit heaters. For technicians managing field conversions in commercial or industrial settings, this OEM-certified kit provides the precision-machined components necessary to transition fuel delivery systems while maintaining factory-standard combustion efficiency. This kit is compatible with unit sizes ranging from 30 to 75 MBH. It ensures the burner assembly receives the correct gas-to-air mixture for propane’s higher BTU content, preventing hazardous soot buildup or heat exchanger fatigue caused by improper manifold pressures. Installation requires a precise swap of the burner orifices and the gas valve regulator spring. The Reznor 179315 includes high-accuracy 1.15mm brass orifices and dedicated Honeywell or Robertshaw regulator spring kits to match your existing valve manufacturer. In addition to the hardware, the kit provides essential manifold labeling and conversion tape to ensure the equipment remains code-compliant and safely documented after service. By utilizing genuine Reznor OEM replacement parts, contractors can maintain stable flame characteristics and reliable ignition cycles across the FT30, FT45, FT60, FT75, and equivalent SFT models. Key Benefits: OEM Compatibility: Guaranteed fit for Reznor FT/SFT 30-75 heaters, ensuring factory-spec performance. Precision Metering: Includes 1.15mm propane orifices for exact fuel flow regulation. Complete Hardware Set: Features regulator springs for both Robertshaw and Honeywell valves. Code Compliance: Includes necessary conversion labeling for safety inspections and future maintenance. Enhanced Flexibility: Allows for immediate site conversion of natural gas units to liquid propane. Common Questions: Can I use this kit for high-altitude installations? This kit is designed for sea-level conversions. For installations above 2,000 feet, you must consult the Reznor high-altitude derate tables and coordinate with a venter pressure switch adjustment if necessary. Which gas valves are compatible with the included regulator springs? The kit contains a Robertshaw #A54300 and a Honeywell #393691 regulator spring. You must confirm that the spring manufacturer matches your heater's existing gas valve brand before installation. Does this kit work for all Reznor heaters? No, the 179315 is specific to the FT and SFT series within the 30,000 to 75,000 BTU range. Larger units like the SFT 250 or different series like the UDAP require different part numbers. This item is not eligible for free shipping. Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
