High-Grade Ni-Cr Alloy: Engineered to withstand repeated thermal expansion cycles without sagging or premature fracturing

you must replace the existing spring with one rated for your required pressure range

Can this be used on 3/4" tubing

Superior Metering: Maintains consistent superheat to protect the compressor and maximize SEER ratings

York 1NP0459 Natural To LP Kit R-410A High-Grade Ni-Cr Alloy: Engineered toThe York 1NP0459 LP conversion kit is the critical OEM component required for field converting York, Luxaire, and Coleman gas fired furnaces from natural gas to liquid propane. This kit serves as the direct 1NP0442 replacement, ensuring that the burner manifold pressure and orifice sizing align with the higher BTU density of propane fuel. Proper implementation of this natural to LP conversion is essential for maintaining optimal combustion parameters