this switch provides the exact thermal response curve required to prevent premature tripping while maintaining UL-certified safety standards

lightweight design with 48-inch wire leads allows for versatile placement in tight mechanical compartments

This switch is rated for 5 Amps at 24VAC and features fine silver contact material for high-reliability switching in demanding thermal environments

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

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

York 1NP0459 Natural To LP Kit R-410A this switch provides the exactThe 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