Installing a switch with a higher trip point can lead to hazardous operating conditions and heat exchanger fatigue

making it a more versatile alternative to smaller 1-1/8" or 1-3/8" cutters

using a 12VDC coil on a 24V circuit will lead to immediate overheating and failure

ensuring the logic-gate timing aligns perfectly with your specific York or Coleman model

using this genuine ProTech OEM part ensures exact electrical and vacuum port alignment

Lochinvar & A.O. Smith 100027861 Gas Valve Els PW 17895 Installing a switch with aThe Lochinvar & A. O. Smith 100027861 Gas Valve is a critical combustion control component engineered for precise fuel regulation in high efficiency heating systems. As the direct OEM replacement for legacy part 078482 002, this 1 1 2" gas valve features robust NPT connections and a durable brass body built for industrial and commercial environments. Designed to interface seamlessly with HVACR equipment, the 100027861 manages negative pressure gas