This unit operates on a standard 120Vac power supply and is protected by a NEMA 4X enclosure

Rugged Construction: Designed with a 3-inch probe insert specifically for heavy-duty residential and commercial air handlers

ensuring the circuit closes only when sufficient static pressure is detected to safely initiate HVAC system sequences

Operating at a fixed 3400 RPM

How do I verify compatibility with my specific York air handler

Heil Quaker ICP 1186810 Limit Switch 318973-401 This unit operates on aThe Heil Quaker ICP 1186810 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency gas furnaces and air handlers. Engineered with a 165 degree Fahrenheit open temperature and a 125 degree Fahrenheit close temperature, this L165 40 manual reset switch prevents heat exchanger overheating by breaking the electrical circuit to the gas valve when temperatures exceed safe operating limits. This OEM replacement