Reznor 221158 Limit Switch Els PW 17895 this assembly features a premium

this assembly features a premium ceramic insulator and a high-temperature silicon nitride ignitor element designed to withstand rapid thermal cycling without premature failure

ensuring stable performance under significant inductive loads

Heavy-duty solid-state timing circuit resists electrical noise and temperature-induced drift

and Rheem/Ruud gas furnaces and air handlers—always verify the model number on the rating plate

ensuring secure data logging and rapid fault finding without the latency of wireless alternatives

Reznor 221158 Limit Switch Els PW 17895 this assembly features a premiumThe Reznor 221158 is a professional grade 145F manual reset limit switch designed for critical thermal protection in industrial and commercial HVAC systems. This genuine Reznor OEM component acts as a primary safety control, monitoring the heat exchanger and air plenum to prevent hazardous overheating conditions. Engineered with a fixed 145 degree Fahrenheit trip point, the switch interrupts the control circuit if internal temperatures exceed the safe