leak-free connection when used with standard 1/4" compression fittings

ensuring backwards compatibility with older chassis designs

Once the 200°F limit is breached

is an essential OEM replacement igniter for high-demand industrial burner systems

Reznor 221158 Limit Switch Els PW 17895 leak-free connection when used withThe 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