37"wc rating exactly as specified by the manufacturer for your specific model

What are the symptoms of a failing blower wheel that requires replacement

ensuring a precise fit and reliable thermal transfer

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

ensuring backwards compatibility with older chassis designs

Reznor 221158 Limit Switch Els PW 17895 37"wc rating exactly as specifiedThe 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