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High-Temperature Durability: Engineered for hot water boilers with a maximum operating temperature of 320°F
Key Benefits Ensures precise fuel delivery and thermal efficiency after natural gas conversion
and Rheem/Ruud gas furnaces and air handlers—always verify the model number on the rating plate
preventing terminal arcing and heat buildup
the SMD series is designed to monitor positive
Reznor 221158 Limit Switch Els PW 17895 High-Temperature Durability: Engineered for hotThe 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
US$ 149.47
US$ 1624.50
