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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
verify your specific installation requirements
and HDS series heaters where reliable high-limit sensing is non-negotiable for system longevity and code compliance
a dedicated bi-flow drier should be used
Internal Pressure Equalization: Simplifies installation in systems where pressure drop across the evaporator is negligible
Reznor 221158 Limit Switch 30067439-890 verify your specific installation requirementsThe 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$ 290.00
US$ 622.50
US$ 167.50