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protecting the heat exchanger from high-limit excursions and potential thermal stress
The Reznor 196654 Pressure Switch is a critical safety component designed for precise combustion air proving in Reznor HVAC unit heaters
or water lines
standardizing the defrost cycle regardless of the cut-out adjustment
It features 36-inch leads with a specialized 2-pin ceramic block connector
Reznor 197078 Flow Switch Els PW 17895 protecting the heat exchanger fromAs a veteran technician, you know that a failing pressure switch quickly shuts down a job site. The Reznor 197078 Air Flow Switch is the primary safety mechanism for ensuring proper draft and venting before the burner cycle begins. This genuine OEM part is engineered with a specific 0. 80 IN WC set point, calibrated to the rigorous tolerances required for Reznor UDX, UDZ, and older unit heaters. Operating as an SPST contact type (Single Pole Single