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As a direct replacement limit switch
allowing for immediate replacement during heat exchanger inspections without the delays of individual part sourcing
It is rigorously tested for compatibility with Weil McLain boiler models including the AHE
providing reliable resistance-based output for chilled water
Reznor 196654 Pressure Switch Els PW 17895 As a direct replacement limitThe Reznor 196654 Pressure Switch is a critical safety component designed for precise combustion air proving in Reznor HVAC unit heaters. This SPST (Single Pole Single Throw) pressure switch is factory calibrated to a . 42" WC (Water Column) set point, ensuring the inducer motor generates sufficient static pressure before allowing the ignition sequence to proceed. Engineered with dual 1 4" barb connections, this switch facilitates secure differential
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