secure housing for sensitive pneumatic control components without the inclusion of a built-in thermometer

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Nordyne 632427R Pressure Switch Els PW 17895 secure housing for sensitive pneumaticThe Nordyne 632427R Pressure Switch is a critical safety component designed for precise combustion air pressure monitoring in forced air furnaces. As a genuine Nordyne OEM replacement, this switch is calibrated to a specific 0. 55" WC (Water Column) set point, ensuring the inducer motor is generating sufficient draft before the ignition sequence begins. It features a standard SPST (Single Pole Single Throw) configuration and a 1 4" barbed connection