including the Reznor RA

preventing the ignition of the gas valve under unsafe conditions

While a faulty 0130F00506S switch can cause this

OEM Compatibility: Designed specifically for Carrier-family equipment

the 240011102 is designed for electronic spark ignition systems

Rheem-Ruud 42-105601-24 Pressure Switch Els PW 17895 including the Reznor RAAs an experienced tech, you know that a failing Rheem Ruud 42 105601 24 is often the culprit behind a furnace lockout or a fault code 57. This negative pressure switch is factory calibrated at a 0. 20" WC pressure rating, serving as a critical safety limit for verifying induced draft blower operation. Designed with a Single Pole, Single Throw (SPST) configuration, it monitors air displacement through the collection box to ensure combustion gases are