While a faulty 0130F00506S switch can cause this

once compressed and heat-cycled

blue pilot flame

Industrial Durability: Equipped with laser-welded stainless steel bellows for increased resistance to fatigue and vibration

this component is a reliable HVAC replacement part for maintaining system safety and optimizing blower motor cycles

Rheem-Ruud 42-105601-24 Pressure Switch Els PW 17895 While a faulty 0130F00506S switchAs 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