York S1-7990-3591 Limit Switch 000 PSI depending on conditions

000 PSI depending on conditions

blocked return vents

and plastic tubing

when used with a standard 45

professional technicians must note that two packing spacers are required per valve body to meet original equipment specifications

York S1-7990-3591 Limit Switch 000 PSI depending on conditionsFor technicians servicing York, Coleman, or Luxaire equipment, the York S1 7990 3591 is a critical OEM furnace limit switch designed for precision thermal monitoring. This auto reset limit switch is engineered with a snap action contact system that opens at 180F and automatically closes at 150F, ensuring the HVAC blower motor and burners operate within safe operational parameters. As a genuine Source1 repair part, it offers exact physical and