allowing the ignition sequence to proceed

effectively preventing liquid floodback to the compressor while mitigating evaporator coil icing during deep cycles

Using OEM York HVAC parts ensures that the electrical specifications match the system's control circuit requirements precisely

This comprehensive solenoid valve repair kit helps maintain system integrity by replacing critical wear components that are susceptible to fatigue over time

When performing a Lennox furnace exhaust repair

McDonnell & Miller FS7-4E Switch THPU32HP7Y allowing the ignition sequence toThe McDonnell & Miller FS7 4E (Part Number 120100) is a heavy duty industrial liquid flow switch designed specifically for hazardous environments. Featuring a NEMA 7 and 9 explosion proof enclosure, this unit is rated for Class I, Groups C and D, and Class II, Groups E, F, and G, ensuring safe operation in volatile atmospheres. The 1 1 4" NPT brass body utilizes a sealed tube construction and a magnetic switching mechanism to provide reliable SPDT