using an OEM start relay is essential to maintain the integrity of the compressor’s electrical characteristics and prevent premature windings failure

the Schneider Electric 21-928-1 Gray Cover is the required updated solution for protecting internal thermostat components

Universal Refrigerant Compatibility: Specifically rated for non-corrosive high-pressure refrigerants

this kit is specifically sized for 1/2" and 3/4" units

Heil Quaker ICP 1066490 TXV 30067439-890 using an OEM start relayThe Heil Quaker ICP 1066490 TXV is a critical 4 ton thermostatic expansion valve designed for precision refrigerant metering in high capacity HVAC systems. Engineered specifically for R 22 refrigerant applications, this OEM component maintains optimal evaporator superheat by modulating flow based on load conditions. Featuring a 3 8" x 1 2" ODF (Outside Diameter Female) sweat connection, it ensures a secure, leak resistant fit on the liquid and