While it prevents reverse fluid flow

Short Cycle Protection: Protects the HVAC compressor by enforcing a necessary delay before restart

the assembly includes a 3/8" NPT high pressure connection

This kit is the direct replacement for 100146371

though always verify local lead-free compliance for specific jurisdictional requirements

Heatcraft Refrigeration 1007660 Relay R-407C While it prevents reverse fluidThe Heatcraft 1007660 Start Relay is a critical electrical component designed for single phase compressor motor starting applications within commercial refrigeration systems and heavy duty HVAC equipment. As a genuine OEM replacement part, this motor starting relay is engineered to meet specific pick up and drop out voltage parameters, ensuring the start capacitor is engaged only for the precise duration required to reach operational RPM. This