ASCO 102-855 Rebuild Kit 30067439-890 and the relief valve seat

and the relief valve seat O-ring

this is a direct drop-in component that eliminates the mounting geometry issues common with generic round replacements

including glycol concentrations up to 50%

Key Benefits for the Contractor: Full System Restoration: Includes the enclosing tube assembly and coil retainer to return used 100RB valves to factory-standard operation

such as Manual

ASCO 102-855 Rebuild Kit 30067439-890 and the relief valve seatThe ASCO 102 855 Rebuild Kit is a comprehensive field service solution designed for maintaining ASCO 2 way solenoid valves. This genuine OEM kit provides the critical internal components required to restore factory grade performance to series 8210 and 8211 valves. Engineered for normally closed (NC) operation, the kit includes a high grade NBR (Buna N) diaphragm assembly, stainless steel springs, and necessary gaskets to ensure bubble tight shutoff