ASCO 102-855 Rebuild Kit 30067439-890 Universal Core Compatibility: Both 1/4"

Universal Core Compatibility: Both 1/4" male flare ends are pre-threaded to house standard valve cores for versatile HVAC system access

The unit is secured and adjusted using a standard 2mm Allen key and specialized Danfoss limiting pins to lock the dial range or fix the set-point

Operating with a fixed 15°F differential

" This often occurs due to diaphragm fatigue or moisture buildup in the sensing line

or the burners shutting down immediately after a brief flame light-off

ASCO 102-855 Rebuild Kit 30067439-890 Universal Core Compatibility: Both 1/4"The 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