the relay likely needs replacement

Because these zone valve seals are prone to wear over time due to thermal cycling

Durable Capillary: High-quality sensing bulb and capillary tube offer sensitive response to ambient temperature shifts

and 4-bolt flange units

this double-pole single-throw component is a direct replacement for failing sequences in older MicroTech and commercial air handling units

ASCO 323-593 Rebuild Kit Els PW 17895 the relay likely needs replacementAs a veteran tech, you know that field repairs on ASCO solenoid valves require precision components to maintain system integrity. The ASCO 323 593 Rebuild Kit is the professional grade solution for overhauling Series 8262 and 8263 two way valves, as well as select 8040 AC series units. This OEM solenoid valve repair kit includes the vital NBR (Buna N) seals, diaphragms, and stainless steel springs necessary to resolve internal bypass issues and