This OEM Trane expansion valve is a direct replacement for failing metering devices in legacy Trane and American Standard air handlers and heat pumps

while the extra-wide base and four intake ports—(1) 1/4"

As a veteran-preferred changeover aquastat

any cracks in the porcelain insulator or significant pitting on the rod requires immediate replacement to ensure reliable operation

ASCO 306-631 Rebuild Kit Els PW 17895 This OEM Trane expansion valveThe ASCO 306 631 Rebuild Kit is a critical maintenance solution for ASCO RedHat valve repair, specifically engineered for 8316 Series 3 way solenoid valves with a 1 4 inch NPT pipe size. This comprehensive solenoid valve rebuild kit includes high grade NBR (Buna N) elastomers, stainless steel springs, and a precision machined core assembly to restore factory spec sealing and cycle response. Designed for industrial fluid control, this kit ensures