York S1-168802 Expansion Valve 320788-703 ensuring a faster "first-time fix"

ensuring a faster "first-time fix" on the job site

though it can be adapted for line-voltage applications including unit heaters and cabinet heaters using a secondary relay kit

this OEM Lochinvar replacement part prevents frequent "No Flame" errors and nuisance shutdowns caused by drifting tolerances found in aftermarket alternatives

It allows the technician to calibrate the start point and span

25-inch face uses red and blue color-coded scales for rapid diagnostic checks of system vitals

York S1-168802 Expansion Valve 320788-703 ensuring a faster "first-time fix"Secure precise refrigerant metering for your commercial HVAC equipment with the York S1 168802 Expansion Valve. Designed for high performance thermal management, this thermal expansion valve (TXV) is engineered to regulate R 410A refrigerant flow into the evaporator coil with exacting precision. The ODF connection (Outside Diameter Fitting) ensures a reliable, leak resistant braze joint, making it a staple for technicians maintaining 5 ton York air