Trane VAL7345 TXV 322838-753 the NBR (Buna-N) seals are

the NBR (Buna-N) seals are rated for a maximum fluid temperature of 180°F

ensuring perfect alignment with the blower wheel and drive pulley

Smith water heaters and Lochinvar hydronic equipment where a

always verify the boiler's rating plate and the valve's technical data before attempting a conversion

With a factory-set 150 PSI relief pressure and a 210°F temperature setting

Trane VAL7345 TXV 322838-753 the NBR (Buna-N) seals areThe Trane VAL7345 Thermostatic Expansion Valve is a direct OEM replacement engineered for R 410A refrigerant systems, specifically rated for 1. 5 ton capacity. This TXV valve features a 3 8 x 1 2 ODF connection and includes a 30 inch capillary tube for flexible sensing bulb placement. Designed to replace the legacy VAL08397, this externally equalized valve optimizes evaporator coil superheat by modulating refrigerant flow based on heat load. For