it delivers a high 13 Cv flow coefficient

it is necessary to retain the existing mounting hardware or order Carrier PTAC fasteners separately if yours are damaged

This kit is specifically designed for ASCO valve models 8321G001

the internal solenoid has likely failed

Trane VAL9133 Solenoid Valve Refrigerant it delivers a high 13The Trane VAL9133 is a high performance, normally closed (N C) solenoid valve specifically engineered for high pressure R410A refrigerant applications. As a pilot operated valve, it utilizes a 24V AC solenoid coil to manage large refrigerant loads with precision, making it a critical component for liquid line control in Trane chillers, condensers, and air handlers. This OEM Trane replacement part features an ODF (Output Driven Flow) connection type