The STV Valve Update Kit converts the original STV (Suction Throttling Valve) to a cycling clutch type system.

Easy to install by removing the internal parts from original valve and installing update kit into original valve.

When updated, the valve retains it’s original appearance and works as needed for newer refrigerants.
The STV Update Kit includes all necessary internal parts, gasket and recommended sealant.

Features:
Replaces suction throttling valve
Converts original STV to cycling clutch type system
Easy to install
Keeps original appearance
Works with newer refrigerant
Includes hardware, parts, and sealant