Description
The York S1-023-22459-000 is a genuine OEM 3/8″ base valve designed for the liquid side of York refrigeration and air conditioning systems. This service valve provides reliable shutoff and isolation of the liquid refrigerant line, making it an essential component for system maintenance, refrigerant charging, and service procedures.
Product Overview
As a factory-original York replacement part, this base valve is engineered to meet the precise tolerances and performance standards required by York equipment. Installing a genuine OEM valve ensures compatibility, system integrity, and long-term reliability — eliminating the guesswork associated with aftermarket alternatives.
Key Features
- Genuine York OEM replacement base valve
- 3/8″ connection size for liquid line applications
- Liquid side service valve for refrigerant isolation and system servicing
- Engineered for precise fit and compatibility with York HVAC and refrigeration equipment
- Supports safe refrigerant handling during maintenance and charging procedures
- Durable construction for long service life in demanding HVAC environments
Application
This base valve is intended for use on the liquid side of York split systems, package units, or other York refrigeration equipment requiring a 3/8″ service valve. Always refer to your York equipment documentation to confirm compatibility before installation.
Part Information
- Brand: York
- Part Number: S1-023-22459-000
- Connection Size: 3/8″
- Valve Type: Base Valve — Liquid Side







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