Description
The Carrier 330819-401 is an OEM liquid line service valve designed for use in Carrier air conditioning and refrigeration systems. Featuring a 3/8″ connection size, this service valve provides technicians with a reliable access point for refrigerant charging, recovery, and system diagnostics on the liquid line side of the refrigerant circuit.
Key Features
- OEM Carrier replacement part — ensures proper fit and compatibility with original equipment
- 3/8″ liquid line connection for precise refrigerant flow management
- Designed for use on the liquid line of the refrigerant circuit, downstream of the condenser and filter drier
- Facilitates refrigerant charging, recovery, and system pressure testing
- Durable construction built to withstand the demands of residential and light commercial HVAC applications
- Helps maintain system efficiency by providing a secure, leak-free service port
Application
This liquid line service valve is a direct OEM replacement for compatible Carrier systems. It is ideal for HVAC technicians performing routine maintenance, refrigerant service, or system troubleshooting. Always verify compatibility with your specific Carrier equipment model before installation.
Specifications
- Brand: Carrier
- Part Number: 330819-401
- Connection Size: 3/8″
- Type: Liquid Line Service Valve







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