Ensure reliable refrigerant service access with the Trane D155665P02 Liquid Line Service Valve. This high-quality OEM valve features .31" ODF inlet and .38" ODF outlet connections, providing a secure and leak-free interface in your HVAC system?s liquid line circuit. Designed for durability and precise fit, it supports efficient service and maintenance operations. Key Features: OEM Trane liquid line service valve .31" ODF x .38" ODF copper sweat connections Ensures secure refrigerant line sealing and access Built for durable, long-lasting performance Ideal for residential and commercial HVAC applications Specifications: Part Number: D155665P02 Type: Liquid Line Service Valve Connection Size: 0.31" ODF (inlet) x 0.38" ODF (outlet) Application: Refrigerant service access and isolation Material: Brass and copper construction Compatible Models: Compatible with a range of Trane units including: 4A6H4030G1000AA, 4TWR4060E1000BA, 4A6L6060A1COTAA, 4TWA7048A3000AB, 4TWR6042H1000AA, 4A6H4048G1000AB, 4TWR5060H1000AB, 4TTR6036A1000BA, 4TWX6018H1000BA, 4TWR7048A1000BA (and many more ? shortened for clarity) Why Choose This Item: The Trane D155665P02 is a trusted, manufacturer-approved solution to maintain optimal performance of your HVAC system. Whether replacing a worn valve or upgrading system components, this service valve delivers precision, compatibility, and lasting reliability. Ideal for HVAC technicians and system installers demanding Trane-certified quality.