Uxcell 1/4" SAE x 1/4" OD x 2" Stem x 4.7" L Service Access Valve Filling Access Valves + Core & Cap Remover, 3 Pack

The service access valve is widely used in refrigeration systems of air conditioners, refrigerators, and other HVAC equipment, it allows you to have easy access to the systems for vacuum, refrigerant charging, pressure checking, and other purposes. Whether you are repairing a leak, replacing a component, or performing maintenance, it is great for you to maintain and repair the air conditioner or refrigeration system with ease and efficiency.

Advantage
Made of quality, durable material, it offers exceptional reliability and resistance against wear and tear. Its unique design allows for easy installation and removal, saving you time and hassle. The refrigeration access valve comes with a copper stem, a valve core, and a cap with core remover for added convenience and versatility.

Instruction
1. Remove the valve core and cap from the service access valve before welding as the welding heat may damage them
2. Welding the access valve to the refrigeration system, normally install it on the refrigerant charging port
3. After the access valve is cooled down, insert the valve core into the valve and use the valve cap to screw it into position
4. Vacuum the refrigeration system, then you can proceed with refrigerant charging
5. Finally install the valve cap for sealing

NOTE: Before starting any welding work on your air conditioner or refrigeration system, make sure the refrigerant has been released from the system.