Mueller Industries A15631 Inline Check Valve 5/8" ODF

The Mueller Industries A15631 Inline Check Valve is a flow control component designed to regulate refrigerant movement through connected piping system. It allows fluid to travel in intended direction while restricting reverse flow that could affect system performance. Used in HVAC systems this valve connects within refrigerant lines to maintain proper circulation and pressure balance throughout the equipment arrangement. The 5/8" ODF connection size allows it to fit specific tubing configurations, creating a secure pathway between line sections and supporting controlled refrigerant flow within the system.