Regin test point plug X38

A component used in heating and HVAC systems. a test point plug designed to seal test points in a system. Test points are locations in a heating system where pressure or temperature readings can be taken. The X38 designation refers to a size or model of the plug. The plug is used to seal these test points when they are not in use, preventing leaks and maintaining the system's integrity. commonly used in the installation and maintenance of heating systems to ensure accurate and reliable readings during testing and diagnostics.