and Payne residential air conditioning and heat pump systems that encounter high-pressure differentials during the start cycle

which protects connected equipment like pumps

set your meter to volts AC

eliminating the risks associated with universal "one-size-fits-all" pressure switches

Copeland 505-0446-00 Cap 320734-701 and Payne residential air conditioningIn the field, maintaining system integrity starts with high quality sealing components. The Copeland 505 0446 00 Discharge Valve Service Cap is a critical OEM compressor service part designed to protect the discharge port of Copeland Discus compressors. This steel service cap is engineered to withstand high pressure environments, featuring a 250 PSI pressure rating and a standard 1 2" NPT connection size. Built for heavy duty refrigeration and air