Typical OEM service valves of this type include the internal schrader port and cap

It is commonly used with IntelliStage systems and specific outdoor condensing units like the KIT-2144 series

If you are dealing with a TXV (Thermal Expansion Valve) system or require precision timing for sensitive industrial motors

This industrial V-belt replacement is the direct cross-reference for the A-020-6006

Schneider Electric (Erie) VT2221G13B020 Valve Assembly 30067439-890 Typical OEM service valves ofThe Schneider Electric Erie VT2221G13B020 is a commercial grade two way normally closed zone valve designed for precise hydronic control in HVAC systems. Engineered for high cycle reliability, this 1 2" NPT zone valve features a 1. 0 Cv flow coefficient, making it ideal for fan coil units and baseboard heating applications where moderate flow capacity is required. The 120V spring return actuator ensures a fail safe closed position upon power loss,