Does this valve require a separate transformer

set-screw loosening

What is the pressure range

Regular inspection during annual maintenance is recommended

Carrier 16416 Plug R-407C Does this valve require aThe Carrier 16416 Plug is a critical OEM component designed for specific Carrier fan motor assemblies and HVAC control systems. This specialized HVAC wire harness connector ensures a secure, vibration resistant electrical connection, preventing intermittent signal loss in high demand residential and commercial applications. As a genuine Carrier replacement part, it meets exact factory specifications for pin configuration and housing durability,