While designed for commercial models like the Plus 100 and Gold Plus 119

Is the coil replaceable without removing the valve body

requiring a manual intervention to ensure the system is inspected before restarting

spring return open configuration

MDI Mercury Displacement 235NO-24A-18 Contactor R-410A While designed for commercial modelsThe MDI Mercury Displacement 235NO 24A 18 Contactor is a heavy duty, 2 pole switching solution engineered for high cycle industrial HVACR applications. This 35 amp mercury contactor features a 24V AC coil and is designed for normally open operation, providing a reliable interface for controlling resistive loads like electric heaters or high intensity lighting. Unlike standard mechanical relays, this mercury displacement relay utilizes a liquid mercury