High Voltage Duty: 440VAC rating handles voltage spikes more effectively than standard 370V units

eliminating the risks associated with generic aftermarket springs

The VMD1B-C24A Relay is commonly paired with the VBD1B-C socket

For technicians and contractors servicing International Comfort Products (ICP) equipment

Its two-piece compression design—utilizing a heavy-duty nut and sleeve—provides superior vibration resistance and mechanical stability in high-demand boiler and furnace environments

Johnson Controls T-4756-2141 Plastic Cover High Voltage Duty: 440VAC ratingThe Johnson Controls T 4756 2141 Plastic Cover is a professional grade replacement faceplate engineered specifically for the T 4000 Series Pneumatic Room Thermostats. Designed for horizontal mounting applications, this beige plastic cover provides a clean, secure housing for sensitive pneumatic control components without the inclusion of a built in thermometer. It features two setpoint windows, allowing for clear visibility and access to dual dial