As a direct replacement for part 2272133

This component is specifically built for 3-speed PSC (Permanent Split Capacitor) or shaded pole motors commonly found in IEC fan coil units

it is best practice to mount the valve with the coil upright to prevent the accumulation of scale or debris in the plunger tube

the VEZ-4202BMBN delivers field-proven performance and straightforward zone valve troubleshooting through its simplified two-wire configuration

When troubleshooting solenoid coil burnout or voltage drop issues

Johnson Controls T-4506-9007 Pneumatic Thermostat Freon As a direct replacement forThe Johnson Controls T 4506 9007 is a dual temperature, direct acting pneumatic thermostat designed for precision climate control in commercial HVAC systems. Operating within a setpoint range of 12 to 30 degrees Celsius, this unit is engineered for horizontal mounting and provides reliable pneumatic room control for heating and cooling transitions. As a dual pressure thermostat, it utilizes a bi metal sensing element to maintain tight differentials,