Consistent performance of this replacement door switch is essential for preventing system lockouts and ensuring the unit meets factory safety standards during routine inspections

featuring a robust Parker valve diaphragm and plunger assembly designed to restore tight shut-off and precise flow control

Compatibility is determined by the valve series prefix (such as EF8210) and the voltage requirements found on your existing nameplate

this is a thermal safety switch and operates independently of the fuel source (Natural Gas or Propane)

Industrial Build Quality: Encapsulated solid-state circuitry protects against vibration and moisture in boiler rooms and mechanical pits

Johnson Controls A-4423-1 Air Dryer THPU32HP7Y Consistent performance of this replacementThe Johnson Controls A 4423 1 Air Dryer is a critical component for maintaining the integrity of pneumatic control systems by effectively removing moisture and preventing line freeze ups. This refrigerated air dryer utilizes a hermetically sealed compressor and R 134a refrigerant to provide consistent compressed air treatment for building automation and HVAC controls. Operating on a standard 115 Vac power supply, it is designed for a 125 psig maximum