A licensed HVAC technician must perform the swap and conduct a combustion analysis to ensure the system is operating safely

Using an AC coil or the wrong voltage will lead to intermittent switching or coil failure

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

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

7B proportional control switch that provides a 135-ohm potentiometer signal

Johnson Controls A-4423-1 Air Dryer THPU32HP7Y A licensed HVAC technician mustThe 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