this is a universal OEM replacement for multiple legacy and current furnace platforms within the Carrier brand family

while the programmable digital display offers precise setpoint management

we recommend installation by a licensed mechanical contractor

This ensures high-accuracy gas flow modulation for makeup air units and space heating systems

this kit allows contractors to restore precise superheat control without a full valve replacement

Williams P043801 Thermocouple R-22 this is a universal OEMThe Williams P043801 Thermocouple is a mission critical safety component engineered for Williams Comfort Products vented hearth heaters and furnace systems. This 23 inch OEM replacement thermocouple is designed to provide precise millivoltage output to the gas valve, ensuring that the main burner only receives fuel when a stable pilot flame is detected. For technicians working on Williams wall furnaces or room heaters, this part is a direct match for