Replacement rotary potentiometer used to operate the servo-style heater control valve in Vintage Air Gen II systems. Restores proper temperature blend control when the original pot becomes worn or unresponsive. Designed as a direct plug-in component with the correct rotation range for smooth heater valve modulation.
• For Vintage Air Gen II systems
• Controls servo-operated heater valve movement
• Restores smooth temperature blend adjustment
• Direct replacement, no rewiring required


Closed Saturdays, back again Nov 7. Closed Thanksgiving Monday.
We stock Element fire extinguishers! They're the size of a jumbo hot dog and leave no residue.