Automatic Temperature Control: Components: Programmer: Notes

The Buick Custom-Aire programmer consists of a compensator, vacuum motor, vacuum relay, output linkage and control linkage all mounted on a single metal chassis. Programmer is mounted on heater case and connected to heater temperature door. Programmer has four input connections; vacuum to vacuum relay, control cable from control panel, ambient air hose to compensator assembly, and an in car air hose to compensator assembly.