York S1-024-23224-000 Rollout Switch Technical field inspections often reveal

Technical field inspections often reveal that worn or pitted cams lead to erratic switch firing or failed burner shutdowns

Accurate diagnosis requires testing with a multimeter to ensure the microfarad reading remains within the +/-5% tolerance range

and electric heat stages

while the Watts 0556030 provides vacuum relief

Whether you are managing fan sequences or complex interlocking safety circuits

York S1-024-23224-000 Rollout Switch Technical field inspections often revealThe York S1 024 23224 000 Rollout Switch is a critical safety component designed for high limit thermal protection in residential and light commercial gas furnaces. This fixed temperature limit switch is calibrated to trip at 370F, effectively breaking the 24V control circuit to the gas valve if it detects flame rollout or excessive heat buildup near the burner assembly. As a genuine OEM York replacement part, it ensures direct compatibility with