Williams P309600 Limit Switch Standardized Installation: Mounts directly to

Standardized Installation: Mounts directly to a standard single-gang electrical box

this OEM component ensures exact mechanical alignment and electrical compatibility within the control string

offering field-proven reliability for professional contractors maintaining fluid make-up systems

The unit must be installed in the liquid line following the flow arrow indicated on the label to ensure effective filtration through the solid core

Precision OEM Fit: Ensures an exact match for the P100100 part number

Williams P309600 Limit Switch Standardized Installation: Mounts directly toEnsure the high limit safety of your HVAC installations with the Williams P309600 Limit Switch. This OEM spec automatic limit switch is specifically engineered for Forsaire Counterflow Top Vent furnaces, including the widely serviced 3508 and 6508 series. A critical safety component, this switch features a calibrated 150190F temperature range, designed to interrupt the burner circuit if the heat exchanger exceeds safe operating thresholds. For veteran