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maintaining consistent normally closed (NC) continuity during standard operation
offering field-proven reliability for professional contractors maintaining fluid make-up systems
Standardized Installation: Mounts directly to a standard single-gang electrical box
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
Williams P309600 Limit Switch maintaining consistent normally closed (NC)Ensure 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