Williams P323663 Safety Switch 322838-754 maintaining the strict pressure tolerances

maintaining the strict pressure tolerances and flow rates required for Weil McLain boiler parts

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Williams P323663 Safety Switch 322838-754 maintaining the strict pressure tolerancesThe Williams P323663 Safety Switch is a critical OEM vent limit protection component designed to maintain the operational safety of your gas fired heating equipment. Engineered as a safety limit switch for Williams wall furnaces and vented room heaters, this part features a high precision sensor that triggers at a fixed 200F temperature. When the exhaust gases in the vent reach this thresholdoften due to a blocked flue or inadequate draftthe switch