Weil McLain 511-624-643 Sensor Assembly Refrigerant this 008171F switch prevents unsafe

this 008171F switch prevents unsafe operation by monitoring the air pressure differential across the blower assembly to ensure proper venting and flue gas evacuation

Its robust insulation class ensures consistent performance under continuous duty cycles

and FS6536-866

No Neutral Required: Simplifies retrofitting in older buildings where neutral wires may not be present in the switch box

Weil McLain 511-624-643 Sensor Assembly Refrigerant this 008171F switch prevents unsafeThe Weil McLain 511 624 643 Pressure Sensor Assembly is a critical OEM replacement component designed for high performance hydronic systems. This burner pressure sensor kit includes the transducer and junction box, providing the precise feedback necessary for modulating boiler control and combustion safety. Unlike standard switches, this assembly integrates a no siphon sensor design to deliver accurate static and dynamic pressure differential readings