Weil McLain 383-500-602 Temp Sensor This assembly is designed for

This assembly is designed for drop-in compatibility with Powers ETV400-10 and ETV400-15 series electronically tempered valves

Precise Thermal Calibration: Fixed 180°F cutout protects the heat exchanger from structural fatigue during restricted airflow events

Common Questions Can I use this kit for a Propane (LP) conversion

it provides the precise electrical phase shift required to optimize motor torque and operational efficiency

providing a higher safety margin for the contacts

Weil McLain 383-500-602 Temp Sensor This assembly is designed forThe Weil McLain 383 500 602 is a critical return supply temperature sensor kit engineered for precise thermal monitoring within Weil McLain Ultra and SlimFit series boilers. This 12 Kohm NTC thermistor assembly provides real time data to the control board, allowing for accurate modulation and preventing short cycling. As a dedicated boiler replacement part, it ensures the system maintains the delta T required for high efficiency condensing operation.