Durable Construction: High-grade materials designed for the high-thermal stress of industrial HVACR duty cycles

30" WC to meet specific manufacturer blower curve requirements

non-fluctuating temperature control without the need for external mechanical activation

a full pump replacement may be required

Velocity Boiler Works (Crown) 230122 Sensor Freon Durable Construction: High-grade materials designedThe Velocity Boiler Works (Crown) 230122 Supply NTC Sensor is a critical OEM replacement part designed for high accuracy temperature monitoring in Crown Boiler Freedom Series hydronic systems. This negative temperature coefficient (NTC) thermistor, model TSA00B9, provides the control board with real time supply water data to modulate firing rates and prevent thermal overshoot. Utilizing a corrosion resistant stainless steel probe, the sensor is