The BTU rating on a temperature and pressure valve must always exceed the input rating of the heater

the sensor should show high resistance (over 50k ohms)

The Fasco D189 is a single-speed motor

While some Sc-series models are multi-refrigerant

Belimo G765+AFX24-MFT-X1 Valve Assembly Els PW 17895 The BTU rating on aThe Belimo G765+AFX24 MFT X1 is a high performance 3 way flanged globe valve assembly designed for demanding chilled water, hot water, and low pressure steam applications in large air handling units. This 2 1 2 inch valve features a robust cast iron body with bronze trim and a 68 Cv rating, ensuring precise linear flow control for complex hydronic systems. The assembly is powered by the AFX24 MFT X1 spring return actuator, delivering 180 in lb of