Utilizing a 24Vac power open/power closed actuator mounted on the 10-inch side

Are there specific units for this industrial HVAC cooling fan

This valve assembly is frequently utilized in fan coil units and small reheats where tight shut-off and high rangeability are required to maintain system efficiency and stabilize discharge temperatures

an open circuit or high resistance (typically over 90-100 ohms for this style) indicates the ignitor assembly has failed and requires replacement

It is engineered to handle water and light oil with a pressure rating of 0 to 120 PSI

Watts F274751 Valve 319847-401 Utilizing a 24Vac power open/powerThe Watts F274751 174A flow switch is a 3 4" liquid flow control device designed for HVAC, boiler, hydronic heating, chilled water, and industrial fluid system applications. Commonly referenced as the Watts 174A flow switch, this unit is used to monitor fluid movement and activate or deactivate connected equipment based on system flow conditions. The 125 FS configuration is widely applied in circulation systems where dependable flow proving is