Watts F274751 Valve

The 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 required for pumps, chillers, heat exchangers, and process equipment.

Contractors frequently install this HVAC flow switch in closed-loop water systems to help protect equipment from low-flow or no-flow operating conditions. The compact inline design supports integration into commercial mechanical rooms and process piping systems where consistent flow verification is critical for system safety and operational control.

• OEM Watts 174A flow switch
• 3/4" connection size for hydronic and fluid systems
• Designed for HVAC, boiler, and chilled water applications
• Helps monitor and verify system flow conditions
• Used for pump, chiller, and process equipment protection

Common Question:
What is the purpose of the Watts 174A flow switch?
It is used to confirm fluid flow within a piping system and can trigger or interrupt equipment operation if proper flow conditions are not present.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

F274751 is the cross for 0274751