McDonnell & Miller FS7-4 Switch Freon This product is the switch

This product is the switch assembly itself

this SC18CLX

the NEMA 4X rating ensures the valve is protected against windblown dust

Proper installation requires verifying the temperature rating against the original equipment manufacturer's specifications to ensure the combustion blower and heat exchanger operate within safe parameters

McDonnell & Miller FS7-4 Switch Freon This product is the switchThe McDonnell & Miller FS7 4 is a heavy duty, industrial liquid flow switch designed for high capacity systems requiring precise monitoring of start stop operations. Engineered with a 1 1 4" NPT connection and a SPDT snap switch, this unit serves as a critical safety interlock for large boilers, chillers, and process cooling applications. It features a maximum operating pressure of 300 PSI and can handle liquid temperatures up to 300F (149C). The Part