The unit is designed for versatile differential pressure monitoring

making it an ideal drop-in replacement for legacy Erie zone valve bodies

The Secop Diversitech 117U6011 Compressor Relay is a heavy-hammer type starting component engineered for high-torque motor applications in commercial and residential refrigeration

The kit provides the electrical enclosure and internal relays

McDonnell & Miller FS7-4 Switch Els PW 17895 The unit is designed forThe 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