Consisting of two units, the Duplex softeners are designed to run for at least 12 hours. In normal use one vessel is online (duty) until it becomes saturated and needs to be regenerated. Then the other vessel that has been on standby becomes the duty unit. 
Inlet/Outlet: 1.25"
Drain: 3/4"
Max Flow: 7.7 m³/hr
Pressure: 1.5 to 8 bar
Valve:  WS1.25CI
Price excluding VAT