574206A Caleffi 574 Autofill Valve Combo 1/2" Press, No Gauge.

Caleffi 574 AutoFill Combo. Pre-adjustable automatic filling valve with testable reduced pressure zone backflow preventer with air gap. Brass body. Max. working pressure: 150 psi. Max. working temperature: 150 °F. Setting pressure range: 3-60 psi. Preset outlet pressure: 15 psi. Pressure gauge scale: 0-60 psi / 0 - bar.