Caleffi553140 Automatic Filling Fitting 1/2 Inch Calcification Insensitive Internal Preset with Pressure Gauge

Caleffi 553140 Automatic Filling Unit 1/2'' with Manual Cock, Strainer, Check Valve.and Pressure Gauge

1/2" x 1/2" inch Union Pipe Connection Pipe Nipple Wire Carpenter Brass Fitting BSP Male