Compact design; Quarter-turn valves; designed to fit cold expansion PEX fitting for PEX-A tubing only Easy to remove test plug; Can be converted to a center outlet by rotating box 180� Includes mounting brackets and frame Meets or exceeds IAPMO PS 54-2015, ASME A112.18.1-2018, and CSA B125.1-18 cUPC listed WMOB RD QT 1/2 WIRSBO