This duo-closure washing machine shutoff valve is used in washing machine applications to manually control water flow and pressure from the hot and cold water supply piping to the flexible hoses feeding a washing machine. It prevents the washing machine hoses from bursting thereby preventing water damage to the home. It consists of a washing machine shutoff valve with 1/2 in ell solder connections, a single Duo-Cloz lever to control shutoff of both hot and cold water supplies, adjustable stud mounting brackets and water pressure test plugs. Includes a decorative white faceplate that can be painted or papered to match wall decor. The maximum pressure is 150 psi.