The size of the triangular valve: 3/8 refers to 3 points, which can be connected to a 3-point water pipe, generally used for a 3-point hard pipe on the water inlet); 1/2 refers to 4 points, which can be connected to a 4-point water pipe, generally used On the faucet with water outlet on the countertop, toilet, water heater with 4-point water inlet and outlet, massage bathtub, overall shower room and shower screen, 1/2 of the general household use; 3/4 (straight valve) refers to 6 points, which can be connected to 6 points 6-point right-angled angle valves are rarely used in general households, while 6-point straight valves are generally used for household water mains and water heaters with 6-point inlet and outlet water.
