the inlet end 26 and at the outlet end 28 the valve body 24 has a straight flow through passage 30 enlarged at the ends and threaded at 26 and 28 located within the flow passage 30 is a ball or closure member valve 32 having a flow through passage 34 the valve body 24 at the center thereof has an enlargement or lug 38 in which is mounted a spindle 40 the lug 38 has a pair of stop abutments 35 36 the spindle 40 has an upper end 42 and a lower end 44 which is attached to the ball or closure member 32 as illustrated in fig5 and 7 as will be explained later the rotation of the spindle 40 is effective to rotate the ball 32 so as to open the ball valve 22 to align the ball passage 34 provided therein with the flow passage 30 provided in the valve body 24 the water inlet line is 12 threadedly connected to the inlet side of the valve 22 as best shown in fig1 the threaded end 18 of the pipe 14 is provided with a fitting 50 having an externally threaded end 52 to permit the valve mechanism 10 to be connected to the inlet fitting 54 of the hot water tank 14 by a threaded member 56 the hot water tank 14 has other fittings 58 and 60 which permit the tank 14 to be connected to appliances which use hot water such as a dishwasher and a supply line providing hot water to a sink as an employee the lower end of the tank 14 has a.