Honeywell Home 2-Port Motorised Zone Valve 1/2 Inch BSP V4043C1156/U (3 Wires)
1/2in BSP female connection. The V4043C is a motorized two-port zone valve with 1/2" threaded connections. The valve can be plumbed at any angle however the powerhead should not be below the horizontal level of the pipework.