In the Gardena Valve Box V3, either three 24 V Irrigation Valves (Art. No. 1278-20) or three Irrigation Valves 9 V (Art. No. 1251-20) can be installed below ground. Water supply can be made from three sides. The telescopic screwed connection allows easy valve mounting and removal. The junction box is waterproof and allows easy and tidy 24 V cable connection. Through the central drain cap, the supply line can be emptied before the first frost of the season. The cover can be locked for child safety. The Gardena Valve Box V3 has a 1" male thread. SpecificationsDiameter: 1"Thread: 1" Male Features and BenefitsVariable water supply - water supply can be made from three different sidesEasy installation - the telescopic screwed connection allows easy valve mounting and removal of the Irrigation ValvesEasy and safe cable connection - the junction box is waterproof and allows easy and tidy 24 V cable connectionFrost protection - through the central drain cap, the supply line