Filter Valves Model: 2W-10, 2W-15, 2W-20, 2W-20, 2W-25, 2W-32 Sizes: 3/8", 1/2", 3/4", 1", 1-1/4" Voltage: 240VAC, 220VAC, 24VAC, 24VDC, 12VDC Coil material: copper Connection method: wired