Tekmar® 303V Zone Valve Control, 3 Zones, 115 VAC, 40 VA

Item Features

• RoomResponse signal, compatible with all low voltage thermostats
• Compatible with 2, 3 and 4-wire zone valves, unlimited zone expansion
• Zone priority, priority override
• Post purge, LED for each zone, priority, end switch and RoomResponse
• LED for each zone, priority, end switch and RoomResponse, away signal shared between tekmar thermostats
• Four ground screws, Top, bottom and back conduit knockouts
• Fuses protect transformers and pumps
• Two spare fuses included