Uponor A3031004 Zone Control Module, 4 Zones, 2 and 4 Wire, 24 VAC

Item Features

• A connection to the power supply transformer
• Interconnections between the individual thermostats and their respective MVAs, thermal actuators or zone valves
• The connection between the end switches and the pump or boiler relay
• 18 ga wire size
• Dry contact equivalent nominal 24 vac 2 amp maximum end-switch circuit
• 2 and 4 wire operation