8 Zones Wiring Centre - Zone Control Box Specification: ---Number of zone outputs: 8 zones ---Supply voltage 230Vac, 50/60Hz ---Output voltage 230Vac, 50/60Hz ---Max Load 4A ---Left Hand: 1 x potential free relay output ---Right Hand: 1 x independent relay output (230Vac, 3A) ---Two relays will be engaged whenever one or more thermostats stop heating activity ---Ambient temperature 0°C - 50°C Other Specification: ---Height: 110mm ---Width: 310mm ---Depth: 55mm ---Weight: 0.70kg ---Guaranteed for: 5 Years ---Operating Voltage: 230V (4A) On demand from any zone, a 230v output is provided to switch the relevant zone actuator, underfloor heating pump and valve. A volt free connection is supplied for the boiler, making it compatible with almost all types of boilers.