A18Z 8 Channel Concentrator Hub Controller Electric Valve Control Box for Underfloor Heating System Temperature Controller This equipment is used for the centralized processing of thermostat signals, suitable for underfloor heating system, gas boiler, water boiler circulating pump, etc._x000D_ Can transmits instructions to control the opening/closing of the heating electric valve and performs zone temperature control._x000D_ Easy and fast installation, easy to use, give the family a comfortable environment and reduce energy consumption._x000D_ Simultaneous display sub-controller, power supply, output signal and other working status on one LCD screen, convenient and intuitive._x000D_ Adopts high-quality material, fire prevention, flame retardant, good chemical stability and good insulation, safe to use._x000D_ _x000D_ Maximum output current:16A_x000D_ Power supply:160-240VAC 50/60Hz_x000D_ Working environment temperature:-20-60_x000D_ Storage temperature:-20-70_x000D_ Colour:White_x000D_ Material:Plastic_x000D_ Size:28x11x4cm/11x4.3x1.6in_x000D_ _x000D_ Package Contents:_x000D_ 1 * Underfloor Heating System Hub Controller_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_