Smart Hub Controller 8-Channel Concentrator 220V with LED Indicators for Underfloor Heating System Air Conditioner Temperature Controller Gas Boiler Circulating Pump Water Boiler Features: This equipment is used for the centralized processing of floor heating or air-conditioning thermostat signals, and transmits instructions to control the opening/closing of the floor heating electric valve and performs zone temperature control. At the same time controlling the electric valve, it can control the passive linkage of the heat pump host, the boiler and the external water pump(mixing center) or the active linkage control of the three-line one-control valve and the two-line valve. It can be controlled by pulling the code to control the three-gear delay linkage control of 0~30~45~60~120s. It can support 8-channel floor heating thermostat with 220V power supply, and the wiring is safe and convenient. It supports the display of the partition control indicator light, and the working status is clear and convenient. Specifications: Voltage: AC220±10% 50/60Hz Terminal Load: max. 3A (resistive load) Power consumption: <2W Environment Temperature: 0℃~45℃ Humidity: 5~95% (no condensation) Current Load: 3A for water heating/water boiler/gas boiler Item Size: 24 * 11 * 4.2cm/ 9.4 * 4.3 * 1.7in Item Weight: 400g/ 14.1oz Packing List: 1 * Controller