The Genuine Siemens RWB27Si Electric Timeswitch is a programmable thermostat designed for central heating radiators. It features a digital control style with an adjustable thermostat and 7-day programmable days. The white switch has a 2.95-inch display and operates on a 240-volt corded electric power source. This wall-mounted device is made of plastic and includes mounting hardware for easy installation. With a rectangular shape and temperature sensor technology, this Siemens timeswitch is compatible with a range of heating systems and offers smart home compatibility with KNX protocol.
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