The Siemens RWB27 timeswitch. The world-leading brand offers functional and reliable products that can achieve massive savings on your heating bills. Menu driven programming Backlit display Simple operation 24-hour, 7-day or weekend/weekday program Two or three ON/OFFs per day Holiday programming LED ’ON‘ light Advance facility Boost facility Override facility Independent timing for hot water and central heating Gravity or fully pumped systems Ideal for combi boilers Also selling thermostat & wireless receiver on a separate listing. Thank you for looking
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