The Vaillant 0020116882 TimeSWITCH 150 is a plug-in 24-hour analogue programmer designed to control heating systems with precision and simplicity. This compact timer allows you to schedule your boiler operation across a full day cycle, helping reduce energy waste by running your heating only when needed.
Ideal for residential heating applications, the TimeSWITCH 150 features an easy-to-read dial interface and straightforward pin-based programming. Simply set your desired on and off periods, and the device manages your heating schedule automatically. The plug-in design means no complex wiring or installation expertise required—connect directly
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