The Vaillant timeSWITCH 150 is a mechanical 24-hour programmer suitable for use with the following Vaillant boiler :
The timeSWITCH 150 is designed to plug into the fascia of the Vaillant ecoTEC boiler range.
Please note - Vaillant timeSWITCH 150 is only compatible with the new range of ecoTEC boilers (March 2012+, please check with Vaillant).
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