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Mend Vaillant Connect Thermostat Wiring

Connect external Thermostat Vaillant TURBOmax GB 242/1E?

I need to connect an external thermostat to the above boiler but don't have a manual. does anyone have the wiring schematics?

Alan - alan.cope@wates.co.uk
February 2009
VaillantHeating, Home Heating SystemsConnect Thermostat Wiring
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