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  1. S

    connecting thermostst to Vaillant Turbomax Plus 837E

    Hi. I've just got a battery operated digital thermostat and need to connect it to my combi-boiler. I assume the two wires, (L & N, it does not require an earth), from the thermostat connect to the terminal inside the boiler casing. I just need to know what terminals I should connect to...
  2. S

    Vaillant Turbomax plus 837 e

    Hi. I have a fault with this boiler. No hot water or heating. Error code, (after pressing the appropriate button), is S F6. Unfortunately cannot find the installation manual so cannot find out meaning of code and no joy on net. When I reset I hear the boiler 'starting' but nothing after...
  3. S

    Vaillant Turbomax plus 837 e

    Hi. I have a fault with this boiler. No hot water or heating. Error code, (after pressing the appropriate button), is S F6. Unfortunately cannot find the installation manual so cannot find out meaning of code and no joy on net. When I reset I hear the boiler 'starting' but nothing after...
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