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  1. M

    Help with Vaillant ecotec plus 937

    so just had a quick tot up of all the rads in the house roughly based on what i can remember of size and possibly the total of the rads is about 41000 BTU so 12kwh! so the boiler was really oversized to start with!
  2. M

    Help with Vaillant ecotec plus 937

    Done! Is the short time between burns an issue?
  3. M

    Help with Vaillant ecotec plus 937

    I've just been sat watching the boiler and it seems to be cycling very often. The burner comes on for 1 minute then about 2:40 later it starts the burner again. Just calculated between the 2 rads in Livingroom with trv's and the 2 towel and the hall I have 4.5kwh with bedroom 1 on its 5.6kwh...
  4. M

    Help with Vaillant ecotec plus 937

    Hi both enabled on the evohome controller at the moment only 2 rooms actually have any sort of heating schedule livingroom and bedroom 1 all the rest are set to 15 degrees basically dont want them to come on as we dont really use them and if we do we just use local override on the trv. Also...
  5. M

    Help with Vaillant ecotec plus 937

    Hi I have a Vaillant ecotec plus 937 its a gen 1 version as far as im aware so doesnt have the menu on the display like the later version. Anyway it was installed in a new build 6 years ago 4 bed detached with 2 adults. last year i installed evohome (with opentherm) using ATP921R3100...
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