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  1. S

    Vaillant Hot Water Mode

  2. S

    Vaillant Hot Water Mode

    The potterton unit is no longer attached. This has been replaced by a tado extension attached to the + and - terminals of the eBus as instructed by tado.
  3. S

    Vaillant Hot Water Mode

    I enclose some pictures below:
  4. 177C2A43-0F34-4E96-9E3B-AF2767B37B78

    177C2A43-0F34-4E96-9E3B-AF2767B37B78

    Built in vaillant programmer
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  5. B3E76B8D-D6F1-4344-B454-A6773634F2D3

    B3E76B8D-D6F1-4344-B454-A6773634F2D3

    The connector joining the relay valves to the control unit and the boiler
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  6. C187DC35-75ED-40DA-AEFC-C5FC61341F67

    C187DC35-75ED-40DA-AEFC-C5FC61341F67

    The connector joining the relay valves to the control unit and the boiler
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  7. 2BCA87EB-FFCA-45BC-AA0B-9EC4C649AE18

    2BCA87EB-FFCA-45BC-AA0B-9EC4C649AE18

    Pump (leaking)
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  8. A2721C41-6FFB-4A64-B9C4-0CDBCF23B665

    A2721C41-6FFB-4A64-B9C4-0CDBCF23B665

    Potterton. This has been disconnected.
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  9. 46F05427-4FF7-490E-B527-CDDE7814098A

    46F05427-4FF7-490E-B527-CDDE7814098A

    Cylinder
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  10. 0632E667-F180-4BA4-8163-FF971F21E4F8

    0632E667-F180-4BA4-8163-FF971F21E4F8

    Cylinder and pipework
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  11. D43E1393-C500-4D8A-B6E6-ACB57DE556A4

    D43E1393-C500-4D8A-B6E6-ACB57DE556A4

    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  12. D53E1C92-8B9E-4D11-AC1B-F3D6DFD4DB1A

    D53E1C92-8B9E-4D11-AC1B-F3D6DFD4DB1A

    Pipework and valves
    • Simon_NoWH
    • Media item
    • Comments: 0
    • Album: Vaillant Tado system
  13. Vaillant Tado system

    Vaillant Tado system

  14. S

    Vaillant Hot Water Mode

    I don’t know. How do I tell? I imagine the whole thing was working fine before the old owners moved out? The boiler was controlled by a Honeywell evohome system. This was wired to a thermostat BDR91A1000 and a Potterton EP2 controller was attached, but the potterton didn’t seem to control...
  15. S

    Vaillant Hot Water Mode

    I have just bought a house with a Vaillant ecoTec 637. The previous owner had some terrible Honeywell system installed but took all the controllers. So I can’t control the system, and in particular I can’t get the hot water on, no matter what I do. I had previously used a tado system, so I have...
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