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Potterton suprima failing to operate heating but is heating the water..

Discussion in 'Plumbing and Central Heating' started by gaz1234, 25 Jan 2021.

  1. gaz1234

    gaz1234

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    Will do. The switch has no resistance with or without the ch or hw on
     
  2. gaz1234

    gaz1234

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    Is it just a matter of turning the boiler and water off when replacing?
     
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  4. sxturbo

    sxturbo

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    And electric yeah
     
  5. terryplumb

    terryplumb

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    If you intend to change the complete valve ,brass body included, you will also need to drain the system to below the level of the valve position.
    And add inhibitor before refilling the system.
     
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