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Baxi 105e Instant Combi boiler no hot water.

Discussion in 'Plumbing and Central Heating' started by DrGonzo98, 19 Feb 2018.

  1. DrGonzo98

    DrGonzo98

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    We have a Baxi 105e instant combo boiler that’s suddenly stopped producing hot water. Central heating is fine but the boiler doesn’t fire up when you turn a tap on.

    If I turn the pre heat on full the boiler does fire up (hot water light flashes constantly), however I only get a small amount of hot water.

    Baxi have quoted £340 to fix.

    Could this be a diaphragm or is it something more expensive?
     
  2. rochdalegas

    rochdalegas

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    Quite likely to be just the diaphragm. Whip front cover off. Turm on hot tap you should be able to see the pin come out on divertor and make the switch
     
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  4. DrGonzo98

    DrGonzo98

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    Do you know which Diaphragm I need part number wise?
     
  5. rochdalegas

    rochdalegas

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  7. DP

    DP

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    A service might be a good idea. Service as per the boiler manual
     
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