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  1. heating12

    vailant eco tec plus 642 f28 help !!

    hi mate yeah i know i just signed up to this site yesterday ,seems good lots of engineers on here , i am waiting for my approval to combustion chamber have sent over my card details , turned out it was meter govner transco changed for me today, fluctuating pressures i had a standing of 38 mbar...
  2. heating12

    all heating + gas work undertaken ,gas safe registered ,boiler breakdowns ,repairs ,servicing...

    all heating + gas work undertaken ,gas safe registered ,boiler breakdowns ,repairs ,servicing ,system upgrades ,powerflushing with kamco c90 ,heating installs email [email protected]
  3. heating12

    biasi combi boiler m90f.28s slowly losing CH pressure...?

    could be the expansion vessel pressure needs checking ,if its wrong will disharge at 3 bar
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    work

    some installs
  20. heating12

    vailant eco tec plus 642 f28 help !!

    hi have any engineers had a f28 on vailant ecotec plus 642 ,spoke to vailant technical yesterday they said it was the board as i had no voltage from board to gas valve changed board she fired !!,customer calls back today f28 they reset and it works but not on the time clock ,called vailant back...
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