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Unvented Undersink Water Heaters. For D.I.Yers.

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Carrying on from a recent thread about the potential dangers of amateurs installing unvented undersink water heaters incorrectly….. Click on this

 

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    About 3 years after our Worcester Bosch floor standing combi (gas) had been installed by one of their accredited installers we had a leak. This was rectified but had various other leaks - all o-ring failures for the next few years. Each time requiring attention by WB.

    Then the next attending engineer after fixing the leak, asked if we were on a water meter?  On the answer being yes, he asked where the expansion vessel was…… There wasn't one. Yet in the Installation manual it says that one is required. 

    So why don't they fit one internally?

    This must be the analogy of PME by stealth……  ?

    Clive  

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  • 0

    About 3 years after our Worcester Bosch floor standing combi (gas) had been installed by one of their accredited installers we had a leak. This was rectified but had various other leaks - all o-ring failures for the next few years. Each time requiring attention by WB.

    Then the next attending engineer after fixing the leak, asked if we were on a water meter?  On the answer being yes, he asked where the expansion vessel was…… There wasn't one. Yet in the Installation manual it says that one is required. 

    So why don't they fit one internally?

    This must be the analogy of PME by stealth……  ?

    Clive  

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