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Vaillant Eco Tec 831 has become incontinent with age.
So, a Vaillant EcoTec 831 installed in 2011. No major issues; I flush it and refill with Sentinel every year or so. Give the filter a wash and good for the winter. This time I noticed a slight drip off the casing. Opened it up and the bottom is 5mm deep and has been for a while. Hopefully, you can see the attached image; judging by the stain, the issue appears to be the crimped joint on the mains inlet losing about 2 litres every 24 hours of run-time. Is this a Vaillant part I could swap or does it need the loving touch of a professional?
View attachment Vaillant Eco Tec 831.jpg
So, a Vaillant EcoTec 831 installed in 2011. No major issues; I flush it and refill with Sentinel every year or so. Give the filter a wash and good for the winter. This time I noticed a slight drip off the casing. Opened it up and the bottom is 5mm deep and has been for a while. Hopefully, you can see the attached image; judging by the stain, the issue appears to be the crimped joint on the mains inlet losing about 2 litres every 24 hours of run-time. Is this a Vaillant part I could swap or does it need the loving touch of a professional?
View attachment Vaillant Eco Tec 831.jpg