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    Viessmann Vitodens 100 WB1A from 2008 broken. Ideas?

    Hi all, I came down in the morning to my Viessmann's fan running flat out, but no heating, and a completely blank display (so no error code!) and no lights illuminated. With these symptoms, I assumed it was the PCB so bought a brand-new-sealed-old-stock one and fitted it this morning. My...
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    Cylinder drain cock tapping - parallel thread

    Hi all, My nice new Gledhill copper cylinder has a tapping for a drain cock. This tapping is 1/2" BSP female parallel threaded. I naively thought the drain cock I bought https://www.toolstation.com/made4trade-mt-cock-type-a/p83905 would come with a tapered thread, but no, it's parallel too...
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