Found source of drip and it was the air bleed valve. tweeked it up and it seems fine now. I was surprised by the amount of white debris in the exchanger coil and a bit annoyed to see the guy snip off about an inch of the new burner casing gasket when he replaced it during service. The manual...
Having spoken to Bosch, I wonder if the sporadic drip could be down to the flue. This is less than a metre vertical with about 20cm horizontal to a 45 degrees angled cut end. Most others I see are vertical to a cowl of some sort. Could this open pipe allow wind to blow down the flue and cause...
Further to my post dated 5 October 2010. Wife drew my attention to a water mark on the service door this week, investigation reveals a drip again! Fortunately my clear plastic modification has prevented another control panel replacement. The passing of time has revealed the true origin of the...
My Buderus 19R boiler recently flashed up a 9A fault. The main board was replaced yesterday (4Oct2010). On inspecting the faulty unit I found corrosion had affected the circuit board around the DHW (tap symbol) control knob. For some reason the setting figures, 1-10, around that knob have...
I had a Buderus condensing wall mounted boiler fitted in May 2008. Within 2 weeks the main board had been replaced, a year later the fan was replaced. October 2010, fault code 9a displayed, new board again, this time no warranty and a bill of over £200.00. I suspect a problem outside of the...