A couple of times in the last couple of weeks, we had no hot water, either for the shower or to the sinks. The first time it happened we called out a boiler repair company, as we also needed the Glow-worm boiler serviced anyway. The chap who came ran all the Boilermate diagnostics and could find no fault, and by the time he came the hot water was working fine. The conclusion was that a sensor in the Boilermate was failing, and that we should wait for a total failure before calling him out again, to avoid wasting call-out fees. Because of the way the hot water returned, in surges, I had a suspicion that it may actually be the pump.
When the problem resurfaced, I looked at the pumps and managed to get hot water immediately by turning the heat exchange pump to full (from medium), so I got out the manual. Guess what. That pump is supposed to be on full speed. So, another thing that wasn’t done right during installation. Sigh.
The hot water has been fine for about a week now.
tags: boilermate home
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