hi im after a bit of advice on an alpha cd28x. The boiler is on a large system the first problem was pressure relief valve leaking i have sorted this problem out by adding an extra expansion vessel as the boiler one alone was not large enough to cope with the water voloume pushing pressure above 3bar, the second thing is the boiler fires up for hot water then cuts out in about 10sec and the return get really hot, i have advised to flush the system as sounds like debri in flow vale or exchanger (heating works fine) but im wondering if any one had some other advise or offer there opinion many thanks sorry for the essay hazy
ALPHA CD28X
- Thread starter hazyfantazy
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