Called out to a breakdown today,gas boiler not working.
Tested the boiler,found electric fault,loose neautral wiring connection to wiring centre on boiler.Remade the connection,tested left working.
When working on the boiler the customer asked me why sections of the radiators are cold and parts hot?
I explained that the system needed to be flushed,i recommened a power flush
while removing air from the radiators you could see by the colour of the
water that sludge was present.Checked expansion tank in loft also open
vent and cold feed,found no signs of pumping over,recommend after flush
inhibitor be used on completion of job.Estimate given customer to decide
when job to proceed.
Ken.
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