Would appreciate any opinions on the cause of this noise in a Vaillent Ecotec Plus 618 system boiler.
It’s very intermittent maybe occurring for about 1-2 minutes every so often (maybe every 30-60 mins when the heating is on).
Boiler about 4 years old; works perfectly otherwise; regularly serviced.
The noise stops at 00:50, starts 8s later then fades soon after on the video.. I recorded on for a bit.
Thanks!
It’s very intermittent maybe occurring for about 1-2 minutes every so often (maybe every 30-60 mins when the heating is on).
Boiler about 4 years old; works perfectly otherwise; regularly serviced.
The noise stops at 00:50, starts 8s later then fades soon after on the video.. I recorded on for a bit.
Thanks!
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