happens with or without taps being used.
i think it's the vent fan. it spirals on for 10-30 seconds every 8min or so. whether boiler is being used or not.
preheat function is definitely off. so not that.
not sure what could be causing the Dan to come on so often.
hello
My boiler was whistling like a kettle and turning on for 30sec to pump something every 7-8min. When i say turn on it wasn't heating the water, or flame turning on etc, it was just doing something inside the boiler with sounds of things opening closing and venting etc.
Boiler guy came...
I had plumbing work done in bathroom.
My boiler now keeps turning on for 25 seconds, i can hear it doing something like pumping air or gas or something out, and then stops for 8min and then repeats.
is this normal and I'm just noticing it now and hadn't before?
everything switched off in the...
did you find a solution? i have the same problem. gravity fed water system with only 1 thermostatic tap pulsating, but other one fine.
i was told by plumber it might be the lack of water pressure due to 15mm plumbing to that tap (other one is 22mm supplied) or due to a faulty thermostatic valve...