Boiler rumbling

[9regmac]

Hi


im not a plumber but looking for advice



the boiler in my house is a glow worm. 5 years old. Serviced every year. No room thermostat. I have a british gas care plan but they dont seem to help just try sell me stuff.


Its coming into winter so ive turned heating up on my boiler. When i turn it up past 70 its start to make a constant rumbling noise

my boiler has a spiro tech fitted and been power flushed


wpuld appreciate some ideas so i know what it is.

 

[newcastle phill]

Call them out.
Thats what you pay for.

I don't think many will offer advice re what cause is.

 

[Scott_D]

Is it a combi or boiler and cylinder?
Do all radiators have trvs?

 

[tamz]

^^agreed^^

Not something you can do yourself even if you are daft enough to have a look

 

[Dotty]

Please read the forum rules.