Boiler question

Simba-ali34 · 30 November 2017 at 8:30PM

Hello,

So my boiler is 6 months old, when i switch the heating on the boiler fires up(potterton promax combi 33) and it whistles for about 30 seconds, then every time I run the hot tap or it boots up for the central heating there is a slight bang sound and whistling for 10 seconds. The bang is very little but I read boilers shouldnt bang at all. Is this correct? Ive always thought slight banging was normal?

Alex1983 · 30 November 2017 at 8:47PM

Ring the manufacturer and get them out on warranty, sounds like the low gas rate is out.

Simba-ali34 · 30 November 2017 at 9:21PM

Sorry, low gas rate? Is this a big problem?

Alex1983 · 30 November 2017 at 9:44PM

It’s the amount of gas it’s using, the gas valve would need adjusting. Nothing big but will need the manufacturer coming out to do it under warranty.

Simba-ali34 · 30 November 2017 at 9:59PM

Oh OK, if it is gas rate is this a safety issue by the sounds of it? Thank you for taking the time to reply. Appreciated

Alex1983 · 30 November 2017 at 10:16PM

If it is that then it could cause the boiler to lockout, just ring the manufacturer tomorrow and they will send some one to check it.

Johnhowell · 1 December 2017 at 8:07PM

Maybe first get the installer back to carry out the correct adjustments at commissioning before calling the manufacturer.
I had a manufacturer's engineer come out only to say "not installed correctly" and walked away - he will only correct any manufacturing fault.

Good luck

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