Spluttering hot water

Hello,

I have always had mild spluttering on my hot taps, but I have just had a new Salamander CT50 fitted and it is now much worse on the bath taps. Kitchen taps is about as bad as it was before.

The salamander drives the bath taps and bath shower (previously bath taps were unpumped, just the shower).

The kitchen tap is still unpumped.

Flow rate at bath tap, unpumped is about 1l per 20 sec on hot or cold.

Pumped on cold is fine, its hot only.

I've made up some pictures, which show the set up more clearly and a photo of the top of the cylinder, where, I believe some kind of flange is required to divert of the air.

Is that right? Ideally I am looking for a solution that doesn't require any new pipe being layed. My understanding was that most of the flange solutions require exactly that?

Thanks.

Fig1.



Fig2.




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And its your flanges that stop the pump from pulling air in therefore stopping it spluttering.

You need to fit one of these to the top of your cylinder

Cheers.