Low pressure to non-concussive tap...

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evening all...

Had a look at a Grohe push button tap today (they were changed recently apparently - and since then, pressure has been poor).

The tap is fed from a mixer valve under the sink.

Took the pipework apart at the isovalves and checked the incoming pressure before the mixer valve. Cold is fine, hot was a bit "spluttery" and the flow rate was poor.

I tried adjusting the mixer valve (using the allen key hole in the middle) to no avail. Turning it towards cold made the flow better (producing cold water from the tap obviously).

Would a fair assessment be, there needs to be a low pressure mixer valve installed rather than the possible normal pressure one there at the moment?

Tar!
Al
 
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