Doesn't warm up

I have this unit - and it only runs cool. If I turn on the other cold taps in the bathroom (to reduce cold pressure) it improves. Is it likely to improve if I buy a new cartridge? (We've just moved in and have no clue if it was always this way . Thanks.
Asked 12 years ago by Anonymous

This cartridge is for roughly balanced systems.

 

From your description it sounds like you have a much higherpressure in the cold supply.

You probably have low pressure hot (tank in the attic) or acombi boiler and the cold is off the mains

It may not be that easy, however the easiest way for you toresolve the problem would be to fit a pressure reducing valve in the coldsupply to the shower.

http://www.showerdoc.com/tools-and-fittings/installation-items/CALEFI-533841-Caleffi-Prv-Valve-15mm-533841

Answered 12 years ago by Anonymous

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