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Aqualisa Cartridge Do I need to change it?

Discussion in 'Plumbing and Central Heating' started by bennc, 7 Feb 2009.

  1. bennc

    bennc

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    Hi there

    I've just replaced my old regular boiler for a new combi boiler and have been told that I need to change the grey cartridge (part no 022801) in my shower, which is an Aqualisa Aquatique for a pink cartridge (022801). The thing is though when I turn my shower on with the new combi (WBosch 37CDi) it works fine and has good pressure. Why in that case do I need to change it? What does the pink one do differently to the grey one?

    Thanks in advance
    Ben
     
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  3. headache5678

    headache5678

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  4. bennc

    bennc

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    Thanks for the reply. Yes I guess that proves what I was told was correct and the pink cartridge is the correct one for my combi setup. Just seems starnge though as it appears to work fine with the existing grey one.
    Cheers
     
  5. cashjob

    cashjob

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    If it ain't broke, don't fix it. If you are happy with it, why spend 80 quid + VAT + postage?
     
  6. Dan Robinson

    Dan Robinson

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    I agree with cashjob... it is working then fine...
     
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  8. steve32

    steve32

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    the grey stat is fine
    the holes in the pink stat are smaller on the cold side to balance supplies.
    combis and water heaters reduce flow to allow water to heat, on some showers you fit pressure reducers on the cold this is what the pink stat does
    the hot and cold need to be balanced at showers.
    the higher the kw rating off the appliance the better the hot water flow rate.
    you only need to fit a pink stat if the water at the shower will not get hot this normally applies to multi points and lower output combis

    hope this helps

    steve
     
  9. self builder 123

    self builder 123

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    Hi

    There is a chance that the cold water regulator, which comes with the Aqualisa shower systems, was fitted inside the cold supply to the shower valve.

    This may explain why the grey cartridge is working as expected ?

    Which model of Aqualisa shower do you have ?
     
  10. steve32

    steve32

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    the aquarian thermostatic 1999-current has flow regulators
    this is the aquavalve range
     
  11. self builder 123

    self builder 123

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    Steve32

    You are 100% correct - my apologies for any confusion which I may have caused. :oops:
     
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    DIYnot Local

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