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  • robowen
    • #2
    • 6th Jan 05, 11:28 PM
    Re: Power Shower on Combi Boiler????????
    • #2
    • 6th Jan 05, 11:28 PM
    on older hot water systems, power showers would have a pump fitted to boost the flow rate. :-/

    You cant do that with a combi, as it already has a built in pump. All you get is the flow rate the boiler is capable of. and that is poor. :-/
  • Woby_Tide
    • #3
    • 7th Jan 05, 1:16 PM
    Re: Power Shower on Combi Boiler????????
    • #3
    • 7th Jan 05, 1:16 PM
    our condensing combi takes water at mains pressure and has a decent throughput and is powerful as you like without any need for pumps, if you find that your shower is too weak I'm guessing you either have a) a poor combi flow rate or b) water fed from a tank in the roof still, if its from the mains I'd have a word with the waterboard
  • Jazzycat
    • #4
    • 7th Jan 05, 1:38 PM
    Re: Power Shower on Combi Boiler????????
    • #4
    • 7th Jan 05, 1:38 PM
    Hi,

    thanks for responses.

    it is main fed as we have no tank. When hot water is on it runs fairly well - not as full a pressure as cold but a fair pressure all the same. From replies it looks like I can't change the shower pressure by means of a pump so will have to make do as is.

    thanks again for the advice
  • Woby_Tide
    • #5
    • 7th Jan 05, 6:25 PM
    Re: Power Shower on Combi Boiler????????
    • #5
    • 7th Jan 05, 6:25 PM
    it sounds like it's more the electric shower at fault than anything, you could always trya power shower as if you're on mains fed then it should be hitting the shower at the best pressure it can, as long as the shower is powerful enough to heat and pump it through you should be ok, or failing that have a 'mixer' shower instead so you'll take your hot water direct from combi with cold from the mains via a mixer?
    • plumb1
    • By plumb1 7th Jan 05, 9:23 PM
    • 2,943 Posts
    • 888 Thanks
    plumb1
    • #6
    • 7th Jan 05, 9:23 PM
    Re: Power Shower on Combi Boiler????????
    • #6
    • 7th Jan 05, 9:23 PM
    Hi,

    thanks for responses.

    it is main fed as we have no tank. When hot water is on it runs fairly well - not as full a pressure as cold but a fair pressure all the same. From replies it looks like I can't change the shower pressure by means of a pump so will have to make do as is.

    thanks again for the advice
    The pressure on you electric shower,might be down to blocked filter or small KW,but you can swop it for a shower value that will work on your combi

    ,make sure it is compatable for mains feed(combi) you can pick them up from £80-£400
  • Jazzycat
    • #7
    • 10th Jan 05, 11:39 AM
    Re: Power Shower on Combi Boiler????????
    • #7
    • 10th Jan 05, 11:39 AM
    thank you all for your advice.

    I will now ask a plumber to come in and advise as it appears there may be options

    many thanks for your help
    • divadee
    • By divadee 11th Jan 05, 11:36 AM
    • 10,173 Posts
    • 17,522 Thanks
    divadee
    • #8
    • 11th Jan 05, 11:36 AM
    Re: Power Shower on Combi Boiler????????
    • #8
    • 11th Jan 05, 11:36 AM
    I have got a combi boiler and when i got a new shower i got one of those h2o showers. the hot is drawn through bu the cold so gives you a better pressure. in my last house i had a power shower and cant tell much difference between that one and the h2o.

    HTH

    by the way the h2o is available from b&q wickes etc....
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