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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Power Shower problem
Our power shower has just started misbehaving after 2 years of use.
The temperature is OK when the pump is not on, however, when the pump is switched on the temperature drops to just cold. Is it the impellor on the hot side not working, which sounds OK, or, is it the mixer? My money is on the pump. Any suggestions before I rip them apart. Thanks Jonathan |
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jonathan wrote:
Our power shower has just started misbehaving after 2 years of use. The temperature is OK when the pump is not on, however, when the pump is switched on the temperature drops to just cold. Is it the impellor on the hot side not working, which sounds OK, or, is it the mixer? My money is on the pump. Any suggestions before I rip them apart. Thanks Jonathan Turn the shower mixer to hot only... what happens next? No water at all = knackered pump! If, on the other hand the pump also powers the bath taps - as ours does - hot water at the bath hot tap = blocked shower feed pipe! -- Reply address is spamtrapped. Remove theobvious for valid e-mail address |
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"Paul King" wrote in message news:1103296679.bf16acd9f800872d5b40fab22d818328@t eranews... jonathan wrote: Our power shower has just started misbehaving after 2 years of use. The temperature is OK when the pump is not on, however, when the pump is switched on the temperature drops to just cold. Is it the impellor on the hot side not working, which sounds OK, or, is it the mixer? My money is on the pump. Any suggestions before I rip them apart. Thanks Jonathan Turn the shower mixer to hot only... what happens next? No water at all = knackered pump! If, on the other hand the pump also powers the bath taps - as ours does - hot water at the bath hot tap = blocked shower feed pipe! -- Reply address is spamtrapped. Remove theobvious for valid e-mail address I'd check for airlocks. Happens on ours at about this time of the year as the temperature of the incoming water drops. Lower temperature = more dissolved air which is supersaturated when heated and comes out of solution when stirred up by the pump (just a theory but explains what happens). Try bleeding the system, turn to full hot and hold the shower head as low as you can. If it spits and splutters that may be your problem. I've not found a good cure for this as the pipe run must go up into the loft and down again. An air bleed at the high point helps a bit though. Chris K |
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Thanks for the replies,
Not sure if it's a safety feature but our mixer won't do hot only - it seems to mix cold with it. However, I tried the "turning it to full hot and lowering the shower head". Result - no spluttering, just powered cold water. As I said you can have a perfect temperature shower as long as you don't want it powered. As soon as you throw the switch for the pump - it turns cold. Any more thoughts? Thanks Jonathan |
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#6
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"jonathan" wrote in message ... Thanks for the replies, Not sure if it's a safety feature but our mixer won't do hot only - it seems to mix cold with it. However, I tried the "turning it to full hot and lowering the shower head". Result - no spluttering, just powered cold water. As I said you can have a perfect temperature shower as long as you don't want it powered. As soon as you throw the switch for the pump - it turns cold. Any more thoughts? Thanks Jonathan Are there any isolator valves to the shower pump? If you find some, then try turning the cold supply side down a little until the shower balances properly. |
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