water pump or controller not kicking in | Bathroom Advice | Plumbers Forums

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A

alan_james

Hi, my house has a water pump for better pressure, as our mains was poor - recently it's very slow triggering on the top (3rd) floor bathroom - hot & cold sink taps, shower and toilet cistern. sometimes it takes 5-10 minutes to kick in, with nothing coming out of taps while waiting! It used to work fine, brief tap run for a few seconds, then the pump would kick in, fed from hot and cold tanks.

The pressure controller is a slightly older version of this:

http://documentlibrary.xylemapplied...r/22/files/2012/07/genyo16a-r15-30-im-ml1.pdf

the lights all come on ok etc and it works downstairs. i started to open the "gherkin" shaped part on top to investigate (it's part 4 on the side in the newer model in the pdf above), but water leaked out, it must be a small reservoir (to prevent dry running, leak compensation?) and now it's running poorly downstairs as well, takes a minute or so to kick in!

Could the controller be the culprit, and should i re-fill that part that leaked?

Or could it be an air-lock somewhere on 3rd floor? (and I still need to re-fill that part that leaked!?)

Thanks,
Alan
 
Thinking you have to now go through the procedure of priming it again due to water existing the priming tank when you opened the "gherkin". Also thinking somehow air is entering the system causing the delay in it kicking in.
 
I'm out now so on the mobile.
Priming allows water in to flood the tank and look for a small to undo slightly to let the air out as the tank floods
 
Thanks rpm, what let the water out was removing the entire gherkin cover, with 6 screws running around the edge. Anyhow the controller is working ok again downstairs at least, seems to have fixed itself!

Original problem still there - possibly air as you said. Any ideas for removing air, given it affects all taps/shower/cistern equally in top floor bathroom, so connecting up and running one (tap etc) up into another (shower etc) probably wouldn't work here?
 
Only idea I have is to open one tap at a time starting with the one nearest to the pump then when that clears move on to the next closing the first one therefore hopefully purging the air out.

Of course it could be the pump no longer has the oomph to push the water up to the higher taps if it is old. Lowara technical used to be user friendly but haven`t called them for years.
 

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