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Hi Tony. Got back and I'm afraid the mixers were cold. No sign of warmth. The kitchen tap was still trickling though when I got home which was rather alarming if I think how much water it must have wasted. I definitely fully closed the stopcock finger tight. Wouldn't have closed any more without...

Well, we'll know soon enough what it has done but whether its the cure for the cause....who knows. But this is Tony's suspicion. Surely if I was able to isolate both mixers taps (possible) and the shower mixer (not sure if this is possible but perhaps someone could tell me by looking at the...

Also a picture of the said pump http://www.diynot.com/network/woodfordma/albums/10239/38631

Morning all So this morning I left the house with the mains stopcock shut, the kitchen cold tap on and all mixer taps off but over to the cold side. This should give it at about 12 hours before I go home to check the results. The washing machine is connected to the cold for sure so that...

I think that ones been plumbed in properly!

Luckily my boxing in isnt that serious! Only the colder water storage tank is boxed in and everything else is accessible. Although how do you isolate a shower? Tomorrow, before I go to work I will close the stopcock at mains, leave the cold mixers over on the cold side (but shut) and leave...

I cant isolate the showers though, unless I can take of the mixer tap I guess. Also I dont think I can isolate the bath tap either without taking it off because it is free standing and the pipes are in a stainless steel shroud. The bath being on the 2nd floor though is fed by pumped hot and cold...

I will do the tests and I will let you guys know. I will do Tony's first, although I still would have thought it would be more black and white to shut all the hot valves off before the mixers which would mean I'd need to get behind the shower mixer. I dont want anybody to go out of their way...

Tony, Are the only mixers that could be the problem the ones fed by pumped hot and mains cold. e.g mixers upstairs fed by pumped hot and pumped cold are not an issue? As I mentioned. It is straight forward for me to shut the valve of the hot pipe going to the tap mixer. If I knew how to...

I think I mentioned it in earlier post but if I isolate the pump's hot outlet and then immediately open it again, the pump does not run. If I isolate the hot and leave it for a minute or two then open it again the pump will run for a few seconds.

Yes. When I plug it back in, it goes off for its usual 4-5 seconds. It does not run for longet than the usual hunting every 15 - 20 minutes when the pump is left on all day.

Morning Ok. I am able to isolate the the washing machine as there is a valve on the inlet so I will try this. We had the washing machine changed after the rennovation, when the old cruddy one died. We replaced it with a Miele. There seems to be only one pipe leading to the washing machine. Do...

Doitall Tomorrow morning, before I leave for work, I will turn off the mains stopcock and leave all taps closed. Then when I return in the evening I will leave it for one hour to see if the pump has continued hunting. I think we can rule out the non return valve on the new pump (as this...

Hi Tony Just to clarify incase there is a misunderstanding. I meant that when I open the taps all the way to the cold position and run the water the pump does not come on, rather than moving the taps all the way to the cold but not running water. When running the water I move the tap slightly...

Thanks Tony I'm not a plumber, although after this feed I feel a little closer to becoming one, but I'm afraid I didn't realise that would be the cause. Is there any test to confirm this is the case? (to be certain before I forge ahead?) I wonder why the hunting did not start immediately...

Hi Doitall, Id I managed to get access to the cold water storage tank, what would you use to test for a drop in the level of the water in the tank. As the tank is very large and the leak is very small, presumably the change in level would be virtually undetectable over one night. What do you...

sorry. I saw my typo error. The kitchen tap has a hot and a cold tap. Hot is fed by the pump and the cold is fed by the mains. Just to clarify as I dont want to confuse everyone! Thanks