Just moved in to a new build. All the pipe work has been done in plastic pipes, all the taps in the house except the kitchen taps have no isolation valves installed and there is no way to directly isolate just a single tap. I want to replace bath taps with a mixer. Problem is that there is no isolation valves on any tap. I have the main water stop cock valve under the kitchen sink. However, the hot water runs from a tank which is heated through a solar hot water system. So turning off the main stop cock valve i'm assuming will only turn off the cold water. So question is how would I turn of the cold water as the tank may contain existing hot water already in it?
isolation valve under taps
- Thread starter john2k
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OK, will get a pic and details of the system later on and post it.
Not sure what mode number it is, but this is a picture of the system. I wasnt given any user manuals or anything for it. There seems to be some sort of stop cock on the right side labelled "Cold Water" but my main stop cock is downstairs under the kitchen sink and it is labelled "stop cock"
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That's what I thought but it seems not a single tap in the new build houses in my development have it, except for under the kitchen taps.
Your mains stop tap should shut the un-vented hot water too, it should all be running off the mains, fed through your mains stop tap. You may need to release the pressure in the HW cylinder. Not entirely sure with solar though if there's any further precautions needed, not a module I've covered yet.
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