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Dec 13, 2020
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U.K.
Member Type
DIY or Homeowner
I have installed an outside hot tap along side a cold one. The idea being that I could set up a mixer using hoselock fittings so I have a wArm water to clean the dogs outside in winter. However as i suspected the cold mains pressure over powers the weak hot pressure we have, so it doesn’t really operate as a mixer.
Would I be able to solve this by just increasing the hot pressure with something like a micro pump? Or will this never work because It’s not possible to match the cold pressure?
Any suggestions or ideas appreciated
 
Best way to sort this is blender valve inside connect outlet to your new tap.
Done a number like this including for myself (used to show setters)
Sorry, not sure how this would work, I have a hot and a cold tap separately plumbed through the wall. Which feed are u suggesting the valve goes on ?
 
Most blender valves will work at 5 to 1 rwc make some that go to 10 to 1

Yeah, just seen Bristan make a 10:1 version. So I take it from this, providing it’s not say 5 bar cold, and tank fed will be approx 0.5 bar, it will be ok, or have I got it wrong? (I’m a bit carp at maths)
 
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