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  1. C

    My Mid pos valve going to middle pos for HW only - why?

    When I select HW only, instead of being in position A (far left), my mid position valve is going to the middle and thus turning on Central Heating when there should only be HW. It correctly goes to B (far right) for CH only. It correctly returns to far left when everything is off. Why is...
  2. C

    can a 1.2 bar pump feed 5m of 15mm pipe to a bath mixer?

    I have an existing 1.2 bar pump feeding a shower only about 1m away. All is good. its connected up close to the hot water cylinder and has its own feed from the loft cold water tank. I now want to Tee it off to feed a 5 metre distance of 15mm pipe at the end of which sits a happy new bath...
  3. C

    Is UK polyb pipe the same as the stuff CONDEMNED in the US?

    Polybutylene was condemned in the states because it flakes, leakes and splits. Is our UK stuff the same as what has been condemned in the US? Am I taking a risk using it? Anyone have any postive or negative stories?
  4. C

    what is difference between white and grey 40mm waste pipe?

    It seems in USA the colour of waste pipe relates to its thickness. Does this apply to ordinary high street waste pipe in the UK? Is there any difference between grey, white and black?
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