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expansion

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

  1. M

    expansion vessel horizontally

    Can an external expansion vessel for a central heating system be fitted horizontally?
  2. D

    Expansion pumping over

    Hi I have an S plan heating system with a deaerator fitted and a Grunfos 15-60 in a 19 rad system When I run the pump on full it pumps over the expansion The cold feed isn't blocked It doesn't pump over on hot water only This is a new occurence as it never happened before I am a retired...
  3. D

    Expansion pumping over

    Hi I have an S plan heating system with a deaerator fitted and a Grunfos 15-60 in a 19 rad system When I run the pump on full it pumps over the expansion The cold feed isn't blocked It doesn't pump over on hot water only This is a new occurence as it never happened before I am a...
  4. S

    Expansion vessel problems

    I'm hoping that someone can help me. I have a pressurised indirect hot water system, and I noticed last summer that there was water dripping at the tundish. I measured the pressure at the top of the expansion vessel and found it to be zero. I therefore called in a plumber to take a look. He...
  5. W

    Dirty expansion tank

    Hello folks My expansion tank in the loft has got a lot of sludge type substance in it why is this? And also should the water in the tank be hot?
  6. A

    Pump over and expansion pipe location.

    Hi again, second post, different issue but same house as my first post about wiring. I have added extension to house and now have 2 pumps each supplying 2 single valves for CH and HW. Boiler is Worchester CDi conventional with a header tank and supply and expansion pipes. Since house is single...

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