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

cylinder

  1. C

    Horizontal hot water cylinder install. Does this look correct?

    Anyone out there able to help? Is this correct or are there things wrong and if so what?
  2. C

    Humming from unvented cylinder

    Hopefully someone can point me in the right direction. Before I start I am G3 qualified. As per usual I was asked to rectify a leak on a combination valve. I installed a like for like 3.5 bar valve, all good, however I I checked pressure in exp vessel to find no pressure at all (Never been...
  3. A

    Noisy unvented cylinder advice Pls.

    HI everyone, I'm looking for some thought/opinions on what could be causing issues with noise and pressure since having a pressurised un-vented cylinder installed with an Air Source Heat Pump from a traditional gravity fed system. When it was first installed, whenever a hot tap was run there...
  4. S

    Help diagnosing bubbling originating in hot water cylinder

    Hi there, I recently replaced a dead central heating pump in my home, so drained down the system completely, fitted new pump and filled up. What I'm experiencing now is a periodic bubbling noise, it starts in the hot water cylinder on the 1st floor and makes its way to the boiler on the ground...
  5. U

    Unvented Cylinder Discharge pipe not to regs

    Hi, I'm looking for some advice on how to proceed with my current situation. We bought a new build and after getting my boiler and unvented cylinder serviced my plumber raised the fact that he estimates the D2 discharge pipe to have a resistance flow length on 12m and as it's 22mm copper pipe...
  6. J

    Heat exchange rate in cylinder

    Just a fast one for the experts Does say heating water entering coil in hw cylinder heat the dhw faster if say the heating presure is say a bar and a half as oppose to f and e. Also if hw cylinder was unvented would speed up heat transfer aswell?? Thanks in advance if i get a reply
  7. B

    Unvented cylinder won't stop heating up when CH is turned on

    I have recently moved into a house with the following heating system: Traditional boiler (Worcester Greenstar Ri 24 with only one temperature dial and no pressure gauge) Vented central heating (cold tank in loft) Unvented hot water (Excelsior cylinder with pressure gauge plus white expansion...
  8. B

    New thermostatic shower cylinder fitted - now water is not hot enough

    I have a Bristan mixer shower. It started leaking from the temperature control. A local plumber replaced the thermostatic cylinder. It now doesn't leak - but the water is now 15-20 per cent colder than it was before when the temperature is at max hot. Why? What's amiss here?
  9. B

    DHW recirculating loop connection to cylinder

    Can the return pipe in a domestic hot water recirculating loop be connected to the cold feed to a direct HW cylinder
  10. P

    Height differential required between an F&E tank and a cylinder?

    Trying to add a shower into a small bathroom, I'm looking at moving my hot water cylinder to the loft. Currently, I have a vented 200L cylinder (in the bathroom) with the principal source of heat being an Economy 7 setup, which gives adequate hot water for our needs. The cylinder also has an...
  11. J

    Very weird set up - is it a primatic cylinder?

    I can't get a consensus on this from four plumbers that have visited. We've been using the system with no prpblems for 7 years - but the cylinder leaks and needs replacing. It's an old and peculiar set up I have onherited after buting my two storey house. I would greatly appreciate any...
  12. AndyCoo

    Central mixing valve near unvented cylinder

    Hi all I have a mixing valve question. Should I have one fitted close to my new unvented cylinder?
  13. M

    Cylinder feed and vent

    Have a ground floor hot water cylinder, want to boost hot flow to upstairs bath with inline booster pump. Can't get to pipework near bath, so wondering if I create a new dedicated vent tee'd into pipe just after it leaves the cylinder, then install pump after new vent, and cap off old vent at...
  14. M

    Possible Cylinder or blockage problem

    We had three radiators changed and after this the boiler wouldn't fire. Now we have heating but the no hot water. We have had the Baxi man out and he said we are not covered for the problem. Which he thinks is either the cylinder (which he said may be difficult to obtain the part) or a blockage...
  15. M

    Buffer Tank/Thermal Store addition to S Plan Plus & Unvented Cylinder?

    Hi sorry bit of an odd query here. With the increases in energy costs now and in the future we are trying to find any way to reduce our exposure (retired couple on fixed incomes). We are fortunate enough to have bought solar panels at the beginning of the year but as we head towards winter the...
  16. S

    Unvented Cylinder set up via gas system boiler and time clock

    Hi I wanted some steer from he forum for my set up. 2 storey house now extended on ground and a loft conversion. New plumbing install as of 18months. Worcester bosch 8000 life sysem boiler via natural gas. Time clock with HW / CH split, 7 day digital. 250litre Gledhill Select Indirect...
  17. J

    Vent pipe size for vented cylinder installed in 2005-6

    Hey, having searched this forum and last building regs (2000) from around that time... Any idea what the correct size is for a vent pipe for a vented hot water cylinder, gravity fed? I.e. the one that is continuously rising back up to the cold water feed tank for the cylinder? Have discovered...
  18. H

    Unvented cylinder for ASHP

    Hi all. I have an Isoflo CL170 cylinder with good few years life left in it in my system which has performed trouble-free other than the odd new immersion element. I'm getting a new ASHP fitted and the installer is recommending scrapping the Isoflo and replacing it with a Secon Trade Heatpump...
  19. R

    Pressure loss in new loft (unvented cylinder)

    Hello. I need some urgent advice re water pressure in an unvented system. A few months back, I had my gravity fed system + boiler changed to an unvented cylinder + system boiler. The water pressure following the swap was incredible. We were originally talking about putting in a mains booster...
  20. R

    Megaflo Eco System Unvented Cylinder Loud Bangs

    Hi Everyone, Hoping for some advise / assistance on an issue I have on my Megaflo Eco System Unvented Cylinder which is making a loud band. This occurs when the hot water heating is on and when the cylinder heats up to temperature, once at temperature the motorized valve closes and there a...

We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.

Featured Content

Back
Top