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water tank

  1. J

    How to drain cold water tank!?!

    Help! I’ve turned off the gate valve that supplies my toilet white goods. Now it won’t open. It’s turning but water not flowing through. I need to drain the cold tank to replace the gate valve but the cold tank goes to a pump and I when I turn off the water, no cold water comes through the taps...
  2. H

    Benefits of one large hot water tank over two in parallel?

    A friend is building 5 en-suites above his pub. An advisor has said he needs a 64kW gas boiler to heat 7-8 radiators and an 800-1000 litre water tank to make sure guests have hot water when they need it. This seems way over the top to me - especially as it's not guaranteed that there will always...
  3. A

    Water tank pump housing cracked

    Hey all! Our water tank pump has been turning off and on by itself and not switching on when needed. Upon investigation, there appears to be a small crack in the water pump metal housing that is leaking a tiny stream of water. Would this cause the pump to keep malfunctioning? If so, are...
    • Aaron Bejan
    • Thread
    • pump tank water water tank
    • Replies: 1
    • Forum: UK Plumbers Forums
  4. D

    Do I insulate beneath a raised cold water tank in loft?

    Hello. In this recent cold snap my loft has been getting condensation droplets form on the bitumen membrane. I had previously installed lap vents and minimised storage to improve air flow. The loft is well insulated apart form an area under the cold water tank. However my cold water tank is...
  5. K

    Gravity feed hot water tank

    I’m fitting a ‘gravity feed’ hot water tank in a mobile home that has restricted head height for a cold gravity feed header tank. I can install an expansion over flow to an outside drain. Is it possible to use a Pressure Reducing Valve to supply the cold water from the mains supply. Or is there...
  6. R

    [Please Help]Cold Water Tank Replacement Cost-Am I Being Ripped Off?

    Hello Everyone. I humbly come to post needing your advice on a rather urgent issue I have regarding my cold water tank in the loft. Basically, a few days ago I noticed a patch of yellow in my bedroom ceiling. I then went up in my loft to find that the water tank was leaking. I called a plumber...
    • Rupert
    • Thread
    • cold replacement tank water water tank
    • Replies: 9
    • Forum: UK Plumbers Forums
  7. F

    Elson Sapphire double feed indirect hot water tank

    Hi, I have a fairly modern multifuel stove with a back boiler connected to a Elson Sapphire double feed indirect hot water tank and I need to drain down the system to move a radiator. Would anyone be able to offer any advice as to the correct drain down and refill procedure for this tank as...
  8. S

    Essex flange fit to hot water tank.

  9. T

    Heat leaking out of hot water tank?

    Hi everyone Would love some advice! We have a hot water cylinder which lost 14 degrees (48 to 34) in four hours, with no demand/usage. So I think the heat is escaping. The circulation pump (which you can see in the photo) is off, so could passive convection be the reason? The pump is always...
  10. R

    Cold water tank inlet problem

    Help. This is the second time the fibre washer on the ball valve inlet has split and flooded the house. It's a recent tank. First time tit happened I assumed the valve was defective and replaced it. But obviously not. I think the tank just has to much flex. The (plastic) backing plate seems...
  11. R

    Does this water tank look dangerous?

    We are tenants. A neighbour came to report an overflow pipe pouring out onto people. I was trying to stop it when I found the water tanks. The water tank has no lid and is covered in mould. I've turned the water off and have just turned it on to use the tap near the water inlet once or twice a...
  12. D

    What Causes A Hot Water Tank To Deteriorate?

    What are the factors that determine the life of a water tank? Obviously the quality of the water and the materials used to construct the tank are important. But beyond that I'm fuzzy. Is it just the number of gallons of water that pass through it? The number of "fresh" gallons of water that...
  13. omendata

    Blocked Cold Water Tank Pipes - Doing my head in for over a year

    Ok I have been dealing with this problem for over a year and finally have to ask for some help as backflushing every 2 weeks or so is getting very tiresome. I live in a 60's flat (3 flats per side of the block so 6 flats in all) with two overhead water tanks in a tankhouse on the flat roof for...
  14. M

    Water tank constantly filling up

    Hello all, I think I've suddenly become an accidental plumber although do have a professional Unvented engineer coming to my property. but not till next week Does anyone know why a heated water tank would take on water 24/7 ? is this normal for an unvented tank (Range HE Tribune) no one is...
  15. R

    Hot Water Tank Expansion Vessel Question

    Am I correct in saying that the capacity of an expansion vessel as written on the appliance data label is the capacity of the water compartment alone and excludes the air compartment capacity? Thanks
    • RayPooley
    • Thread
    • expansion expansion vessel hot water tank vessel water water tank
    • Replies: 18
    • Forum: UK Plumbers Forums
  16. M

    Cold Water Tank In Loft - Cause Of Flood Dispute?

    Having just moved into a property and discovering the central heating not functioning, after 3 months we eventually was able to get the property management to have one of their heating engineers attend. He was literally here 10mins and in the loft space for 2mins, where he stated he discovered...
  17. P

    Hot water tank firing but heating and water off

    We have a brand new house with a tank system and boiler. I had nest installed to control water and heating. Sometimes when the water and heating times off the tank keeps on doing something. I have to either reset the nest or turn the power off to the boiler for a bit to reset it. Is this a...
    • Paul Moreton
    • Thread
    • heating hot water tank water water tank
    • Replies: 12
    • Forum: Central Heating Forum
  18. T

    Hot water tank not heating up.

    Hi there We have had a barn renovated and the plumber installed an air source heat pump. The hot water has been on auto since Friday and I changed it to continuous this morning but it was only 25 degrees (it’s set to 55 degrees) on the bottom of the hot water tank. The electrician came this...
    • T stanton
    • Thread
    • heating hot water tank water water tank
    • Replies: 5
    • Forum: UK Plumbers Forums
  19. M

    I need a hot water tank thermostat for hotter than normal temperatures

    I have a need for for a thermostat for a copper cylinder connected to solar power so I'm looking for an accurate thermostat which will allow me to store water at up to 90c ? I have tried a bog standard Honeywell and a couple of cheaper stats but none of them even work up to the advertised 80c...
  20. M

    Electric hot water tank

    I installed a new electric hot water tank. They pressure relief valve keeps releasing after 2 hours steamy hot water. Replaced the pressure relief valve and the tank is still doing it. Any advice on what to do?

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