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cylinder

  1. D

    Unvented cylinder with water softener

    Is there a definitive answer to this? We have a stainless steel everflo unvented cylinder hooked up to a Worcester Bosch boiler, and are thinking of getting a water softener as were in quite a hard water area. I've looked around, but can't seem to find a clear answer as to whether a water...
  2. M

    Leaking drain valve on Hot water cylinder. Advise please

    Hi All, I have a leaking drain valve off the CW inlet on a Range Cylinder. Am I right in thinking I have to empty the Cylinder below the CW inlet to change the valve? To isolate cold water to the tank to prevent refill, should I just lock off the 1 stop CW inlet or all 3 red stops? Turn mains...
    • matt68
    • Thread
    • cylinder drain hot water leaking valve water water cylinder
    • Replies: 7
    • Forum: UK Plumbers Forums
  3. H

    What happens if you set a flow temperature lower than HW cylinder

    Hi there, I was wondering if you set a boiler flow temperature at lets say 50 degrees and your unvented indirect cylinder is at 55 degrees - is it the case your cylinder will never reach up to temperature, or will it reach the temperature but just take longer? I have an older boiler where I can...
  4. N

    Unvented cylinder size

    200/210 or 250l indirect unvented cylinder... Pros and cons of both please guys, whats the thinking?? Better to go bigger, or are there other considerations to be thought of....?
  5. N

    Cylinder question any help

    i was called out to a fault on a cylinder coil had failed that’s fine But from pics some one has put a 3 port and zone valve on both wired up so a bit confusing
  6. H

    Sizing a cylinder for 9 bathrooms

    Sizing an indirect H/W cylinder. What size of H/W cylinder would I need for a property with 9 bathrooms?
  7. alex567

    heat pump and water cylinder installed away from the house, pros/cons

    I'm planning to get an air source heat pump (ASHP) installed and I'm considering my options about the location of the water cylinder as I live in a small house and space is a premium. I was thinking about building a small insulated shed about 20 to 25 metres away from the house to put the...
    • alex567
    • Thread
    • cylinder heat house pump water water cylinder
    • Replies: 10
    • Forum: Renewables
  8. D

    Efficient way to heat radiators and unvented cylinder

    I have a gas boiler heating radiators and also heating an unvented cylinder. I have a Honeywell programmer which has the water heating up 1.5 hours early morning 30 mins midday and 2 hours evening The heating is on a couple of times a day. With the energy prices I am wanted to ask if hearing...
  9. B

    Ever had Central Heating Water leak INTO Cylinder fresh water ?

    Hi, Vented system, F&E Tank etc. Cylinder about 10-12 years old. Just running some x800 through to try & improve radiator heat. (another story) Been in a couple of hours. Just run a bath & the water has a slightly odd brown'ish tint to it. never had before. does not smell. Is there anyway it...
  10. W

    Unvented cylinder - noise

    Have recently had unvented cylinder installed and when hot water is run it often makes a loud prolongued noise (like a pipe bending or plsne). Any ideas? Guy who installed it doesnt know (he is apparently qualified...)
    • Widdy123
    • Thread
    • cylinder noise unvented unvented cylinder
    • Replies: 1
    • Forum: UK Plumbers Forums
  11. plumb_know

    Decommissioning cylinder coil on wet solar system

    Hello Everyone, I have customer with solar that doesn't seem to be working so only gets 1/2 a tank of hot water which is heated by the central heating system. She can't find a company to come out and service the wet solar system and she is looking at getting loft conversion in the future will...
  12. B

    Secondary return cools cylinder within 2 hours

    I'm a plumbing novice so first of all I apologise if I'm not explaining this situation correctly. I've recently renovated a house for my family to live in and we're having an issue with water not staying hot when the secondary return circuit is on. From a starting point of fully heated the...
  13. S

    does the power switch to the cylinder need to be left on ?

    Hello i have a 300l centre store unvented indirect cylinder. does the power need to be left on for this ? is it left on to keep water at temperature all day ? for a previous system i had a power switch for the immerison heater that was only turned on in an emergency thanks
  14. Spinball

    Do I need to change my water cylinder?

    Hello folks, I am hoping to get some advice, please, on whether or not to change my hot water cylinder. I recently moved house and the heating control is an old wall thermostat and rotary dial. I want to investigate converting it to a smart system (that I can control with an app), maybe with...
  15. J

    Unvented cylinder recommendations??

    Hi all, I'm due to install my first unvented cylinder. (I've had my unvented ticket for several years, but not actually done a brand new unvented install yet). It's a house renovation, with a new hw and heating system. The house currently has an old gravity floor boiler, that will be coming...
  16. king of pipes

    Boiler and cylinder replacement

    Had a look at this job it needs upgrading boiler and cylinder the house is quite big 17 rads, big rooms open vented at present , some pipework under concrete floors client wants unvented and little as possible on show conserned about pipes under the floor so looking for ideas chaps I've a few...
  17. J

    unvented cylinder v combi store

    Hi all, My customer is renovating a house. Complete renovation of the plumbing. It's a three-bed house for a young family of 3. It will have one main bathroom (bath and maybe an over-bath shower), plus two shower ensuites. I have yet to check the incoming water pressures/flow rates to the...
  18. Fogster74

    Working on heating side of system with an unvented cylinder, no G3?

    Hi all, I'm a competent DIYer with an engineering background and am active in Heritage Buildings. I never touch anything I'm not allowed to albeit I've worked on the wet side of my own heating on the central heating circuit before when I had a combi - balancing rads, add a Fernox TF1, washing...
  19. C

    Hot water storage cylinder timer installation

    Hello, I have a few questions about my unvented hot water storage cylinder please: 1. How many kWh is each 3kWh element (day / night) supposed to use over a 7-hour period? I suppose the thermostat prevents them from running constantly? 2. Can a timer be installed on the element that runs at...
  20. M

    vibrating cylinder reducing valve 'standard practice'?

    Hello, I have a new unvented system with a horizontal 210L Joule hot water cylinder. The cylinder has been vibrating badly which you can hear throughout the upstairs (it's in the loft). The manufacturers have stated that there is too much flow going into the cylinder, and that the gas...

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