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  1. U

    Weather compensation, low boiler flow temp & bacteria

    Hi all, I've been adjusting our combi boilers flow temperature based on outside temperature. A sort of manual weather compensation. The weather compensation curves you find go through the whole flow temp range e.g. 30-60C+ what are the risks of bacterial growth below 60C? How are people with...
  2. U

    Smart thermostat causing boiler to short cycle or something else?

    Hi all, When I use my hive thermostat in the way I think your supposed to. I.e. set it to a desired temperature then don't touch it. The combi boiler seems to cycle on/off in short succession as can be seen in the attached image of the heating history. Does this indicate what's called short...
  3. U

    Does anyone's heating actually work as intended with thermostat?

    Hi all, I keep reading about how you should use a smart thermostat. Set it to the temp to want the home to be and hey presto it takes care of itself. But realistically who does this or rather who does this work for. With mine I just use it to turn the heating on now and then for short periods...
  4. U

    Pros and cons of running boiler gas supply pipe indoors Vs outdoors

    Hi all, Does anyone have any feedback as to which is best. Running the pipe from the outdoor gas meter to a new boiler on an outside wall or run the pipe under the floor (suspended timber) which is our existing setup and the new boiler is being sited in same location as old. I ask just in...
  5. U

    Boiler upgrade options

    Hi all, We're looking to update our existing central heating setup and wanted to get a few more opinions. We currently have an open vented conventional boiler with cold water expansion tank in attic and indirect vented hot water cylinder. Initially we thought we would just swap to a combi...
  6. U

    Should you silicone around thermostatic mixer valve

    Hi all, We have a Mira agile/pronta shower mixer valve attached to a tiled wall. It doesn't say in the manual but do you need to silicone around the periphery of the mixer where it meets the tiled wall? Or are they internally sealed or doesn't matter if water seeps into it from splashing etc...
  7. U

    Advice on capped pipe into boiler cupboard

    Hi all, The attached pictures should say more than I can but basically there is a capped pipe into the top of our boiler cupboard (22mm). It is capped off here (see image 1). This then runs up to near ceiling level then turns 90 into external wall (see image 2). Image 3 shows possibly said...
  8. U

    City Plumbing Supplies-Who can use them?

    Hi all, I was just wondering if City Plumbing Supplies are open to the public or trade only? I was able to create an account and they are sending me a trade card but i'm not a business. Is there retail and trade prices and how do you prove you can use the trade prices? Thanks
  9. U

    Advice on fitting a stopcock to lead rising main

    Hi all, I've realised that our 2nd floor flat doesn't have a stopcock where the rising main comes into the flat or it is under a floor or something. We have gate valves or stop cocks in front of kitchen sink and cold water cistern for bathroom for servicing, however all of them are either...
  10. U

    Why cold tap handle can still be turned even though valve is closed

    Hi all, I recently replaced the compression type valves on my bathroom basin as the cold one was leaking and also when you tried to turn it on the handle would do almost a complete turn before the valve would open and water came out. Thought this was a knackered circlip and seemed to be so when...
  11. U

    Leaking joint on DHW output pipe

    Hi all, I have a small leak from a compression joint on the DHW 22mm output pipe close to the boiler. I've isolated the DCW inlet and I ran the hot taps in the property to evacuate some water from the pipes but very little water came out, literally a few mls. How much water could still be in...
  12. U

    Advice on cold water tank

    Hi all, i'm looking for some advice on whether we could remove a cold water tank from our roof space. Boiler is a sealed combi. The tank supplies cold tap on bathroom sink and bath and also refills toilet cistern. It sits in a roof space above the bathroom but the roof space is 1m tall max so...
  13. U

    Half turn on tap before water comes out

    Hi all, On one of our cold taps i have to turn the handle about a half turn before the water starts to come out. I have taken the handle off to reveal the valve assembly and notice that on the top section where the head with splines is, this can be turned some way in either direction when the...
  14. U

    Slow refilling toilet cistern

    Hi all, My slow filling cistern is starting to bug me and would like to investigate why this is so. The cistern as I understand is refilled from a header tank in the roof space above the bathroom. I'm reluctant to start turning too many taps off considering I don't really know what they're...
  15. U

    Old Sunvic TLX thermostat

    Hi all, We've got an old Sunvic TLX 2000 electromechanical thermostat on the wall in our hall. It looks considerably older than our combi boiler (Ariston E-Combi) which is probably less than 5 years old. How can i tell if the thermostat is wired up to the boiler or if its a relic that just...
  16. U

    lockshield vs control/flow valve

    Hi all, On my radiators which don't have TRV's, on one valve is a plastic cap which can be turned which i assume to be the control/flow valve and the other valve has no cap, just a square head that could be turned with pliers. When balancing you alter the lockshield valve, how should the...
  17. U

    Replacing radiators with 10mm pipes

    Hi all, I have double panel single convector radiators in my flat which are fine. They're cold at the bottom which i know normally means a sludge build up. Would getting someone in to flush them with chemicals work to clear this? And is that the only option apart from replacing the radiators...
  18. U

    food smells from neighbours flat

    Hi all, Not sure that this is the right forum or site even for this! But not sure where else to go. We have a problem with one particular food smell coming from a neighbours flat and we think we know which neighbour. It's a bit of an odd one as we only smell it once or twice a week and the...
  19. U

    identifying and setting valves on a bypass radiator

    Hi all, How do i know if i have a bypass radiator in my flat. The agency have said its the bathroom radiator, how do they know this? Its a single panel radiator, all the others in the flat are doubles, is this a clue? What is the purpose of a bypass and should the on/off and lock-shield...
  20. U

    How to identify and set valves on a bypass radiator

    Hi all, I'm trying to determine if i have a bypass radiator installed in my rented flat. The agency have said its the bathroom radiator, that one is the only single panel in the flat the others are all double, does this confirm its a bypass radiator? If not how do I check? And what does...

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