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  • FIRST POST
    • laurenbongo
    • By laurenbongo 9th Oct 17, 3:00 PM
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    laurenbongo
    Boiler and hot water question
    • #1
    • 9th Oct 17, 3:00 PM
    Boiler and hot water question 9th Oct 17 at 3:00 PM
    I've just bought my first house recently it's about 8 years old but i've noticed that the hot water tap constantly runs hot and takes seconds to get scalding. I've even turned the hot water off on the thermostat but it's not made a difference.

    I don't think it's supposed to do this? Or am i stupid and it's supposed to be like this?? I'm getting a bit fed up of burning my fingers!
Page 1
    • cajef
    • By cajef 9th Oct 17, 4:01 PM
    • 4,587 Posts
    • 3,644 Thanks
    cajef
    • #2
    • 9th Oct 17, 4:01 PM
    • #2
    • 9th Oct 17, 4:01 PM
    No one here has a crystal ball, so a bit more information is required for example what kind of water heating system have you got, electric immersion, condensing gas or oil boiler or other type of boiler or maybe just a kettle?

    Does the thermostat control the water heating or the central heating system?
    Last edited by cajef; 09-10-2017 at 4:04 PM.
    I used to have a handle on life, but it broke.
    • laurenbongo
    • By laurenbongo 9th Oct 17, 4:27 PM
    • 7 Posts
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    laurenbongo
    • #3
    • 9th Oct 17, 4:27 PM
    • #3
    • 9th Oct 17, 4:27 PM
    Hi i'm sorry i meant it when i said it's my first house, i literally don't know what i'm doing. I'm so overwhelmed.

    The house is 3 storey and there is a gas boiler on the lowest floor and there's a hot water tank on the floor above that. There's a thermostat thing below the boiler that has hot water and heating buttons on either side. The hot water is turned off on this panel.
    • Alex1983
    • By Alex1983 9th Oct 17, 4:31 PM
    • 675 Posts
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    Alex1983
    • #4
    • 9th Oct 17, 4:31 PM
    • #4
    • 9th Oct 17, 4:31 PM
    Make sure there is not a immersion heater turner on in the airing cupboard.
    • malky39
    • By malky39 9th Oct 17, 4:32 PM
    • 644 Posts
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    malky39
    • #5
    • 9th Oct 17, 4:32 PM
    • #5
    • 9th Oct 17, 4:32 PM
    The immerser on the hot water tank may be on. This is basically an electric heating element that can heat you want without the need to trun the heating/boiler on. Check near the tank or boiler for a switch that may have hot water printed on it or a neon. If this is on turn it off.
    • Alex1983
    • By Alex1983 9th Oct 17, 4:33 PM
    • 675 Posts
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    Alex1983
    • #6
    • 9th Oct 17, 4:33 PM
    • #6
    • 9th Oct 17, 4:33 PM
    Google immersion heater and have a look at your tank to find it, follow the cable back to a switch and make sure it’s off.
    • laurenbongo
    • By laurenbongo 9th Oct 17, 4:58 PM
    • 7 Posts
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    laurenbongo
    • #7
    • 9th Oct 17, 4:58 PM
    • #7
    • 9th Oct 17, 4:58 PM
    There is a switch on the wall near it I'm assuming it's that? It just has a label that says water heater on it. I switch that off and then it'll turn off? Then it'll come on when it's programmed to like with the heating?
    • Alex1983
    • By Alex1983 9th Oct 17, 5:05 PM
    • 675 Posts
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    Alex1983
    • #8
    • 9th Oct 17, 5:05 PM
    • #8
    • 9th Oct 17, 5:05 PM
    No, that’s a electrical back up.

    The programmer downstairs controls the gas boiler, you will need to set the programmer for the times you want the hot water on. Most people will have it something like 6-8am and 4-6pm.
    • Clive Woody
    • By Clive Woody 9th Oct 17, 5:10 PM
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    Clive Woody
    • #9
    • 9th Oct 17, 5:10 PM
    • #9
    • 9th Oct 17, 5:10 PM
    The immersion heater is a back up (when the boiler is not working), so most of the time this should be turned off.

    The boiler should heat the water in the hot water tank according the timer and how you have set it.

    Our boiler also has a dial on the side where you can control the temperature of the water in the tank, but if your immersion heater has been on constant then I wouldn't mess with the tank for now and see if things improve. If the water is still coming out really hot then you may want to see if you can find the thermostat on the tank and turn this down (this controls how hot the boiler makes the water in the hot water tank).

    Worst case, sign up for some sort of boiler cover and when the guy comes out to service your boiler quiz him about your system and how you can change things. Normally the engineers are happy to explain things to you.
    Rugby Union - The Greatest Game
    • Le_Kirk
    • By Le_Kirk 9th Oct 17, 5:16 PM
    • 2,226 Posts
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    Le_Kirk
    Can you post a picture of the switch? You will have to use a hosting site like tinypic and post the link with a space or two. I suspect though that it will just be a fused FSO (Fused Socket Outlet) and will not turn on with the heating programmer. If you have a boiler that heats the hot water, you should use that in preference to the electric immersion heater which will be more expensive. Did the previous occupiers not leave you with instruction manuals?
    • laurenbongo
    • By laurenbongo 9th Oct 17, 5:19 PM
    • 7 Posts
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    laurenbongo
    Ok then, i just couldn't find anything on the tank that has a dial. Which is why i'm so confused with why it's so hot. The water has been turned off on the programmer for about 3 weeks now. I'll have to have another look in it. As i'm assuming if it's constantly on the bills are going to be through the roof.
    • Alex1983
    • By Alex1983 9th Oct 17, 5:25 PM
    • 675 Posts
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    Alex1983
    Was the immersion off.
    • laurenbongo
    • By laurenbongo 9th Oct 17, 5:28 PM
    • 7 Posts
    • 0 Thanks
    laurenbongo
    Oh don't get me started on the previous owners. The house was such a tip when they left i cried! (holes in walls, muck trod through carpets etc)

    http:// tinypic.com/ r/ 25zrq5s/9

    This is the picture. I've put spaces in between. Like i said i have no idea about any of this. I'm so confused.

    I appreciate everyone helping
    • Alex1983
    • By Alex1983 9th Oct 17, 5:31 PM
    • 675 Posts
    • 380 Thanks
    Alex1983
    That switch needs to be off, it’s a electrical backup.
    • J B
    • By J B 9th Oct 17, 7:30 PM
    • 2,391 Posts
    • 781 Thanks
    J B
    Oh don't get me started on the previous owners.
    Originally posted by laurenbongo
    Who mentioned them???
    http:// tinypic.com/ r/ 25zrq5s/9
    Originally posted by laurenbongo
    http://tinypic.com/view.php?pic=25zrq5s&s=9

    The switch is for electrical back up, so turn it off and use your boiler to heat the water instead, which will hopefully be cheaper.
    It sounds like the thermostat on the electrical back up heater is turned up too high, that's why it's scalding. Next time an electrician (or maybe a handyman) visits, get them to check it
    Mess with the boiler to set the ideal water temperature, but it will probably take a day for the water in the tank to cool!!
    • cajef
    • By cajef 9th Oct 17, 7:43 PM
    • 4,587 Posts
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    cajef
    Who mentioned them???
    Originally posted by J B
    Someone did.

    Did the previous occupiers not leave you with instruction manuals?
    Originally posted by Le_Kirk
    I used to have a handle on life, but it broke.
    • onomatopoeia99
    • By onomatopoeia99 10th Oct 17, 9:02 AM
    • 3,639 Posts
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    onomatopoeia99
    http:// tinypic.com/ r/ 25zrq5s/9
    Originally posted by laurenbongo
    Without wishing to worry you too much, you've effectively been running a kettle continuously since you moved in. Expect a substantial first electricity bill.
    INTP, nerd, libertarian and scifi geek.
    Home is where my books are.
    • Le_Kirk
    • By Le_Kirk 10th Oct 17, 9:59 AM
    • 2,226 Posts
    • 1,133 Thanks
    Le_Kirk
    Who mentioned them???
    Originally posted by J B
    I did; it was a relevant question for someone who has moved into/bought a new house for the first time. However, given the OP's reply maybe it is expecting a bit much.
    • anto164
    • By anto164 10th Oct 17, 1:44 PM
    • 135 Posts
    • 63 Thanks
    anto164
    You could have a full flow and return system instead of legs? F&R gets hot straight away, as the hot water is constantly being pumped around the system meaning instantaneous hot water.
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