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Original poster

Water not hot enough

32 replies

purpleme12 · 12/12/2022 21:05

The water isn't hot enough to have a bath it's (fairly) warm but nowhere near hot enough to have a bath in and keep you warm. I know it's because of the cold cos it's not like this when it's warmer.
But my question is.
Is this normal?
Does this happen to everyone else's?

OP posts:
ChristmasCakeAndStilton · 12/12/2022 21:09

The water entering the house right now is going to be colder than usual.
Depending on the way you heat your hot water, you can turn the boiler up and/or have it on for longer to getvthe tank hotter.
If you have instant hot water run the tap slower, so the bath takes longer to fill.

Yarrawonga · 12/12/2022 21:12

We have a hot water tank so it doesn’t happen to us, no.

Original poster
purpleme12 · 12/12/2022 21:15

It's a combi boiler so we don't have a water tank no.
Is that why it's happening?
We did have a water tank in the old house and I believe it wasn't like this from what I can remember

OP posts:
Original poster
purpleme12 · 12/12/2022 21:15

It's a combi boiler so we don't have a water tank no.
Is that why it's happening?
We did have a water tank in the old house and I believe it wasn't like this from what I can remember

OP posts:
JassyRadlett · 12/12/2022 21:16

With our old boiler sometimes we had to turn off the heating while we ran the bath if the weather was super cold, the boiler couldn't quite cope with both at once.

Meandyouandyouandme · 12/12/2022 21:17

What’s your water flow temperature on the boiler? You might need to turn it up.

glamourousindierockandroll · 12/12/2022 21:18

Have you tried running the water much slower? Mine would be freezing if I fully opened the tap, so I just turn it to about less than half and it tends to come out piping hot.

Original poster
purpleme12 · 12/12/2022 21:23

JassyRadlett · 12/12/2022 21:16

With our old boiler sometimes we had to turn off the heating while we ran the bath if the weather was super cold, the boiler couldn't quite cope with both at once.

The heating wasn't on when I was running the bath

OP posts:
Original poster
purpleme12 · 12/12/2022 21:24

Meandyouandyouandme · 12/12/2022 21:17

What’s your water flow temperature on the boiler? You might need to turn it up.

It's like this

Water not hot enough
OP posts:
Original poster
purpleme12 · 12/12/2022 21:25

glamourousindierockandroll · 12/12/2022 21:18

Have you tried running the water much slower? Mine would be freezing if I fully opened the tap, so I just turn it to about less than half and it tends to come out piping hot.

No not tried that yet I had to get out of the bath

OP posts:
tigger1001 · 12/12/2022 21:27

We have a combi boiler and have to run water slowly to get it hot enough.

Catmummyof2 · 12/12/2022 21:27

This reply has been withdrawn

This has been withdrawn by MNHQ at the poster's request.

pinneddownbytabbies · 12/12/2022 21:32

The first two knobs are radiator temperature and tap water temperature. If you look closely you will notice that the second one is not as hot as the first, so turn that up a bit.

The third one with the coloured dial shows the water pressure in the system, and I'd say that needs to be a bit higher than the '1' range it is currently in, so just edging into the '2' range would be better. There should be a tap or knob somewhere underneath the boiler to increase the pressure. Turn that on briefly until the dial moves, then turn it off again.

Original poster
purpleme12 · 12/12/2022 21:33

This reply has been deleted

This has been withdrawn by MNHQ at the poster's request.

Do you mean the dial on the right?

Water not hot enough
OP posts:
pinneddownbytabbies · 12/12/2022 21:34

The hot water dial is the middle one with the tap symbol above it.

Original poster
purpleme12 · 12/12/2022 21:37

pinneddownbytabbies · 12/12/2022 21:34

The hot water dial is the middle one with the tap symbol above it.

Ok.
Bit scared to touch the taps under the boiler?
Might see if I can ask someone which tap

OP posts:
Welshy26 · 12/12/2022 21:46

It's the one with the tap. Just turn it up a nudge. You can't break it. The dial is there to be turned to suit how hot you need/want your water.

pinneddownbytabbies · 12/12/2022 21:51

Just adjust the second knob in the photo then, and turn it up a little bit.

BorgQueen · 12/12/2022 21:53

Pressure is fine, dont mess with it.
Water looks to be on around 50°, which should be ok but if it has to travel a distance you can turn it up a bit, halfway between there and max should suffice, you can lose up to 15% between boiler and taps.

Catmummyof2 · 12/12/2022 23:02

This reply has been withdrawn

This has been withdrawn by MNHQ at the poster's request.

garlictwist · 13/12/2022 05:16

Our hot water is always hot but I've noticed that the cold water is coming out of the tap freezing cold at the moment and in the summer it comes out lukewarm. Both are disgusting. So I wonder if our pipes aren't well insulated.

demotedreally · 13/12/2022 05:57

Disgusting? Really.

PAFMO · 13/12/2022 06:02

My boiler is almost exactly the same as yours OP.
My hot water and heating are on almost exactly the same place.
The pressure looks ok.
When did you last have it serviced?
Ours is almost due (23rd December last year) and the difference once he's been every year is noticeable. As is all the soot and filth he hoovers out of it.
In fact last year, by the time he came the hot water was very tepid in the bathroom and taking an age to get to the kitchen. Had the hottest shower of my life once he'd gone.

BorgQueen · 13/12/2022 10:47

If there’s ‘soot and filth’ inside your boiler - how is it passing the flue gas analysis etc. ?

A regular boiler ‘service’ is basically a yearly safety check , then every five years , an in depth service should be done, checking inside the heat exchanger and changing the gaskets, checking the pump seals, pipework etc.

PAFMO · 13/12/2022 15:53

BorgQueen · 13/12/2022 10:47

If there’s ‘soot and filth’ inside your boiler - how is it passing the flue gas analysis etc. ?

A regular boiler ‘service’ is basically a yearly safety check , then every five years , an in depth service should be done, checking inside the heat exchanger and changing the gaskets, checking the pump seals, pipework etc.

We have it cleaned out annually and serviced annually.
Would you like me to upload the certificate?

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