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Julian taylor

  • Posts: 16
Re: Hot water system not hot enough
« Reply #20 on: November 24, 2016, 07:25:52 pm »
Yes that was me but that was on Facebook and didn't realise it wa on here as well . Well that's ok as at the time I had just thought about purchasing it . My mistake !! The fact is it's not powerful enough and I was led to believe it was.

Smurf

  • Posts: 8538
Re: Hot water system not hot enough
« Reply #21 on: November 24, 2016, 07:36:18 pm »
Julian before buying that very expensive pile of poop you could have asked for advice and I would have told you I use a fastar  8l lpg heater.  The one I use it's actualy 16 KW rated output not 4.5 KW like the webasto type you have.



Tony dunmall

Re: Hot water system not hot enough
« Reply #22 on: November 24, 2016, 07:39:23 pm »
I've got a hot water heater for sale if your interested information on equipment for sale yes it's the 9.6 or 9.8 kw one man system with summer winter setting

Full working order with s controller

Clever Forum Name

  • Posts: 5942
Re: Hot water system not hot enough
« Reply #23 on: November 24, 2016, 07:40:53 pm »
The issue is the 4.5kw will create "hot" water not boiling "hot" i doubt you will have a leg to stand on as when i read the specs for these 4.5kw systems i wasn't impressed with the 4.5kw

My van will be having the 9kw version for a one man operation.

Smurf

  • Posts: 8538
Re: Hot water system not hot enough
« Reply #24 on: November 24, 2016, 07:46:07 pm »
Sunshine has got 9 whatever kw one for sale too I believe so they can't be that good after all.
Mind if like throwing money at these type of heater keeping them serviced/working then more fool you

Clever Forum Name

  • Posts: 5942
Re: Hot water system not hot enough
« Reply #25 on: November 24, 2016, 07:49:06 pm »
They are not as good as gas in my eyes.

I just don't fancy the gas bit hence why i want diesel.

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #26 on: November 24, 2016, 07:54:50 pm »
Must be something not right with it the slower you run water through it the hotter it will be if you pre heat it into the tank at say 15 on your flow meter the water should get to 60-65 degrees,if you have it on a good working rate at 68-70 it will fluctuate from 35-45 degrees which is way hot enough. If you post a picture of the inside of your cabinet I will show you a trick you can do to get it even hotter it'll only cost you about a tenner but it will invalidate the warranty but I've had mine like it for 6-7 years with no problems.

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #27 on: November 24, 2016, 07:55:30 pm »
Dodgy battery's will give you heating problems also.

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #28 on: November 24, 2016, 08:07:18 pm »
Don't believe they are useless if they are setup right and you have good battery's split charged properly they are superb,I had an nightmare due to a badly installed system. I have within the last 6 weeks had all wiring replaced for thicker cabling and the battery's are now sufficiently charging to power the heater so it works to its full potential,if it's bitterly cold the best way to use diesel heaters is to use them as hot as you want on PVC and on minimum on old framed delicate windows. If Windows are puttied in tight they will creek which is giving you a warning the waters to hot,if any pane of glass has a crack in it no matter how small if the water is to hot it will spread the crack the full length or width of the glass.

Julian taylor

  • Posts: 16
Re: Hot water system not hot enough
« Reply #29 on: November 24, 2016, 08:12:44 pm »
Go ahead

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #30 on: November 24, 2016, 08:17:53 pm »
Go ahead what you'll need to post a picture if you want that trick,do you want me to come round and fit it for you too lol 😂

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #31 on: November 24, 2016, 08:18:53 pm »
Take the cover off your cabinet and post a picture.

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #32 on: November 24, 2016, 08:24:06 pm »
The issue is the 4.5kw will create "hot" water not boiling "hot" i doubt you will have a leg to stand on as when i read the specs for these 4.5kw systems i wasn't impressed with the 4.5kw

My van will be having the 9kw version for a one man operation.
You wouldn't want to bath in the water i use it would scold you,like i say it can't be working right if it's not as hot as you'd get from your hot tap indoors.

Tosh

  • Posts: 2964
Re: Hot water system not hot enough
« Reply #33 on: November 24, 2016, 08:59:31 pm »
The issue is the 4.5kw will create "hot" water not boiling "hot" i doubt you will have a leg to stand on as when i read the specs for these 4.5kw systems i wasn't impressed with the 4.5kw

My van will be having the 9kw version for a one man operation.
You wouldn't want to bath in the water i use it would scold you,like i say it can't be working right if it's not as hot as you'd get from your hot tap indoors.

What model boiler have you got and what KW rating is it?
*A HISTORY OF THE UNIVERSE - THE SHORT STORY* 'Hydrogen is a light, odorless gas, which, given enough time, turns into people.'

robert mitchell

  • Posts: 2019
Re: Hot water system not hot enough
« Reply #34 on: November 24, 2016, 10:48:55 pm »
I have a 9kw purefreedom isothermal unit and it gets the water lovely and hot even with two users , you have to remember though once it goes through 100 metres of hose and comes out of the jets it will lose a good percentage of that heat, especially this time of year .

Oh and just to ruin your day a bit more i paid £280 secondhand for a broken one and cost me £90 to fit a new pump and worked perfectly!  Sorry  ;D
www.ishinewindowcleaning.co.uk

The man who never made a mistake never made anything.

the king

  • Posts: 1461
Re: Hot water system not hot enough
« Reply #35 on: November 25, 2016, 07:01:31 am »
should have got a gas heater  ;D

Jonny 87

  • Posts: 3512
Re: Hot water system not hot enough
« Reply #36 on: November 25, 2016, 08:25:44 am »
What temperature are you getting?

In my opinion you don't need scalding hot to do a great job.

My water is about 25-35 degrees at the brush head which is just warm to the touch.

Remember that in cold weather thermal shock can happen if you use water 20 degrees higher than the ambient temperature.

So even I'm at risk of cracking glass in this temperature, I've been working in -5 for a few days this week.
Vision Technician / Visual Engineer /  Vision Enhancement Operative /...........................................................OnlyUseMeWFP AkA Jonny the Windy Wesher

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #37 on: November 25, 2016, 08:36:42 am »
Utter rubbish hot  water is by far better to use and as far as results go it's all been talked about before there isn't and argument comparing the 2 everyone more or less starts with cold.

slap bash

  • Posts: 1366
Re: Hot water system not hot enough
« Reply #38 on: November 25, 2016, 09:03:37 am »
I have had a few of this heater and found the following to be true.The flow of the water through the system will have a dramatic effect of the heat of the water. An L5 will battle to produce hot water with a flow rate of 8 litres per pump if you turned the flow down to say 3 lit. a minute the water would be in the system longer, therefore produce hotter water. I said this  many years ago on this forum when we first started this gas water heating . Everyone thought I had flipped. There are many factors that effect the heat and some are just lucky to get the right combination of flow rate and pressure. Unfortunately, some  just have the factors wrong and have a bad experience. There is the heat lost between the pump and the brush head which is a major factor as to the heat hitting the glass. That why after four different systems I decided to go without. Breaking glass, failed hose fittings,busting hoses and pumps playing up. Its a lot of crap and temperature loss due to  long hoses no thanks its just not worth it.

NWH

  • Posts: 16952
Re: Hot water system not hot enough
« Reply #39 on: November 25, 2016, 10:31:03 am »
As I've said before the diesel heater will be more efficient and produce hotter water if it has enough power,the best way to keep the water piping hot is to circulate back into the tank on a flow of 15 on the controller try it it almost becomes to hot to use and you do this between jobs or having a tea break. Saying that if you don't do that it will still give you 35-50 at the brush or your heater is not working correctly.