I have a mains feed to the shed protected by a 40A RCBO.
So full chat at 220 * 40 = 8.8 kW.
Or pushing it, 250 * 40 = 10 kW.

I also have mains water and main drainage.

Looking at electric showers, I guess I could run something like
https://www.screwfix.com/p/triton-en...nual-electric-
shower/52753
if I didn't have anything else major running apart from a light or two.

I was considering a hot water tank and an immersion heater for more total
heat over a slower period but that seems to run to over £200 for a basic
set up.

For hand washing there are what look like shower units without the shower
which makes me wonder if there is a way to divert the shower to the hand
basin and use the same unit.

However this seems to get good ratings
https://www.screwfix.com/p/redring-m...-stored-water-
heater-1-5kw-6ltr/5314p
and also looks to be an easy install.
At the price it seems to be easier than messing about with a shower.

Any other strategies?

Basic requirements for the shed will be toilet, shower and hand basin (or
possibly larger sink for washing stuff).


Cheers


Dave R


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On Tue, 13 Aug 2019 19:38:48 +0000, David wrote:

snip

The Redring water heater above says there must be at least 1.7m of 15mm
cold feed between the heater and the next cold draw off to allow for
expansion. Less in 22 mm.

Otherwise an expansion vessel and non-return valve must be fitted.

An expansion vessel and non-return valve seems to cost more than the
heater; £67.99 for the heater and £79.95 for the expansion vessel.

https://www.screwfix.com/p/redring-m...-stored-water-
heater-1-5kw-6ltr/5314p

https://www.screwfix.com/p/zip-expan...eck-valve-247-
x-127mm/4309t

I'm now wondering why you wouldn't just run an extra bit of 22mm cold pipe.

Also wondering if that part is over kill.

Cheers



Dave R

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David explained :
For hand washing there are what look like shower units without the shower
which makes me wonder if there is a way to divert the shower to the hand
basin and use the same unit.

If all you want is hand washing, the usual fix is an instant over sink
3kw water heater.

On 13/08/2019 21:32, Harry Bloomfield wrote:
David explained :
For hand washing there are what look like shower units without the shower
which makes me wonder if there is a way to divert the shower to the hand
basin and use the same unit.

If all you want is hand washing, the usual fix is an instant over sink
3kw water heater.

That sounds like the answer to me. Cheapest from a quick search is the
Triton T30i 3kW from Amazon for £40 although there are under sink ones
for £50.

"newshound" wrote in message
...
On 13/08/2019 21:32, Harry Bloomfield wrote:
David explained :
For hand washing there are what look like shower units without the
shower
which makes me wonder if there is a way to divert the shower to the hand
basin and use the same unit.

If all you want is hand washing, the usual fix is an instant over sink
3kw water heater.

That sounds like the answer to me. Cheapest from a quick search is the
Triton T30i 3kW from Amazon for £40 although there are under sink ones for
£50.

Doesn't work for the shower.

On Wed, 14 Aug 2019 20:42:04 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:


Doesn't work for the shower.

****, do you have to dumb your **** in EVERY thread, you senile Australian
****head?

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newshound pretended :
That sounds like the answer to me. Cheapest from a quick search is the Triton
T30i 3kW from Amazon for £40 although there are under sink ones for £50.

I think I have a brand new one in a box in my garage you could have for
a tenner, if you can collect extreme east of west Yorks?

On Wed, 14 Aug 2019 12:45:11 +0100, Harry Bloomfield, Esq. wrote:

newshound pretended :
That sounds like the answer to me. Cheapest from a quick search is the
Triton T30i 3kW from Amazon for £40 although there are under sink ones
for £50.

I think I have a brand new one in a box in my garage you could have for
a tenner, if you can collect extreme east of west Yorks?

Where is that in relation to Leeds?

Cheers


Dave R

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David formulated on Wednesday :
Where is that in relation to Leeds?

About 10 miles east.

On 13 Aug 2019 19:38:48 GMT, David wrote:

Any other strategies?

Basic requirements for the shed will be toilet, shower and hand basin (or
possibly larger sink for washing stuff).

Look at "tankless lpg water heater" or "tankless propane water heater"...

Run off a bottle: gas in, fumes out, cold water in, hot water out. Power is off
two D cells. Certification is likely not compliant...


Thomas Prufer

On Wed, 14 Aug 2019 08:12:44 +0200, Thomas Prufer wrote:

On 13 Aug 2019 19:38:48 GMT, David wrote:

Any other strategies?

Basic requirements for the shed will be toilet, shower and hand basin
(or possibly larger sink for washing stuff).

Look at "tankless lpg water heater" or "tankless propane water
heater"...

Run off a bottle: gas in, fumes out, cold water in, hot water out. Power
is off two D cells. Certification is likely not compliant...


Thomas Prufer

AFAIK Propane costs about the same as electricity; that is, a lot more
than natural gas from the mains.

As I have mains electricity I'm not sure of the benefit of using bottled
gas.


Cheers


Dave R

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On 14 Aug 2019 17:35:16 GMT, David wrote:

As I have mains electricity I'm not sure of the benefit of using bottled
gas.

24 kW or 28 kW, and corresponding water output, for around 100 quid.

It would be overkill if it's just warm water for hand washing, or a low-volume
shower.


Thomas Prufer

On Wednesday, 14 August 2019 19:59:10 UTC+1, Thomas Prufer wrote:
On 14 Aug 2019 17:35:16 GMT, David wrote:

As I have mains electricity I'm not sure of the benefit of using bottled
gas.

24 kW or 28 kW, and corresponding water output, for around 100 quid.

It would be overkill if it's just warm water for hand washing, or a low-volume
shower.


Thomas Prufer

If it were just handwashing I'd consider a diy solar setup on the roof.


NT

On Tuesday, 13 August 2019 20:38:50 UTC+1, David WE Roberts (Google) wrote:
I was considering a hot water tank and an immersion heater for more total
heat over a slower period but that seems to run to over £200 for a basic
set up.

Unless you get a second hand one from someone upgrading to unvented hot water. Of course in a shed frost-proofing a header tank might be more difficult.

For hand washing there are what look like shower units without the shower
which makes me wonder if there is a way to divert the shower to the hand
basin and use the same unit.

Electric showers really aren't supposed to have any valve or possible restriction on the output, and some can be very fussy about the spray if not supplied by the manufacturer.

However multipoint electric instantaneous heaters are available.

https://www.stiebel-eltron.co.uk/en/products-solutions/dhw/instantaneous_waterheater/all-products.html?_charset_=utf-8&enabledFilterName=refcode_SF004051&enabledFilter Value=::|SF004051::x|SF004052::x|SF004053::x|SF004 054::x|SF004055::x|SF004056::x|SF004179::x|SF00418 0::x|SF004181::x&refcode_SF004051=SF004179::x&sort =by_relevance&result-counter=41%20products%20match%20to%20your%20select ion.&page=1

Owain


Owain