Jacket for water heater: lower consumption

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Cuicui
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by Cuicui » 06/02/07, 00:33

bham wrote:
citro wrote:I also have a dishwasher ....... And then like all household appliances in France, it does not have a separate hot water supply ...:?

I found a good idea on the site www.bysun.fr . When there is only one water supply and you want to supply your washing machine or dishwasher with hot water (solar / boiler, etc.), just install on the water supply. water a thermostatic mixer and set the desired T ° c on the mixer, depending on the wash cycle. If the water is not hot enough, the resistance of the stuffer will top up and only top up. Very simple and very practical.

I installed this about twenty years ago, it still works perfectly. You just have to be there to send cold water when rinsing, so as not to waste solar hot water.
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by bham » 06/02/07, 08:50

citro wrote:
bham wrote: Citro, wouldn't you have a link, a sketch or something to see how to make this DHW loop? Thank you

Sorry for the delay, but here it is:
http://www.conseils-infos-batiment.fr/plomberie/bouclage.php

Thank you citro, I was going to revive you by mp but it's nice to have thought about it.
cuicui wrote:I installed this about twenty years ago, it still works perfectly. You just have to be there to send cold water when rinsing, so as not to waste solar hot water.

Well you didn't show me that when I came to see you : Cry: : Cheesy:
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Re: Jacket for water heater: lower consumption




by the middle » 06/02/07, 09:22

belze1 wrote:There are jackets in England that allow you to isolate
hot water tanks; the savings achieved as well
are not negligible (400 to 600 kWh / year) especially seen
the purchase price around 16 euros.
Could the eco-store not distribute
this kind of product completely unknown in France?

*************************************************
Hello from Belgium,
For me, it's good info, I have two boilers: an electric, and a solair, and I noticed on the two boilers, a drop of T ° of 10 ° over 8 hours ... it is a lot ... So additional insulation is not superfluous.
It would be simpler to establish an insulation standard at the base, on boilers, electric water heaters, house, etc ...
In short, a GLOBALIZATION of insulation ... No?
My Babington burner boiler is still under construction : Lol:
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by jean63 » 06/02/07, 11:13

belze1 said =>
There are jackets in England that allow you to isolate
hot water tanks; the savings achieved as well
are not negligible (400 to 600 kWh / year) especially seen
the purchase price around 16 euros

You find them where these English jackets; name of website for order?

I found a good idea on the site www.bysun.fr . When there is only one water supply and you want to supply your washing machine or dishwasher with hot water (solar / boiler, etc.), just install on the water supply. water a thermostatic mixer and set the desired T ° c on the mixer, depending on the wash cycle. If the water is not hot enough, the resistance of the stuffer will top up and only top up. Very simple and very practical.

I knew this trick, but I ask myself a question:
I have an ELM Leblanc wall-mounted boiler with suction cup with a 50l tank of integrated sanitary water which also produces hot water for underfloor heating.

1 - I wonder if an over-insulation would be effective (I will look in the website)?

2 - Will the cost be lower if I directly supply hot water heated with gas, the washing machine and the dishwashing machine by putting up a thermostatic tap ?.

Currently, I have set the thermostat of the hot water tank to 40 ° C and it is perfect except in the case of a bath (rare) or I mount it at 60 ° C or more (thermostatic tap on the bathtub).

One day I will have solar hot water and there I will put a larger tank with over-insulation (Thanks for the info). : Mrgreen:
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by elephant » 06/02/07, 17:12

This kind of boiler jacket is certainly not an idiotic object, but, to decide if it is necessary, useful or profitable, there are 2 criteria:

1) at the end of the heating period (in the morning for an electric) the walls are warm? , if so, the boiler is not well insulated and a jacket can make an improvement.
2) is the boiler in a cold room (below 17 ° in winter) if so, the jacket can be profitable

but, there are more urgent questions to ask:
isn't the boiler too far from the bathroom? If it cannot be brought together, it may be interesting to insulate the pipes

in my current house, there are 2 water heaters: one in the kitchen, another (boiler) in the bathroom
in the previous one (20 m long) there were three

another question to ask yourself: what is the real cost of your hot water based on the current price of fuel, natural gas or butane, per kWh at night?

As for washing machines and dishwashers, it seems to me that the best energy / cost efficiency is the heating element incorporated in the appliance, unless you have solar hot water, of course.
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by bham » 06/02/07, 17:52

jean63 wrote:
I found a good idea on the site www.bysun.fr . When there is only one water supply and you want to supply your washing machine or dishwasher with hot water (solar / boiler, etc.), just install on the water supply. water a thermostatic mixer and set the desired T ° c on the mixer, depending on the wash cycle. If the water is not hot enough, the resistance of the stuffer will top up and only top up. Very simple and very practical.

I knew this trick, but I ask myself a question:
I have an ELM Leblanc wall-mounted boiler with suction cup with a 50l tank of integrated sanitary water which also produces hot water for underfloor heating.
2 - Will the cost be lower if I directly supply hot water heated with gas, the washing machine and the dishwashing machine by putting up a thermostatic tap ?.
: Mrgreen:

It is a calculation to be made but it is an assembly especially intended to use "cheap" hot water, therefore water heated by solar or even water heated by a wood boiler. For geothermal heated water, perhaps this is also interesting but it must depend on many factors.
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by elephant » 06/02/07, 23:33

your question is entirely relevant, i refer you to my speech which immediately precedes yours: to your calculators!

(if it is to use solar hot water, there is no photo!), if not generally the performance (energy, not financial) of your dishwasher or your washing machine is unsurpassable: the resistance is in the fleet right there where we use it)
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by jean63 » 07/02/07, 00:20

(if it is to use solar hot water, there is no photo!), if not generally the performance (energy, not financial) of your dishwasher or your washing machine is unsurpassable: the resistance is in the fleet right there where we use it)

that seems pretty logical to me as an answer.

if it is to use solar hot water, there is no photo! although it is necessary to take into account the depreciation during the 1st years (how much ?? that is the question !!!.
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Cuicui
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by Cuicui » 07/02/07, 01:15

bham wrote:[Well, you didn't show me that when I came to see you : Cry: : Cheesy:

I tinker according to my inspiration. The mixer for the washing machine is basic plumbing, I didn't think anyone would be interested ...
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by Jumentfolle » 02/06/07, 18:11

Hello,
I came across this post because I am trying to connect my washing machine to a thermostatic mixer, but I have a problem with the reducing nipple that I used to switch from 15/21 from the "shower" outlet to the 20 / 27 from the inlet of the machine: I have a leak on the side of the mixer, because, as there is no stop in the bottom of the nipple, I cannot put a seal (it falls through , even on the machine hose, and is useless).
So I wanted to know how you managed to make the machine / mixer connection, for those who did?
Thank you in advance,
Sarah
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