Firstly, tempering valves are generally, infinitely adjustable..
Second ... with clothes washing, MOST all who I know use COLD water anyway..
Thirdly ..... dish washers and their soaps are generally designed ..
To fill with cold water and rinse the proteins off first.
Then to fill with cold water and release the soap and start heating whilst washing.
Remaining washes and rinses are irrelevant now..
The point is they are designed to use cold water..
If they have hot and cold connected, they use each as appropriate for the cycle part..
IMHO... connecting to hot, is a waste of time..
when first operated, the hot usually takes soo long to get there, it imparts no real benefit.
Now, the cycle is so generally long, the water within the pipe cools, and when needed, it will need to be replaced yet again...
So, I don't see any benefit in what you are suggesting ...
We do, however the automated nature of our front loader, quick wash up to 20 minutes is cold water, 30 minute wash cycle and it heats the water up to 40 (Samsung WF1752WPC). Last time I looked there was no way to change it to just use cold water only,
bpratt wrote:... otherwise everyone would be doing it.
Tracker wrote:We do, however the automated nature of our front loader, quick wash up to 20 minutes is cold water, 30 minute wash cycle and it heats the water up to 40 (Samsung WF1752WPC). Last time I looked there was no way to change it to just use cold water only,
And that is a problem with some washers.... just too automatic.... it is frustrating that some models take choice from the equation...
The bottom line is that IF the hot water costs you nothing, ie SOLAR... then using it MAY have a poorer (technical) performance (ie cooking egg yoke onto plates), but the faster cycle time WILL reduce the electricity powering the wash pump, whilst the heater is raising the temp. to 65c or 55c for ECO mode..
I DID use HW for the DW. (Long ago). But the long run and electric heating, proved pointless, so I fitted a cold tap.. and now use off peak power.
And with the tempering valve... they come with a specail spanner.. that adjusts the temp.. not sure just how much adjustment there is.
Gordon-Loomberah wrote:bpratt wrote:... otherwise everyone would be doing it.
I use an adjustable tempering valve on the wall at the washing machine. It is adjustable from 25C to 55C,
and with the Bosch washing machine I can adjust the temps of the various cycles from cold up to various 30 to 70C, or 90C on one of the cycles. I typically use the mixed cycle which can be set from cold (<10C at this time of year) to 40C, and if my cycling clothes have a particularly bad coating of meadow muffin material after a couple of hours MTBing, I'll turn the tempering valve right up for a hot wash. If I set the machine to cold it wont do any heating, which saves on electricity if required in cloudy weather.
I also supply the dishwasher with the regular tempered water at 50C, although the first rinse fill will be much less than that if I haven't flushed the cold water from the pipes first. Regarding removing protein with cold water- IME if you have soft egg stuck on a plate, hot or cold makes no difference, it has to be removed by hand before going into the dishwasher.
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