Plumbing code in Israel requires all schools, hospitals and elderly care facilities to install thermostatic mixing valves (anti-scald valves) on the hot water lines. These valves prevent any hot water over 50 degrees Celsius from reaching the sinks and showers. In reality, all homes should have anti-scald valves. Especially if one has little kids. A brief look into how fast serious damage can occur without an anti-scald valve. The hot water in a boiler can easily surpass 70 degrees Celsius. In some cases the water can be well near steaming (If the thermostat valves and the heating element continually heats the water). The below shows how quickly one can receive third degree burns (burns run from 1st degree to fourth, with the latter being the worst): 70 degrees Celsius: Adult, one second. Child, half a second. 60 degrees Celsius: Adult, five seconds. Child, one second. 55 degrees Celsius: Adult, thirty seconds. Child, seven seconds. 50 degrees Celsius: Adult or child, five minutes. Certainly, a thermostatic mixing valve that limits all hot water supplied to ones home to 50 degrees can save lives and prevent serious injury. It give us time to react if a child unsuspectingly turns on the hot water or if someone slips or faints in a shower.
6 Comments
Jacob
9/12/2013 08:54:27 am
thermostatic shower control? I have not been able to find any consumer thermostatic controls in Israel. Do you have a source for them?
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Yaacov Prupis
9/12/2013 09:00:08 am
Specifically for a single shower? Or attached to the boiler as seen in the picture?
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Yaacov Prupis
9/12/2013 09:15:12 am
Grohe makes some really nice faucets with temperature controls. Any קרמיקה store should be able to order for you.
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Jacob
9/12/2013 10:37:09 am
Yes, specifically for a single shower. Yes, Grohe makes thermostatic temp ctrl tub/shower fawcetts but no stores carry them in stock. the 2 plumbing supply stores in Talpiot that I talked with said they weren't available here. I found 1 online store, I think in Haifa, that may be able to order it. Our water pressure fluctuates wildly and when someone in the kitchen uses hot water the shower goes to frozen. I hate it when that happens.
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Yaacov Prupis
9/12/2013 10:46:59 am
Plumbing supply shop is not the place to go. Store that sells tubs, faucets and tiles is the place to go.
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