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Tuesday, October 11, 2016

How Your Phoenix Plumbing Bathtub Keeps From Burning You

Have you ever wondered what would happen if you turned on only the hot water in your tub?  Well... it wouldn't be very comfortable.  The good news is that won't happen.  And the scald guard is to thank for that.
Phoenix Plumbing Bathtub
Phoenix Plumbing Bathtub

Now a scald guard does exactly what its name sounds like: it protects you from getting scalded when you use the bath tub.  The scald guard limits the maximum temperature of the water and keeps it from getting hot enough to burn you.  A hot water heater in your home pumps out some really hot water, so hot that it is dangerous for you.  To make sure that this hot water doesn't reach you, a scald guard mixes in some cold water, lowering the temperature of the hot water and extending how much "hot water" your water heater produces.



Phoenix Plumbing Bathtub
Phoenix Plumbing Bathtub
There are a couple different designs that make this work. The most simple uses the pressures in the water lines to prevent water from getting too hot. If water pressure in the cold line falls too low, the hot water is also restricted, limiting how hot your water can get.  Another design works on a built in thermostat.  When the temperature gets too high, the thermostat starts to close off the hot water line, leaving it at a hot -but not dangerous- temperature when it reaches you.  Both of the designs help keep you safe and prevent burns that could cause serious damage.  Burns are especially dangerous to those who don't think about the hot water before they turn on the faucet.  So to keep young ones safe, make sure you have a good scald guard on your faucets and shower!

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