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new construction shower water temperature question

18 years ago

Hi Everyone

The water temperature in the single control shower is just comfortable, while the water from the spigot in the adjacent bathtub gets much hotter. The building maintenance staff adjusted the temperature for the water heater, but I wondered if there's a better fix.

Thanks for your help.

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Comment (1)

jakethewonderdog
18 years ago
If I am understanding the problem correctly -- the shower is just right temp but the nearby tub is too hot when the hot water is turned on all the way without mixing cold water in.

The shower may be using an anti-scald valve to prevent burns. The max water temp is limited by this valve.

The other thing that may be going on is the
hot water lines aren't insulated well. The shower flows normally at about 2-2.5 gpm while the tub is near 4gpm.

The lower flow of the shower allows more of the heat to be lost to the surrounding area.

My first guess would be the anti-scald adjustment.
Third guess would be the pipe insulation.
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