A pressure balanced shower valve is designed to control the flow of hot and cold water to protect you from receiving a blast of scalding water when someone flushes a toilet or turns on a dishwasher. If you’ve ever experienced such a blast, you know its jolting effect, which can be especially harmful to children or the elderly while they bathe.
These anti-scald controls are designed as replacement units and eliminate the need to tear open the wall to remove the old valve and lines, a major concern when remodeling. The design provides access to remove the old valve from the supply lines and space to install support blocking between wall studs for the new valve. A wide escutcheon or faceplate conceals the opening.
This is not a quick fix swap, so if you’re at all intimidated, hire a plumber who will charge $270, which includes the labor and material, to replace an old shower valve with a new thermostatic valve control. By hiring a pro you’re assured the installation will meet all the building code requirements, a worthwhile investment. If you have plumbing experience and tools, you can do it yourself for $120, the cost of the new control, and save 56 percent.
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Pro Cost—DIY Cost—Pro time—DIY Time—DIY Savings—Percent Saved