Many Delta shower faucets have an anti-scald feature on the cartridge located right under the handle. This part adjusts and limits the overall maximum temperature of the water. It only takes about 10 minutes to make the adjustment if you've worked with faucets before. If you haven't, allow yourself about a half hour to complete this project. Adjusting the water's temperature protects you and your family from scalding hot water.
- Skill level:
- Moderately Easy
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Things you need
Remove the smaller knob, called the temperature control knob, from the front of the Delta shower faucet. This smaller handle looks like a dial. Pry it gently from the front of the faucet with your hands, then take off the base by removing the screw in the base with a screwdriver.
Insert a thermometer into a small container, one that's easy to handle. Rotate the faucet's handle to turn on the water and turn the handle to the hottest setting.
Insert the container with the thermometer under the faucet in the water stream, careful not to stick your hands under the water. Once the water reaches maximum temperature after two to three minutes, remove the container and read the thermometer.
Move the dial counterclockwise to increase the temperature, or rotate it clockwise to decrease it. If the temperature is over 48.9 degrees C, decrease the temperature several notches. In most cases, each notch relates to a drop in temperature of between -15.5 and -8.88 degrees C, depending on your water heater and plumbing.
Adjust the anti-scald dial as needed until you're satisfied with the temperature of the water.
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