Adjust Shower Valve

Adjust a symmons pressure balancing shower valve to increase or decrease the water temperature.
Adjust shower valve. The mixing valve s control knob limits the amount of hot water flowing through the valve. The mixture of hot water and cold water available in a shower or tub can be adjusted at the shower valve stem the part found under the faucet. The mixing valve of a shower is installed in order to mix cold water with hot water from the water heater installed in your home before sending the water through your pipes to your shower.
Adjusting the shower temperature control valve can save you from an occasional burn if your elbow should push the single lever up by accident and the hot water showers on you instead. On may 26 2010. Installing a mixer valve is done primarily to prevent scalding accidents from occurring when using the shower.
Many modern shower valves are equipped with an antiscald feature restricting the hot water flow to a predetermined level through the showerhead. Mixing valves are primarily found in older houses and are less popular in newer builds. To ensure our content is always up to date with current information best practices and professional advice articles are routinely reviewed by industry experts with years of hands on experience.
If you ve ever had the experience of being scalded in a shower when someone in another bathroom flushed the toilet you ll. How to adjust a shower mixing valve written by doityourself staff. If there is a loss of pressure in one of the lines the balance is lost and the valve moves closed to limit the supply of water.
The exact process for adjusting the hot and cold water will depend on the type of faucet in your shower or tub but the general idea is as follows. Adjusting the mixing valve s control knob changes the ratio of hot to cold water exiting the. The antiscald adjustment does not alter the water temperature flowing through your pipes but limits the amount of hot water mixing with cold water passing through the showerhead.
A mixing valve cannot regulate sudden changes in water pressure so someone showering runs a risk of getting scalded if a sink toilet or washer unexpectedly draws cold water. Because of the risk of scalding and energy that is wasted because water is kept at such a high temperature it s a good idea to adjust the shower temperature control valve. The shower valve s mixing valve sometimes called the temperature valve combines the hot and cold water and diverts the resulting mixture toward the shower head.