2 Ways To Solve Changes In Water Temperature When A Toilet Flushes While You Are In The Shower

7 October 2015
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When someone flushes the toilet while you are taking a shower, does the water suddenly get hotter than you can handle, or does it cause you to lose most of the water pressure? If so, this can be an annoying problem to have, but it can be fixed. Older homes often have this issue, but there are two good remedies you can use to get rid of this problem. A plumber can help you decide which one of these options is best for your house.

Get A Mixer Valve

When the water temperature and pressure changes because of a toilet flushing, it is often due to the setup of the original plumbing system. The lines supplying water to your fixtures are common lines. This means that is someone uses water in this particular branch of plumbing, it will affect the water supply and temperature in all other fixtures in the line.

When someone uses cold water (such as flushing a toilet) when you are in the shower, the line to the toilet will take up the cold water. This will leave you with hotter water in the shower, because you are not getting as much cold water as you should. If someone turns on a sink with hot water, your shower may get cold because it is not receiving as much hot water.

One way to solve this problem is by installing a mixing valve in your shower. A mixing valve is a device that controls the mixture of hot and cold water that comes out of a fixture. When the valve senses a sudden change, it will correct itself to keep the water a consistent temperature.

The only downside to this option is it can cause a change in water pressure. If the water suddenly turns really cold in the shower, it will try to balance it off by stopping the amount of cold water entering in. This can lead to a decrease in water pressure. Because of this, you may want to look into the second option if your home already has issues with low water pressure.

Install A Separate Tankless Water Heater

A second option you have to fix this issue is installing a separate water heater for your shower. The best type to use for this purpose is a tankless water heater. Tankless water heaters are small systems that can fit almost anywhere. They do not require a tank for hot water, because they do not produce hot water until it is demanded.

A plumber could hook this type of system up to your bathroom plumbing. When this is done, your shower would no longer operate on the old plumbing branch it once used. It would have a separate line from the tankless heater to the shower. This means the water you use in the shower would all come from the tankless heater.

This would provide an efficient way to have all the hot water you need, without ever having to worry about disruptions occurring when someone flushes a toilet or turns on a sink. One important part of choosing this option is making sure you select a tankless system that is large enough for the demands of your shower.

You should also realize it will involve some extra work to get a tankless system in your bathroom. A plumber will have to run a separate water line from your main water supply to the tankless system, but the extra work will be worthwhile when you no longer have to deal with this issue.

Plumbers can help you with any type of issue you may have with your plumbing system. If you would like to learn more, contact a plumber in your area today, or try these guys out