Why do thermostatic shower valves fail?

Why do thermostatic shower valves fail?

There are several reasons why the cartridge may have failed; the number one cause is an in-balance in water pressure between the mains cold pressure and the heated hot water(and this is very common). This constant in-balance between the two will cause damage to the cartridge which is housed within the valve.

Do thermostatic mixing valves go bad?

Older model hot water mixing valves age over time and can break down with usage. As a result they can begin to fail in correctly controlling water temperature.

How do you know if your mix valve is broken?

If you are certain that your water is turned off properly yet warm water is continuously dripping from your shower head, then it could be there is a problem with your hot water mixing valve. After an amount of usage the mixing valve ball can shift and not sit properly within the stem of the valve as it initially was.

How do I fix a leaky shower mixer?

The 6 steps on how to fix a leaking shower bar mixer:

  1. Turn off both the hot and cold water supply, and drain the water that sits in the line;
  2. Remove the mixer spout;
  3. Locate the circular rubber seal inside the neck of the mixer;
  4. Take the seal out and replace it with a new one;
  5. Install the spout back to the mixer;

What happens when a shower mixing valve fails?

If a TMV valve stops working correctly, then you may notice that your hot water suddenly starts to run hotter than it should. Sometimes, a failing TMV makes the water too cold. Or, water may not run at the right temperature consistently. It may fluctuate between being hot and cold.

What happens when a thermostatic mixing valve fails?

If a TMV valve stops working correctly, then you may notice that your hot water suddenly starts to run hotter than it should. If the valve can’t regulate temperature correctly, it might not be able to cool hot water down enough to make it safe. Sometimes, a failing TMV makes the water too cold.

How long do thermostatic shower valves last?

On average, the flow cartridge lasts 2 years.

How do thermostatic shower valves work?

A shower thermostatic valve works by maintaining the water temperature within one or two degrees of its temperature setting so that if there was a sudden reduction in flow which can cause temperature fluctuations, the thermostatic mixer shower valve will kick in to regulate the water temperature.

What is a thermostatic valve for shower?

Thermostatic shower valves regulate the temperature of the water within one half of a degree of the desired temperature. This means that you don’t have to keep adjusting the hot and cold water valve as thermostatic shower valves do all the work for you.

What is a shower mixer valve?

Inside a shower mixer valve is a cartridge that regulates water flow and temperature. It can be made of plastic or brass, and it has a series of strategically placed holes that align with the inlet holes on the valve seat when you turn the handle.

What is a shower bathtub?

Most modern bathtubs are made of thermoformed acrylic, porcelain enameled steel, fiberglass-reinforced polyester , or porcelain enameled cast iron. A bathtub is usually placed in a bathroom either as a stand-alone fixture or in conjunction with a shower. Modern bathtubs have overflow and waste drains and may have taps mounted on them.

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