How do Thermostatic Shower Valves Work?

Have you ever wondered how your shower maintains a consistent water temperature? Well it’s thanks to the shower valve. 

In this article the expert team at Modern Living will give you an overview on how thermostatic shower valves function. 

How do Thermostatic Shower Valves Work? 

Thermostatic shower valves control how the hot and cold water supplies mix. By adjusting this according to the temperature of the water, they help maintain a steady temperature. 

In a standard thermostatic valve this is done through four main elements. Here is how they work individually within the process: 

  • Thermostatic Element – Attached to the piston, this element of the valve will expand or shrink in size depending on the temperature of the water flowing through it.
  • Piston – The piston’s role is to move across the entry portals for the hot and cold water supplies. As the thermostatic element expands when in contact with hot water, the piston reduces the amount of hot water supply and increases the cold one, keeping the temperature consistent. 
  • Return Spring – The return spring effectively does the opposite of the piston. As the thermostatic element contracts with the decrease in temperature, the spring moves the piston. This increases the flow of hot water and reduces the flow of cold water, maintaining the overall temperature. 
  • Temperature Control – This is the external part of the valve which allows you to control the water temperature. It’s usually shaped like a dial, so you can easily adjust the water to your liking. This will manually move the piston, changing the flow of hot and cold water. 

What are the Types of Thermostatic Shower Valves? 

There are three different types of valves – bar, exposed and concealed. 

Bar Valves

Bar valves are a type of exposed valves positioned horizontally with the temperature controls on one side and the pressure controls on the other. The Vita Veneto chrome bar valve pictured below is an eye-catching example of this shower valve type. 

Exposed Valves

Exposed shower valves sit externally to the wall making for a traditional look. Take this Siena Modern Exposed Thermostatic Shower Valve for example, with its stunning chrome finish this valve will perfectly match every bathroom. 

Concealed Valves

If you seek a more discreet, modern look, concealed shower valves are the perfect choice. With this type of valve all the elements sit behind a plate installed flush to the wall with just the controls exposed. The Scudo Core Shower set is an ideal option if you’re looking to add a stunning focal point to your shower room. 

Shop Thermostatic Shower Valves From Modern Living

Looking for a new modern shower valve for your bathroom? Have a look at the full range of shower valves available at Modern Living! With plenty of models to choose from you certainly won’t struggle to find an option to compliment your design. 

For more bathroom inspiration, pay a visit to our Bradford showroom. If you have any additional questions regarding our products, don’t hesitate to contact our team

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