AZ BathMasters

Everything You Need to Know About Shower Mixing Valves

Shower mixing valves are essential components of modern bathrooms. They allow you to control the water temperature and flow rate while showering, so you can enjoy a comfortable and refreshing experience. But what exactly are shower mixing valves? How do they work? And how can you choose the right one for your bathroom? In this informative blog post, we’ll provide comprehensive answers to all of these questions and delve even deeper into the topic.

What is a shower mixing valve?

A shower mixing valve is a device that blends hot and cold water to create a consistent and comfortable temperature for your shower. It’s usually installed behind the wall, so you don’t see it from the outside. There are two main types of shower mixing valves: pressure-balance valves and thermostatic valves. Pressure-balance valves maintain a constant ratio between hot and cold water, while thermostatic valves allow you to set a specific temperature.

How does a shower mixing valve work?

A shower mixing valve works by balancing the pressure of hot and cold water. When you turn on the shower, water flows into the valve from both the hot and cold water pipes. The valve has a mechanism that adjusts the flow of each type of water to achieve the desired temperature. When you adjust the valve handle, you’re actually changing the ratio of hot and cold water that flows through the mechanism.

How to choose the right shower mixing valve?

Choosing the right shower mixing valve depends on several factors. First, you need to consider your water supply pressure. Pressure-balance valves are recommended for homes with moderate water pressure, while thermostatic valves are more suitable for high-pressure systems. You also need to think about your budget, as thermostatic valves are generally more expensive. Other factors to consider include the size and style of the valve, as well as any special features you might need, such as temperature limiters or anti-scald protection.

How to install a shower mixing valve?

Installing a shower mixing valve requires some plumbing skills, so it’s usually best left to professionals. First, you need to remove the old valve and clean the area where the new valve will be installed. Then, you need to connect the valve to the hot and cold water pipes using appropriate fittings. Finally, you need to test the valve to make sure it’s working correctly and adjust the handle if necessary.

What are the benefits of a shower mixing valve?

A shower mixing valve offers several benefits for your bathroom. First, it allows you to enjoy a comfortable and consistent shower experience, without sudden temperature changes. Second, it can help you save water and energy by reducing the amount of hot water you use. Third, it can improve the safety of your shower by preventing scalding accidents. Overall, a shower mixing valve is a smart investment for any modern bathroom.


Shower mixing valves are essential components of modern bathrooms, offering comfort, convenience, and safety. Whether you choose a pressure-balance or thermostatic valve, make sure you select the right size, style, and features for your needs. If you’re not comfortable installing the valve yourself, Give us a call to do the job. With a shower mixing valve, you can enjoy a refreshing and relaxing shower experience every time. 


AZ BathMasters is a locally owned and operated bathroom remodeling company specializing in Cultured Marble Tyvarian shower and tub conversions, walk-in-showers, and tub and shower side-by-sides. Our conversions produce a fresh, clean, and beautiful atmosphere and with over 200 color and design choices we know you will find just what you are looking for.


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