If you have problems in your existing showers it could be a result of a faulty shower mixing valve. The shower mixing valve whether a pressure balancing valve
a thermostatic valve / thermostatic mixing valve or a diverter /transfer valve they all can make your showering experience uncomfortable and ineffective. If you have such a problem in your shower set and can not identify the exact problem you may do few steps to identify if you have a faulty mixing valve.
The first step is to isolate any Water Problem in Your Shower
The water problem in your shower could be: low water pressure, dripping faucet, a stiff handle, or either hot or cold water dispensing only: It is always important to determine if you have Low Water Pressure in your house The mixing valve could be clogged, reducing the water pressure. One more thing you may look into which normally is an obvious issue do you have dripping Faucet
If the faucet is dripping, the mixing valve ball is not seated properly in the valve stem .
