Why My Shower Switches From Hot to Cold Without Warning
There's nothing more annoying than sitting in a warm, relaxing shower and suddenly being hit by a jet of cold water. Or worse, scalding heat. If your shower constantly switches from hot to cold water without warning, it's more than just an annoyance. It's a sign that something is wrong with the plumbing system and could indicate a number of underlying issues. One of the most common causes of this problem is a pressure imbalance in the plumbing system. In many homes, hot and cold water come from separate lines that must be balanced. If someone flushes the toilet or starts the washing machine while you're showering, the cold water is briefly diverted from the shower, resulting in an uncomfortable jet of hot water. Once the cold water returns, you may once again feel a sudden chill. This temperature swing can be solved by installing a pressure balancing valve or thermostatic mixing valve, which maintains a constant temperature regardless of pressure fluctuations. Another ...