What causes cold water inlet valve to leak?

Well the most likely causes include: The cold water inlet valve is leaking A loose pipe fitting A leaking temperature and pressure relief valve A corroded anode rod A leaking expansion tank The tank itself is leaking Let’s look at some of the steps you can take to determine which of these is your problem and how you can fix the leak.

What happens if your hot water heater leaks at the top?

When you have a leak at the top of your water heater, the water will drain down and then start to cause electrical problems and other unnecessary complications. In addition to this, a leaky water heater tank can also result in property damage.

Where does cold water come from in a water heater?

Your cold water inlet valve is where cold, incoming water from your home’s main water line enters your water heater. If the valve itself (which sits higher up on the pipe) has gone bad, it will drip water down the pipe and onto the top of your water heater.

What causes water to drip from top of water heater?

This valve delivers water to your water heater to be heated. If the valve sits directly over your heater and has gone bad, it will drip water onto the top of the tank. Check all the connections on the top of the water heater.

What causes a leak in a hot water heater?

The water heater nipples on top of the water heater, which connect the water heater to the cold water inlet pipe and to the hot water exit pipe, is another common place to find leaks. The threads are the thinnest part on the nipple and it is not unusual to find leaks in them.