Hot Water Heater Pipes Rattling

The fact that you hear the noise only when hot water is used in the shower is a clue to the source of the problem.

Hot water heater pipes rattling.

Three reasons your pipes are rattling water hammer. Both pipes from the tank go away from the chimney and wall where the noise comes from. Causes of noisy hot water pipes. A water hammer loose mounting straps or high water pressure can cause water pipes to clang and clatter.

For electric water heaters. I do not have a chimney cap but it s been like that for 20 years with no problems. I checked the hot water pipe from the tank and it was not lose or rattling. If this sounds like your noisy water pipes then read on.

An expansion tank is primarily designed to avoid damage to the dank of the water heater but have found that it too can assist with pipe rattling issues throughout the house. Water flowing through your home s hot water pipes can cause a wide range of puzzling disturbing or downright annoying sounds. In fact the problem may not be your water heater at all. As the hot water travels through your home s plumbing the pipes expand and contract when the water temperature warms and cools.

The pipes that deliver hot water to your shower sinks washing machine etc. Some homes use cpvc chlorinated polyvinyl chloride as their hot water supply pipes i e. 3 connect a garden hose to the drain valve. The pipes are noisy only after hot water usage.

Turn off the water heater at the circuit breaker. The expansion tank needs to be sized based on the gallon capacity of the water heater and installed on the cold water line no closer than 18 from the inlet to the water. Pipes could be said to be banging rattling clanking hammering vibrating knocking pounding shaking etc. This banging or rattling noise is often referred to as water hammer and it s caused by a blocked vent pipe in your plumbing.

Understanding the causes of common. Suddenly and unexpectedly the water. Now if a cpvc line was routed through a hole or area that is too tight you ll hear a rubbing clicking knocking noise anytime hot water runs through that pipe. Let s describe the type of noisy pipes to make sure this is your same problem.

2 turn the cold water supply lever to a 90 degree angle. Never fear here are tips for quieting your water pipes no matter what is causing all that noise. This can sometimes cause the pipes to rub against the wood framing or. Turn the gas valve knob to pilot.

Combating water hammers imagine a fast moving stream of water traveling down a narrow pipe. For gas water heaters. Water moving through your pipes can create a vacuum which is normally dispelled by a vent that pokes out through the roof near your faucet or plumbing fixture.