Hot Water Heater Pipes Rattling

Understanding the causes of common.

Hot water heater pipes rattling. Both pipes from the tank go away from the chimney and wall where the noise comes from. I checked the hot water pipe from the tank and it was not lose or rattling. Turn the gas valve knob to pilot. Let s describe the type of noisy pipes to make sure this is your same problem.

The pipes are noisy only after hot water usage. Turn off the water heater at the circuit breaker. In fact the problem may not be your water heater at all. 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.

If your water heater is making noises it could be the result of your household plumbing. This banging or rattling noise is often referred to as water hammer and it s caused by a blocked vent pipe in your plumbing. Water flowing through your home s hot water pipes can cause a wide range of puzzling disturbing or downright annoying sounds. This can sometimes cause the pipes to rub against the wood framing or.

The pipes that deliver hot water to your shower sinks washing machine etc. 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. 4 place the other end of the hose in an area like a basement drain where water can drain to and won t. 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.

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. Some homes use cpvc chlorinated polyvinyl chloride as their hot water supply pipes i e. Pipes could be said to be banging rattling clanking hammering vibrating knocking pounding shaking etc. Never fear here are tips for quieting your water pipes no matter what is causing all that noise.

For gas water heaters. 3 connect a garden hose to the drain valve. For electric water heaters. Three reasons your pipes are rattling water hammer.

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. 2 turn the cold water supply lever to a 90 degree angle. Suddenly and unexpectedly the water. I do not have a chimney cap but it s been like that for 20 years with no problems.

Combating water hammers imagine a fast moving stream of water traveling down a narrow pipe. A water hammer loose mounting straps or high water pressure can cause water pipes to clang and clatter. Causes of noisy hot water pipes.