Dealing with a knocking sound in water heater units
If you've started noticing a weird knocking sound in water heater tanks around your house, you're definitely not alone. It usually starts as a faint thumping and grows into a full-on racket that sounds like someone is trapped in your basement with a hammer. It's one of those things that's easy to ignore for a few days, but once you hear it, you can't un-hear it. The good news is that while the noise is annoying and a bit unsettling, it doesn't usually mean your house is about to explode—though it's definitely a sign that your heater needs some attention before things get worse. ...