Worried? Here's how to tell if expansion tank is bad
If you're noticing water dripping from your water heater's relief valve or strange pressure spikes in your plumbing, you're likely wondering how to tell if expansion tank is bad before a minor annoyance turns into a flooded basement. These little tanks—usually sitting right above your water heater—don't look like much, but they do a massive job. They're essentially the "shock absorbers" for your home's plumbing system. When they fail, that extra pressure has nowhere to go, and that's when things start breaking. ...