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How to Know When to Replace Your Hot Water Tank. Hot water tanks last for years, but
when they're on their last legs, there are symptoms you can look for to determine whether
they need to be replaced. You will need Cold water Less hot water Leaks Sludge or corrosion
Unusual sounds and old tank. Step 1. Feel the water. If you turn on a hot water tap
and the water is cold, or if you expect to climb into a nice, hot shower and are blindsided
by icy water, it's probably time to replace your hot water tank. Step 2. See how long
your supply of hot water lasts. If you used to take much longer showers before the hot
water ran out, there is probably a problem with the tank. You may need a new one. Step
3. Check the floor around your hot water tank for standing water. If there are puddles or
pools of water around the base of the tank or a stream of water running from the tank
to a floor drain, there may be a major enough leak that you will need a replacement. If
your hot water tank is older and you don't regularly drain and refill it, draining it
may actually create an irreparable leak. Step 4. Inspect the fittings and plumbing connections.
If there is water, sludge, or corrosion, there is likely a leak, and it may be time to get
a new tank. Step 5. Listen to your hot water heater. If it frequently makes clanging noises,
or if you hear pops or other unusual sounds, there is probably a mechanical problem. You
will need a replacement tank. Step 6. Check the age of your hot water tank. Most hot water
tanks are warrantied for 5 to 10 years. While many last for years beyond the warranty's
expiration, if you notice inadequacies in your tank's performance and the tank is beyond
its warranty date, it's probably time to get a new one. Did you know As of 2010, the average
American household spends as much as $500 per year on its water and sewer bill.