How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
Thursday, October 18, 2018
Here’s some statistics from the Insurance Institute for Business & Home Safety, an insurance industry research organization:
Because water heaters corrode from the inside of the tank outward, there is often no external sign of it’s deterioration. The water heater in the picture above is 28 years old. Other than a little dust and some discoloration of the EnergyGuide sticker, it doesn’t look it’s age--and that’s the problem. It is a proverbial “accident waiting to happen.”
When insurance companies request a 4-point inspection for older homes, as they are doing more often lately, if the water heater is over about 30 years old they will likely request that it be replaced as a requirement for coverage.
There are several things you can do to extend the life of an older water heater, such as draining the sediment from the bottom of the tank every couple of years and replacing the sacrificial anode as necessary, but the best way to avoid a water heater failure and subsequent water damage is to just replace it.
Here’s links to a collection of more blog posts about WATER HEATERS: