Though water heaters are relatively maintenance free and a home appliance that homeowners do not have to give much thought to, there are a few things that need to be checked periodically. yes, they can be dangerous and some of the important parts will ensure that the water heater does not blow up, not to scare anyone, but that is a rare possibility.
The following infographic does a nice job of illustrating the main safety precautions that one should check to make sure the home’s water heater is functioning properly. . .if for no other reason than to make sure it is running at optimal levels to conserve on energy costs.