Installing a tank water heater might seem easy, but homeowners who refinish their basements often create a number of code violations with respect to the water heater. Code expert Glenn Mathewson describes 10 common water-heater code issues, including confusion about drip pans and drains, unsupported expansion tanks and plastic vents, lack of combustion air, and more. Some of these violations can be life-safety hazards, so avoiding these mistakes is crucial. –– Fine Homebuilding #KeepCraftAlive