Is your water heater becoming a bomb?

Is your water heater becoming a bomb?

Second only to the indoor toilet, hot water on-demand inside the house is man's greatest invention when it comes to household creature comforts. There is nothing like a long hot shower (don't tell the drought police) after a day of inspection toil. Especially after emerging from a filthy, wet crawlspace underneath an old house where an assortment of small and medium mammals have made their home over the years. Nasty...