Until recently, I thought a thermocouple was something only Bob Newhart and Will Ferrell had to be able to pronounce for a scene in Elf. I had no idea it was a real thing. But it turns out to be a pretty important part of a hot water heater, which turns out to be a pretty important thing if you want people in your household to shower.
But I never wanted to understand how a thermocouple works. Or the pilot light. Or the benefits of installing a hot water heater one way over another. I just want my hot water heater to work so I can wash dishes, clothes, and myself. Fortunately (or unfortunately since I will never get that hour back) my plumber, Bill, really cares a lot about the ins and outs of a hot water heater. He told me all about it. In detail. Read more