Technology Connections · Season 9A simple water heater is more clever than it seemsS9E2 · 2023-02-10 · 23 minPretty clever, ain't it?The show’s own verdict is on its page.← S9E1 · Timer switches: literally just a clock and a switchS9E3 · Home Electrification: There's not a lot to do, and it doesn't have to be hard (Part 1) →