Norske Backer Water Heater Elements are the go-to replacement for most double-element water heaters, including AO Smith, Camco, Rheem, Ruud, and Backer-Springfield. With the choice of Straight “Hairpin”, Foldback, or Heavy-Duty Foldback style, these water heater elements come with the necessary gaskets and instructions to help simplify electric water heater diagnostics and repair.