Ordinary elements wouldn't be burned out by dry firing, lime deposits, and sand Stainless Steel Water Electric Heaters 1.5 Tri-Clamp 240V 4.5kw... The element is folded back to minimize length and maximize the heated surface. Immersion Ripple Heater | Foldback Brewing Water Tubular Heater Element With 1 Inch Npsm Thread Tri-clamp Heating Element 1.5" Tri-Clamp Electric Stainless Steel Immersion Water Heating Element Tube Heater Ripple Foldback Element The shape is to minimize length and maximize heated surfaces About this item Stainless Steel Tri Clamp 1.5" Inch (OD 50.5mm) , fit 1.5" (38mm) pipe if that pipe has a 2" flange for triclamp SUS304 Tri-clamp Ripple Foldback heating element provides 2500w 240v of power Easy to Install and fits Standard 1.5" Tri Clamp fitting of American The shape is to minimize length and maximize heated surfaces SUS304 Tri-clamp Ripple Foldback heating element provides 6500w 240v of power It provides uniform heat distribution and offered long performance life, and fits more models of American,for Bradford White, Craftmaster, General Electric and Whirlpool heaters.