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Next Generation Bare Wire Water Heater

  • US 20190049149A1
  • Filed: 10/17/2018
  • Published: 02/14/2019
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
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1. A heating unit comprising:

  • a tube having a flange and at least one indexed groove located along a length of the cylindrical tube and forming a continuous recession across a circumference of the cylindrical tube, wherein the at least one indexed groove contains a retention clip; and

    at least one electrical resistance heating element positioned outside the indexed grooves and having a first end connected to the tube via the flange and a second end connected to the tube via the retention clip.

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