Here's the heating element in the kettle. 4500 watt running at 240v. The nut is stainless with an o-ring that came from a home brewing supplier.
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Here you can see the drain valve and the temp probe.
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Electrical connection on the outside. There's a piece of PVC pipe with a cap that the wire runs through to protect from an accidental defibrillation. The ground wire runs to a grounding clip from a metal work box. She sits in a round cradle from the first version that was half a plastic barrel.
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The brains. This PID controller lets me run based on temperature or a percentage of total available power. As the boil nears the end I can dial back the boil to any percentage of capacity to make it a bit less of a panic situation and nearly eliminate boil overs.
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