Diy Powder Coating Oven Heating Elements. If your toaster oven doesn't have a thermostat (lots of cheaper ones don't) then you'll need to wire the output connectors on the pid in series with the mains power to the heating elements. Gamble there is no great black magic in building a powder coating oven.
You build a metal box with a door cover it with standard fiberglass insulation from home depot. 2 1/2w x 1 1/8h opening for heating element installation. The interesting feature is the sliding tray to move big stuff in and out.
Don’t forget to allow room for the swing arc of each set of doors on the oven,.
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