DIY Heat treating oven (build video)

Thanks a lot for watching, I hope you liked the video! Don’t forget to SUBSCRIBE! Folow me on INSTAGRAM! PART LIST: Insulating fire bricks K23 High temperature refractory cement A1 kanthal wire (1,2mm) PID controller K-type Thermocoupple Solid state relay with heatsink. Limit switch (NO) Power switch Ceramic connector ... Inside dimension : 43cm x 18cm x 10cm (17x7x4 inch) Spec: U = 240V R = 26,7Ω I = 9A P = 2150W