DIY Heat Treatment Oven (no welding)

Making a DIY heat treatment oven. 6 x 6 x 15 internal dimensions, drawing 3200W at 240V (13.5A).
I know this video is really long, sorry. I wish I could make it shorter, bit this is the best I can do without loosing many details and not splitting it into multiple parts.
Parts used:
- Fire bricks: https://amzn.to/37axm7S
- PID controller: https://www.automationdirect.com/adc/shopping/catalog/process_control_-a-_measurement/temperature_-z-_process_controllers/solo_standard_temperature_controllers/1-z-16_din_size_(sl4848_series)/sl4848-vr
- Alternative PID controller option: https://amzn.to/2HCyj0a
- Breaker: https://amzn.to/3m3cmWR
- Limit switch: https://amzn.to/3fvKWqh
- Cord: https://amzn.to/2Kyzq1P
- SS Relay x2: https://amzn.to/33eZhSV
- Kanthal wire: https://amzn.to/2J7o2cD
- Cement: https://amzn.to/375sUHE
- Thermocouple: https://amzn.to/39lfJF0
- Terminal Blocks: https://amzn.to/37adS3c
- High temp wire: https://amzn.to/3fuHbl1
- Clams: https://amzn.to/3nU4Wpr
- RS485 adapter: https://amzn.to/39ajJZb
- Flashing: Get it Home improvement store
- Nuts and bolts

Music: https://www.bensound.com
00:00 Intro
00:24 Parts used
01:35 Making heating coils
06:04 Cutting bricks
12:43 Test heating elements
13:08 Gluing bricks together
17:15 Shaping enclosure
18:58 Prepare electric housing
23:39 Assembling electric parts
33:22 Wrapping enclosure
37:18 Making door
41:50 Making hinges and lock
46:36 Attaching controller to enclosure
48:14 Building front door cover
50:38 Attaching legs
52:38 Attaching door switch
53:52 Repositioning thermocouple
54:19 Tests and conclusions

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