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1. Minecraft version:1.12.2
2. Galacticraft version:1.12.2-4.0.6
3. GalaxySpace version:1.12.2-2.1.4
4. AsmodeusCore version (for 2.0.1 version and above): 1.12.2-1.0.2
5. Side (Single player (SSP), Multiplayer (SMP), or SSP opened to LAN (LAN)):SSP
6. Other add-ons:

Description of the issue:
Putting an Ambient Thermal Controller in and oxygen sealer will protect against temperature but not against pressure.

Screenshot/Video:

Attached log file (or url on pastebin.com):