[S] Remedial Radiators

[BellCubeDev]

Reason

It fits with Clockwork's steampunk-utility motif and prevents Frostfall/Survival Mode users from getting cold inside the castle.

Description

Add Dwemer radiators to various places throughout the castle and make the Dwarven machinery Frostfall-compatible.

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Suggested by Nexus user Sgtgasmask in this post.