Every modded machine in that types will accept 2 modules, if didn't accept before.
You can put modules in Stone Furnaces and Steel Furnaces too. All Furnaces, modded included, accepts Modules. As a bonus you can also put modules in mining drills and assembling machines that you could not before.
Mods introducing new content into the game.
Every modded machine in that types will accept 2 modules, if didn't accept before.