what lubricant should I use for door closers

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A 4110 with AVB (advance variable back check) would be recommended. Using a SCUSH (Spring Cush) arm will also help minimize shock to all door hardware.
Lubriplate is a grease that can be used for our locks and is available in the price book for purchase, M204-168.
The SEH is an "electronic holder" (ONLY) that is used to hold open a Fire Rated opening. It requires a door closer to be mounted on the opposite side. It is normally used on an existing opening wit...