The Norton 1688C-689 Drop Plate is a smart mounting solution for situations where narrow top rails or overhead holders limit standard closer installation. Designed for the 1600 Series, this plate allows secure mounting on rails as small as 2-1/8", ensuring proper function and alignment even in tight spaces.
Enables installation on doors with top rails as narrow as 2-1/8″ (1680BC) or 3-1/8″ (1600BC)
Ideal when overhead holders interfere with top jamb mounting
Precision-engineered for a snug and stable fit with Norton 1600 Series closers
Required when using optional cover (1688C version)
Durable powder-coated finish in 690 Duro (dark bronze) for a clean, professional look