- Standard spring size is #2.
- The Dorma BTS Floor Closer series is currently non-rebuildable due to odd gaskets and seals used in manufacturing.
- Call Advanced Door Control Solutions, Inc. at 800-473-6781 or Colorado Door Control, Inc. at 800-587-2611 for current pricing on factory replacement closers.
How to Identify:
- The BTS 75 and 80 Series models are easily identifiable by there markings on the top of the closer.