Dampers

GREENHECK 471837 Rectangular Combination Fire Smoke Dampers Instruction

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GREENHECK 471837 Rectangular Combination Fire Smoke Dampers Instruction Installation, Operation and Maintenance Manual Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with these instructions will result in voiding of … Read more

GREENHECK DFDR-510 Round Fire Rated Dampers Manual

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GREENHECK DFDR-510 Round Fire Rated Dampers Manual Application Horizontal installation of round damper models in concrete floors utilizing a steel deck. The hold opening made through the concrete floor may not allow the bottom plate to be placed against the steel deck on an even plane. This installation details how to properly install the required … Read more