Yale 4420 Full Cover Heavy Duty Stop Only Door Closer
Holder/Stop Arm
Door closers shall have built in door stop [and holder] effective at one point selected at installation, from 85° - 110° in five degree increments. Door stop mechanism shall be non-handed and attach to soffit plate. [Hold open mechanism shall have engage/disengage selection actuated by thumbturn.] Closers shall be provided for parallel arm installation using rigid steel main and secondary arm. Similar to the Parallel Rigid arm, this arm incorporates a ,stop at the arm’s soffit plate to dead stop the door at a predetermined degree of door swing between 85° and 110°, in 5° increments. Prior to dead stop the door closer’s backcheck feature slows the door speed to reduce the impact of the stop action. Holder/Stop Arm is intended for use where an auxiliary door stop cannot be utilized and no more than moderate abuse is anticipated. Where more extreme conditions are expected, use of a UNI Stop™ arm is recommended.