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422 Series Options
- Electric operator or chain hoist
- Bottom sensing edge
- Full sash section with 1/8" (3mm) DSB;
1/8" (3mm) insulated; 1/8" (3mm) and 1/4" (6mm) plexiglass
- Individual lites with 1/2" insulated DSB
- Industrial brown polyester
- 3" (76mm) track
- Bracket mounting (not available on full
vertical)
- Higher-cycle springs in 25k, 50k, 75k,
100k cycles
- Exhaust ports
- Jamb weatherseals
- Bottom strips, including looped PVC
weatherstrips, flexible PVC astragal weatherstrips and
double-contact weatherstrips
- Reinforcing struts of roll-formed steel
hat sections
- Movable center posts for 2" (51mm) or 3"
(76mm) tracks that roll away, with automatic safety catches that
prevent door closure when posts are removed
- Tumbler keyed lock
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