Dayton 4HA11 - 30 in 35 7/8"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 33-7/8 in, Aluminum
Dayton 4HA11 - 30 in 35 7/8"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 33-7/8 in, Aluminum
Couldn't load pickup availability
Ships factory-new in original packaging.
Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.
TIPS Contract Vendor
Officially awarded purchasing cooperative vendor.
Why Buy From Us
Every quote personally reviewed. Direct sourcing from top manufacturers.
35 7/8 In.H-W Aluminum Ceiling Truss Damper, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 1500 fpm, Overall Height 30 3/4 in, Rough Opening Shape Rectangular, Fits Fan Diameter 30 in, Free Area 5.4 sq ft, Overall Width 35 7/8 in, Frame Material Thickness 0.1 in, Frame Depth 1 5/8 in, Rough Opening Length 28 3/4 in, Maximum Pressure 1 in wc, Rough Opening Width 33.9 in, Blade Material Aluminum, Closure Type Gravity, Flange Width 1 5/8 in
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.