BDD
Backdraft dampers for Type P Hooded PRV's, sizes 24 - 84

Features:

• Seals building from outside air intrusion
• Box frame dampers that completely protect the shutter blade
• Automatic operation
• Can be motorized with optional motor kit

IOM

• BDD Installation Instructions - 401-162.pdf

Submittals

Parts

Brochure

• Type P-Hooded Power Roof Ventilators - 340-15.pdf