• Protects from structural damage because of temperature/pressure build up
• Compensates for air expansion and contraction
• Heated vent
• Round aluminium cover plate
• Material: Body - All metal parts are aluminium. Internal sleeve - self-extinguishing Lexan
• UL Listing: File No. E57306
• Diameter: See ordering information
• Length: Standard for 101.6mm (4”) wall thickness;
• Mounting: May be mounted through wall or ceiling. Drilled for 4.0mm (No. 8) screws
• Electrical Requirements: 23W, 0.1A @ 240VAC