BTG 640 Back Draft Damper

Back draft damper designed for the TG 300-800, TG 400-500, TG 400-800 and TG roof curbs, which can be fitted as long as the roof curb is installed vertically. The frame and damper vanes are manufactured from galvanised sheet steel. The frame is screwed or riveted on to the roof curb.

Additional information:

• Brand: Systemair
• Warranty: 1 year manufacturer's warranty
• Delivery: This item is usually stocked overseas and takes about 2–3 weeks to deliver. If held in UK stock, available for delivery in 3–4 days. Enquire on 01609 243164

For more information on BTG 640 Back Draft Damper talk to Puravent