Master Flow® Two‑Speed Control Switch ‑ BWS2 Specs
Master Flow® Two‑Speed Control Switch ‑ BWS2 Docs
Master Flow® Two‑Speed Control Switch ‑ BWS2 Videos

FINISHED LOOK
Includes cover plate for great-looking finished appearance

MAXIMUM CONTROL
Two-speed control allows you to adjust your whole house fan speed

Compatibility
For all Master Flow® Whole House Fans
Get automatic Lifetime Protection on your entire GAF roofing system
When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*.
Where to buy
Find a GAF distributor near you.