277-05921 | Valve assy 2W NO, 3" 100Cv Eq Pct SS Trim Flanged 8" Pneu Act | Siemens Building Technology

The Siemens Building Technology 277-05921 3"Flg N/O SS MOD=% 100Cv 8"Act is an N/O (normally open) fire damper activated by a solenoid coil. This high-quality damper meets code for fire protection systems. Its fail-safe design ensures the damper closes in the event of electrical failure. Key features include: - Rugged stainless steel damper and housing for strength and durability - Normally open design with fail-safe closure - Suitable for use in air conditioning, ventilation, and smoke control systems Order the 277-05921 3"Flg N/O SS MOD=% 100Cv 8"Act from our HVAC supply store today. our HVAC supply store offers the best prices and fast shipping on Siemens Building Technology products.