STXD, STXDe, and STXDeRHUL Accessories
411
Non-flanged horizontal mount exhaust backdraft damper
Non-flanged horizontal mount exhaust backdraft damper
- Sizes available: 8"W x 8"H to 30"W x 30"H
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2000 fpm
- Optional motor pack available (411611)
- Use in roof curbs, duct work or wall collars when using a fan or power roof ventilator
- 411 auto exhaust damper is part of the S&P Ventilation Systems Quickship program and ship out in 3 days
611
Non-flanged horizontal mount exhaust backdraft damper
- Sizes available: 34"W x 34"H to 48"W x 48"H
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2250 fpm
- Optional motor pack available (411611)
- Use in roof curbs, duct work or wall collars when using a fan or power roof ventilator
2828.1
Speed Control (Rotary type) (10 Amps)
- Specially designed for use with S&P ventilators rated at 10 Amps or less
- Metal housing
- 10 A, 120 VAC, 60 Hz
ECM-DPC
EC Differential Pressure Control
- Designed to control an EC Motor powered fan
- Used to maintain an adjustable static pressure set point
- Recommended for Rooftop Exhaust, Cleanrooms, Ventilation Systems, Restaurants, Multi-family, Residential, and Hotels applications