L2E and L2S 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
ACD
Extruded aluminum motorized volume control damper
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Extruded aluminum hat channel frame with extruded aluminum blades
- Internally mounted factory installed 100-240 volt power open / spring close motor with an end switch
- Maximum free area velocity - 3500 fpm
- Use in exhaust or supply applications
- For vertical or horizontal mounting (typically walls or curbs)
ACL
Extruded aluminum combination louver/damper
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Offers superior resistance to rain and weather
- Ability to completely close the opening if needed
- Standard birdscreen on the interior
- Extruded aluminum frame
- Drainable style 45 degree extruded aluminum blades
- Optional motor packs available (MTR-ACL)
GMD
Heavy duty motorized volume control damper
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Galvanized steel frame and blades
- Internally mounted factory installed 120/240 volt power open / spring close motor with an end switch
- Maximum free area velocity - 3500 fpm
- Use in exhaust or supply applications
- For vertical or horizontal mounting (typically walls or curbs)
6002 / 6002-14B / 6002A / 6002-14A
Ventilation Gas Detector
- Stand-alone operation with 1 or 2 adjustable alarm relays, indicators and strobe
- 6002-A and 6002-14A have 1 relay and accept 4-20mA or 2-10V signals from VFDs or ECMs for speed control
- BTL listed Smart Sensor
- BACnet MS/TP RS485 interface
- CAN network interface for master-slave operation or central control
- Pre-calibrated plug-and-play sensor modules
- Impact resistant water resistant enclosure
556
Rear flanged general purpose exhaust shutter
- Sizes available: 12"W x 12"H to 48"W x 48"H
- Single or Double Panel
- Galvanized Steel frame with aluminum blades
- Maximum free area velocity - 2500 fpm
- Optional motor pack available (EAS)
- Use with direct or belt drive exhaust fans
- For vertical mounting only
AFL
Aluminum fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Provide good protection from rain and weather at an economical price
- Standard birdscreen on back
- Aluminum frame
- K-style non-drainable 45 degree aluminum blades
DFL
Drainable extruded aluminum fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Drainable blade design channels water away from the blades and down the jambs
- Standard birdscreen on back
- Extruded aluminum frame
- Drainable style 45 degree extruded aluminum blades
GFL
Galvaneal steel fixed louver
- Sizes available: 18"W x 18"H to 48"W x 48"H
- Provide good protection from rain and weather at an economical price
- Standard birdscreen on back
- Galvaneal steel frame
- K-style non-drainable 45 degree galvaneal steel blades

