L3E and L3S Accessories

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

• 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

• 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)

• 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)

• 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)

• 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

• Easy motor pairing and performance control
• Set just 4 parameters to get your fan started
• Equipped with the latest energy-saving features
• Dual safe torque off (STO)

• 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

• 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

• 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

• 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