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SKU: LCN-7949

LCN 7949 Control Box with Auxiliary Blow-Open

lcn 7949 control box with auxiliary blow-open

LCN

SKU: LCN-7949

LCN 7949 Control Box with Auxiliary Blow-Open

In stock

The LCN 7949 is a genuine OEM pneumatic control box designed to provide auxiliary blow-open operation for commercial automatic door systems used in smoke evacuation applications.

The LCN 7949 Control Box with Auxiliary Blow-Open is designed to provide emergency door-opening operation as part of a building's smoke evacuation system. It allows connected doors to open during a smoke evacuation event, helping introduce fresh air into the building.

We are your trusted source for genuine OEM replacement parts, commercial door hardware, electronic access control products, and life safety hardware.

Manufacturer: LCN
Part Number: 7949
Product Name: Control Box with Auxiliary Blow-Open
Electrical Input: 120V AC @ 1amp
Air Pressure Input: 80 PSI minimum / 100 PSI maximum
Dimensions: 15" x 15" x 6"
Primary Function: Auxiliary pneumatic blow-open control for smoke evacuation systems
Application: Pneumatic automatic door systems used for smoke evacuation
OEM Part: Yes

Warranty

  • LCN mechanical door closers offer 15–30-year warranties, while electromechanical products generally carry two years.

Includes

  • LCN 7901 Series Control Box
  • LCN 7902 Series Control Box
  • LCN Pneumatic Auto-Equalizer Door Closers (one or two units)
$3,013.00
$2,109.10
minus minus

Catalogs

Frequently Asked Questions

What is the LCN 7949 Control Box with Auxiliary Blow-Open?
The LCN 7949 is a pneumatic auxiliary control box designed to provide blow-open operation for commercial automatic door systems used in smoke evacuation applications.
What does the LCN 7949 do?
It opens connected doors when activated by a building's smoke evacuation system, helping introduce fresh air into the building.
Does the LCN 7949 replace the normal automatic door operation?
When the blow-open system is activated, it overrides normal pneumatic automatic operator functions. Normal Auto-Equalizer functions are unavailable during activation.
Is the LCN 7949 designed for smoke evacuation systems?
Yes. It is designed to work with a building's smoke evacuation system to open connected doors during an evacuation event.
Is the LCN 7949 a genuine LCN OEM product?
Yes. The LCN 7949 is a genuine LCN OEM pneumatic control box.

LCN 7949 OEM pneumatic control box with auxiliary blow-open operation for commercial automatic doors integrated with building smoke evacuation systems.

LCN 7949 OEM pneumatic control box with auxiliary blow-open operation for commercial automatic doors integrated with building smoke evacuation systems.

LCN 7949 OEM pneumatic control box with auxiliary blow-open operation for commercial automatic doors integrated with building smoke evacuation systems.