ND backset extension

RELATED FAQS

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Answer
A 3' exit device can not be modified to a 4' exit device. You will need to replace the device with a 4' one.
Wallboard must penetrate a minimum of ½” into the hollow metal frame, based on NFPA Pamphlet 80, (page 80-2, figure A.4.6.3.1) .
A modular cylinder's length is determined by 4 basic parts; a cam screw, cam, plug extension, and a back housing.  Most of these parts are used in more than one cylinder length and...
The spring in the hinge case or end case assembly lifts the crossbar and both lever arms.  If broken, the crossbar and lever arms will drop down. The weight of the crossbar and levers will automati...
The magnet extensions can be used with both the SEM 7800 and the SEM1900 magnets. To add extensions to the SEM series magnets, you "MUST" start with the 7810-514 coupler kit. The coupler kit pro...
 8827 vertical rod device is available for 7 or 8 feet tall door standard. 12", 24", 36" and 48" extension rod kits are available for taller doors (8 feet max on fire rated openings). We do no...
A standard device mounted at standard templating location will fit up to a 8'4" tall door. Extension rods for non fire rated devices over 10' are available and can be found in&nbs...
Up to 8' replace the top rod with part # 4270100018. 
From 8' to 9' use the part # 4270100172 extension rod kit
From 9' to 10' use part # 4270100197 extension rod kit. 
To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...
The extension rod could be used either on the top or bottom rods.
 Falcon T Lock Latch Conversion Table       Effective mid-June 2013  Old Part Number   New Part Number       ...
   Falcon T Lock Latches No Longer Offered With The T Lock     Effective mid June 2013  Old Part Number  New Part Number   &nb...
A and AL product: Must use the 2 3/8" backset with the 41-005 extension linkD Knob and ND product: Must use the 2 3/4" backset with the 43-005 extension link
This is available, specify 41-005 for an extension link that is used with a 2 3/8" latch to effectively make a 5" backset.
The 9927 installed on a 7'1" door requires a 12" extension rod
Only the Schlage D-knob and ND products are available with an extra long backset.  The part number for backsets over 5"-42" is XC03-069, this part will ship as an extension link to be used with a s...
The easiest method to obtain an AL lock for a 2" door is to specify a 2" thick door when ordering.  
Part required by function:2 each A700-043 driver & A700-034** lever insert in addition to the chassis parts below:AL10S – 2 hubs A700-028AL25D – 2 hubs 1 A700-028 (inside), 1 A700-030 (outside)...
A service kit is available, part number 40-223.  Product description available HERE. 
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...