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Double Sash Lock Installation Guide
For ease of installation and continued enjoyment of your Andersen® product, please read and follow this Instruction
Guide completely. You may direct any questions about this or other products to your local Andersen dealer,
found in the Yellow Pages under “Windows”, or call Andersen WindowCare® service center at 1-888-888-7020
Monday through Friday, 7 a.m. to 7 p.m. Central Time and Saturday, 8 a.m. to 4 p.m. Central Time. Assembly
and installation of Andersen products is the sole responsibility of the architect, building owner, contractor and/or
consumer and Andersen has no responsibility in this regard. Thank you for choosing Andersen.
Windows and doors can be
heavy. Use safe lifting techniques
and a reasonable number of
people with enough strength to
lift, carry and install window and
door products to avoid injury
and/or product damage.
Use of ladders and/or scaffolding and
working at elevated levels may be
hazardous. Follow equipment
manufacturer's instructions for safe
operation. Use extreme caution when
working around window and door
openings. Falling from opening may
result in personal injury or death.
Follow manufacturers’
instructions for hand or
power tools. Always wear
safety glasses. Failure to do
so may result in injury and/or
product damage.
“Andersen” and all other marks where denoted are trademarks of Andersen Corporation. ©1997-2011 Andersen Corporation. All rights reserved.
0003010 BB Revised 05/09/11
Double Sash Lock Installation Guide
for Andersen® 400 Series Tilt-Wash, Tilt-Wash Insert and
200 Series Narroline® Double-Hung Windows
Parts Included
(1) Installation Guide
(2) Sash Locks
(2) Sash Keepers
(12) #6 x 7/8" Screws
(1) Lock Cover
(1) Keeper Cover
Tools and Supplies
• Safety Glasses
• Phillips Screwdriver
• Drill
• 7/64" Drill Bit
• Tape Measure
• Pencil #6 x 7/8" Screw
Component Identification
Lock Cover
Keeper Cover
Sash Lock
Sash Keeper
1. Mark Location of Sash Locks
DO NOT cover Grille Grommet on sash with
Auxiliary Keeper. This will eliminate the
option of installing a grille.
• Center the Sash Locks between Grille Muntin
(or Grille Grommet if you do not have grilles)
and Side Stiles.
• Mark center locations for Sash Locks with
light pencil marks on check rail.
Grille Muntin
Side Stile
Mark Center
Location
Sash Lock
Grille Grommet
Interior View
Check Rail
Mark Center
Location