Marking: 34 4 CALDWELL GM
Channel width 0.55
CHANNEL BALANCE
Home Owner from Florida
Jan 2, 2018 4:44 am
CHANNEL BALANCE
Marking: 34 4 CALDWELL GM
Channel width 0.55
Marking: 34 4 CALDWELL GM
Channel width 0.55
2 Replies
Tom from SWISCO
Jan 8, 2018 11:24 am
If you've got wings on the bottom attachments and no wings on top, this would be the S350-35. Verify that the metal channel is 35" long, though. Then, you'll want to choose an option. Your prime suspect should be the number on the channel, 34 4. We have a "3440" option that is similar. See if your window sash weighs between 23 and 30 pounds. If so, 3440 is the option for you.
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