window channel balance replacement

A handy person from new jersey says:
July 5, 2017
trying to replace some window channel balances. Can't seem to find the exact one I need. Window information is as follows:
AAMA 101-85
Mfr: PEN-1
series 2001
DH-R30/
DH-C30
3860/4676
stamp on balance 2740
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Tom from SWISCO responded:
July 5, 2017
To start, you can follow our channel balance guide to try to identify the Series of your balance. Judging from your stamp, you need a 28" balance with a 2740 stamp option. You should carefully check both ends of your balance to find a Series that matches yours. You can also send photos of both ends of your balance. We can identify the balance to save you the trouble.
28" Series 800 Channel Balance
28" Series 800 Channel Balance
S800-28
$31.65
How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
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