picking the right channel balance

A handy person from Corona, CA says:
May 15, 2017
Hello. I think I got it but since I've never done this I figured I'd ask. I narrowed my channel down to 28" SERIES 390 CHANNEL BALANCE with the 2740 option. (28-inch/pd/Series-390-Channel-Balances/S390-28) I measured my shoe and it's 1 1/16. I saw 15-002 measures the same. My channel is 9/16" x 28". Any suggestions or things I need to check before I order? I think I have regency windows.
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Tom from SWISCO responded:
May 19, 2017
Thanks for posting! The Series 390 comes with the 15-001, which is 1-1/8" deep. I would wager that's what you once had, and that it just wore down a little over time. As long as the 19-002 top and 15-001 bottom match what you have, you should be good to go.
A handy person from Corona says:
May 19, 2017
Thanks. An order is forthcoming!
28" Series 390 Channel Balance
28" Series 390 Channel Balance
S390-28
$10.97
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