window channel balancer

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Quick Learner from South Park, PA

Sep 30, 2026 3:26 pm

my balancer is 30-3 HN Caldwell non titling type, with 31" long and 1/2" wide metal channel, which one to select?

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4 Replies

Bob from SWISCO

Oct 2, 2026 3:46 pm

Hey there. This looks like an S380-31 or S385-31, depending on the shoe depth. See below. For a stamp option choose 3030.

Comparison of the S378, S380 and S385 balance shoes.

Quick Learner from South Park, PA

Oct 3, 2026 3:23 pm

Hi, Bob,
Thanks for your advice on the S380-31 window balance. I need also the vinyl sash guide as shown, do you know wehat part number is this?
Thahks again and best regards!

3 user uploaded images

Bob from SWISCO

Oct 4, 2026 1:15 am

How does this compare to the 18-124P Top Sash Guide pair? Take a look and let me know.