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S390-40 40" Series 390 Channel Balance

S390-40 40" Series 390 Channel Balance
Quick Learner Central fla
Jan 26, 2026
Quick Learner from Central fla
Jan 26, 2026
Balance spring
Want to verify these balances they are 30 inches window weighs 24.25 lbs bottoms are. Around 1-16th but looks like may be worn down
+1
Home Owner Milwaukee, WI
Jul 27, 2023
Home Owner from Milwaukee, WI
Jul 27, 2023
Question about Spring lengths in Block and Tackle Channel Balance
I need two block and Tackle balances with standard bottom and top pieces without wings for a non-tilt sash window. Picture 6941 above shows a complete balance taken out of the window and underneath it is the spring that came out of the other balance when the cord broke. (The other pictures are to sh ... (cont.)
+5
Quick Learner usa
Jun 22, 2021
Quick Learner from usa
Jun 22, 2021
Channel Balance Quote Request
Full name: Ricardo Channel series: S390Channel length: 41Channel stamp: 4050Quantity: 2
Quick Learner 70458 Slidell LA
Mar 24, 2020
Quick Learner from 70458 Slidell LA
Mar 24, 2020
Quick Learner Brooklyn
Aug 14, 2019
Quick Learner from Brooklyn
Aug 14, 2019
replacement balances
I would like to know how fast is delivery of the balances if you have them in stock 1 would like 10 pairs Balance #3940
Landlord Massachusetts
Sep 25, 2017
Landlord from Massachusetts
Sep 25, 2017
window balances 2540, 2740 & 3940
all balances measures 1 inch longer then part #'s. Thanks, John
Landlord St. Louis MO.
May 1, 2017
Landlord from St. Louis MO.
May 1, 2017
window balancers
We are looking for window balancers with these sizes; 3070 bsi 2780 bsi 3970 bsi 2760 bsi Can you Help? Thanks Steve
Quick Learner Memphis, TN
Mar 31, 2016
Quick Learner from Memphis, TN
Mar 31, 2016
Spring Assy
The last picture is what I believe to be the problem. Looks like black roller is tilted and string is wedged.
Quick Learner Richmond, VA
Mar 22, 2012
Quick Learner from Richmond, VA
Mar 22, 2012
Identifying Window Balance with Stamp 39 9 GW CMC 11
Hi my name is Spencer and I need help identifying a window balance for replacement. The stamping on it is exactly as follows: "39 9 GW CMC 11" Thanks for any help with this and feel free to e-mail me for anything else you need to know to identify which set of window balances I would need to pu ... (cont.)