61 Series Caldwell Window Balances. CMC Window Balance replacements. 1/2" x 1/2" non-tilt channel balance. Similar to our 60 series but these balances have a hemmed edge.
How to find your part number?
1. Measure metal channel balance length. (Do not include plastic ends.)
2. Check number stamped on channel. (e.g. 20-2, 27-4, 30-5, etc.)
3. Select our corresponding part number from the chart here.
4. Click on corresponding product below to purchase. Top and bottom balance end brackets must be selected at time of ordering.
***If you DO NOT want ends attached, please add to customer comments at checkout.

8-4 stamped on window balance. Length of Metal Channel: 9 inches. Sash Weight: 10 - 13 lbs. 1/2" Non-Tilt Window…
9-2 stamped on window balance. Length of Metal Channel: 10". Sash Weight: 5 - 8 lbs. 1/2" Non-Tilt Window Channel…
10-2 Number stamped on balance. Length of Metal Channel: 11". Sash weight 5 To 8 lbs. 1/2" Non-Tilt Window Channel Balance Spring.
61 series…
10-3 Number stamped on your balance
11 Inch Length of Metal Hemmed channel balance
Sash weight 8 To 10 lbs
Note: Top…
10-4 Number stamped on your balance
11 Inch Length of Metal Hemmed channel balance
Sash weight 10 To 13 lbs
Note: Top…
10-5 Number stamped on your balance
11 Inch Length of Metal Hemmed channel balance
Sash weight 13 To 15 lbs
Note: Top…
10-9 Number stamped on your balance
11 Inch Length of Metal Hemmed channel balance
Sash weight 15 To 18 lbs
Note: Top…
11-1 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 3 To 5 lbs. 11-1 CMC window balance.
Note:…
11-2 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 5 To 8 lbs. 11-2 CMC window balance.
Note: Top…
11-3 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 8 To 10 lbs. 11-3 CMC window balance.
Note: Top and bottom…
11-4 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 10 To 12 lbs. 11-4 CMC window balance.
Note: Top and bottom…
11-5 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 12 To 15 lbs. 11-5 CMC window balance.
Note: Top and bottom…
11-9 stamped on window balance. 12" length of Metal Hemmed channel balance. Sash weight 15 To 18 lbs. 11-9 CMC window balance.
Note: Top and bottom…
12-1 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 3 To 6 lbs
Note: Top…
12-2 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 6 To 9 lbs
Note: Top…
12-3 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 9 To 10 lbs
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12-4 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 10 To 12 lbs
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12-5 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 12 To 15 lbs
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12-6 Number stamped on your balance
13 Inch Length of Metal Hemmed channel balance
Sash weight 15 To 19 lbs
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13-1 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 3 To 6 lbs
Note: Top…
13-2 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 6 To 9 lbs
Note: Top…
13-3 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 9 To 10 lbs
Note: Top…
13-4 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 10 To 12 lbs
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13-5 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 12 To 17 lbs
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13-9 Number stamped on your balance
14 Inch Length of Metal Hemmed channel balance
Sash weight 17 To 22 lbs
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14-1 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 4 To 6 lbs
Note: Top…
14-2 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 6 To 9 lbs
Note: Top…
14-3 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 9 To 11 lbs
Note: Top…
14-4 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 11 To 13 lbs
Note: Top…
14-5 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 13 To 18 lbs
Note: Top…
14-6 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 18 To 23 lbs
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14-9 Number stamped on your balance
15 Inch Length of Metal Hemmed channel balance
Sash weight 23 To 26 lbs
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15-1 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 4 To 6 lbs
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15-2 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 6 To 9 lbs
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15-3 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 9 To 11 lbs
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15-4 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 11 To 13 lbs
Note: Top…
15-5 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 13 To 17 lbs
Note: Top…
15-6 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 17 To 22 lbs
Note: Top…
15-9 Number stamped on your balance
16 Inch Length of Metal Hemmed channel balance
Sash weight 22 To 26 lbs
Note: Top…
16-1 Number stamped on your balance
17 Inch Length of Metal Hemmed channel balance
Sash weight 5 To 8 lbs
Note: Top…