35" Series 390 Channel Balance

Product Code: S390-35

35" Series 390 Channel Balance
Main product image of the S390-35 35" Series 390 Channel Balance
Measurements of 19-002 top balance shoe.
Measurements of 15-001 bottom balance attachment.
How to Identify Replacement Channel Balances
How to Replace a Non-Tilt Channel Balance
How to Repair a Jammed Window
Quantity Price
1-11 $11.25
12-49 $10.13
50-99 $9.56
100-249 $9.00
250+ $8.44
Please Note: Bulk pricing applies only to purchases of the same option
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Product Description
This is a Series 390 channel balance for non-tilt windows. It moderates the operation of your window sash using a specifically calibrated spring and pulley system that allows the window to stay open when raised.
  • This balance has a 35" long metal channel. When determining the length, do not include the attached fittings. Only measure the metal channel.
  • Comes fully assembled with the 19-002 top and 15-001 (1-1/8" deep) bottom fittings and will be ready to install out of the box.
  • The strength you need should be indicated as a stamp or imprint on your old metal channel. If you do not have a stamp, or cannot match it up to our options, weigh your sash on a scale and refer to the chart below.
  • The width of the metal channel measures 9/16" but is considered 1/2" in the trade.
  • Can work for either the left or right side of the window interchangeably.
Stamp Option Sash Weight Range
3410 8 to 13 lbs
3420 13 to 18 lbs
3430 18 to 23 lbs
3440 23 to 30 lbs
3450 30 to 34 lbs
3460 34 to 39 lbs
3465 39 to 42 lbs
3470 42 to 45 lbs
*This information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate.
Good Idea!
Balances are sold individually, however, it is a good idea to replace both window balances at the same time. Pairing a new balance with an old one would cause the new balance to wear out faster.
Helpful Tip!
The stamp option represents the strength of the channel balance. Locate the stamp on your channel balance. If your stamp does not match any of the stamp options available or you are unsure of which stamp option you should choose: ask our experts for help.
Customer Questions & Answers
Discussion # Of Replies Last Post Date
Please help me identify the right channel balance to orderThis discussion includes image(s). 2 Jan 31, 2021
Custom Balance 2 Nov 5, 2020
Replacement window balancers This discussion includes image(s).This discussion includes video(s). 7 May 20, 2020
non-tilt balance identificationThis discussion includes image(s). 4 May 9, 2020
Channel Balance IdentificationThis discussion includes image(s). 2 Mar 12, 2020
Need to replace balance This discussion includes image(s). 2 Mar 10, 2020
3440P Window BalanceThis discussion includes image(s). 2 Feb 25, 2020
Channel balance replacement - DennisThis discussion includes image(s). 2 Oct 13, 2019
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