21" Series 751 Channel Balance

Product Code: S751-21

21" Series 751 Channel Balance
Main product image of the S751-21 21" Series 751 Channel Balance
Detail view of balance shoe
How to install a ribbed tilt channel balance with knife lock shoe
$9.85/each
Quantity Price
1-11 $9.85
12-49 $8.87
50-99 $8.37
100-249 $7.88
250+ $7.39
Please Note: Bulk pricing applies only to purchases of the same option
Option:
20HD
add $0.45
20R
20TG
add $0.95
Product Description
This is a Series 751 channel balance for tilt-in 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 21 long metal channel.
  • Comes fully assembled with a 15-014 shoe attached and will be ready to install out of the box.
  • The width of the metal channel measures 9/16.
  • 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.
  • Can work for either the left or right side of the window interchangeably.
  • Used in windows manufactured by Kolbe as well as others.
  • Stamp Option Sash Weight Range
    20R 10 to 17 lbs
    20HD 17 to 20 lbs
    20TG 20 to 30 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
Need balances to fit Caradco wood clad windows built around 1980 This discussion includes image(s).This discussion includes video(s). 12 Jun 13, 2018
Ribbed channel balances/SHOES 2 Mar 8, 2018
Ribbed Channel BalancesThis discussion includes image(s). 2 Feb 7, 2018
Ribbed channel balance width This discussion includes image(s). 4 Jan 18, 2018
Window BalancesThis discussion includes image(s). 4 Nov 13, 2017
semco double hung tilt windowThis discussion includes image(s). 7 Oct 6, 2017
Channel balances This discussion includes image(s). 6 Oct 5, 2017
"20 BSI" Balance idThis discussion includes image(s). 2 Aug 11, 2017
Start a new discussion
Use this form to ask questions or to share your experiences regarding this product. Every discussion will be reviewed and answered by our experts.
(your email address will be kept private and is only used to inform you when a response has been made)