7.5 lbs Series 159 Coil Balance

Product Code: S159-7

7.5 lbs Series 159 Coil Balance
$6.14/each
Quantity Price
1-11 $6.14
12-49 $5.53
50-99 $4.91
100-199 $4.60
200-399 $4.05
400+ $3.75
Product Description
This is a Series 159 stainless steel spring for tilt windows. It moderates the operation of your window sash using a specifically calibrated coil spring that allows the window to stay open when raised and remain shut when closed.
  • Individually, this coil balance can hold 7-1/2 pounds. This is added together with the other coils to support the whole weight of the sash.
  • The weight you need should be indicated as a stamp or imprint on your old spring.
  • Measures 3/4" thick.
  • The maximum travel length is 40".
  • Designed to work with a pivot shoe (sold separately).
  • This coil balance spring is sold individually, not in sets.
  • Can work for either the left or right side of the window interchangeably.
  • Coil balances are also known as constant force window balances.
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Customer Questions & Answers
Discussion # Of Replies Last Post Date
Window parts to simonton windows. This discussion includes video(s). 6 May 16, 2022
No names or part numbers. No numbers on the spring 2 Apr 27, 2022
Pivot missing.This discussion includes image(s).This discussion includes video(s). 11 Nov 8, 2021
Simonton replacement Window CoilThis discussion includes image(s).This discussion includes video(s). 2 Oct 2, 2021
1.227 wide .841 thick 2.7 long double hung window shortThis discussion includes image(s). 4 Jan 22, 2021
"Single Support"coil system This discussion includes image(s). 10 Mar 28, 2020
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