Balance springs

Question

Looking for the correct channel balance .  These are marked 29 4.  They are on a PGT non-tilt window.

Paul · Accepted Answer

Hello,

Most PGT windows use the Series 395 balance with 19-005 top and 15-001 bottom fittings. Take a look and if it's a match, you will need the S395-30 balance with a 2940 spring strength option. Thanks for posting!