window balance

Question

i order 2 black nilon 28 by 5/8 600series..my window sash is about 28 pounds..should i buy the bl
ack nilon or blue

Bob · Accepted Answer

Hello there. If the window sash weighs exactly 28 pounds, you can use either the red or blue tip options for the S600-28. The red will support a sash in the weight range of 7 through 28 pounds, while the blue tip will cover 12 through 31 pounds. Let us know if you have further questions.