27" Window Balance Identification

Question

Hello,

Could you please provide me with the correct part number on your site to replace this 27" window balance?

Thanks,

Paul

Bob · Accepted Answer

Hello and thanks for contacting SWISCO. See either our S380-27 or S385-27 Channel Balances. The only difference between these two Series is the 'depth' of the bottom nylon shoe. With the Series 380 the depth of this nylon shoe is 1", whereas with the Series 385 it is 1-3/32". Compare with your own and see what is best.

Your stamp option of 2640 is for a stamp option of 19 through 26 lbs. If you are uncertain this is correct, you can always weigh your window sash to make sure it fits within this weight range. Let us know if you have any questions.