Single hung vinyl window with dual pane glass.

Question

Balancer nylon wheel is broken. Need new balancer. Pair. The metal is 28" long 5/8" thick channel.

Bob · Accepted Answer

Thanks for posting. This appears to either be an S380-28 or S385-28 Channel Balance. The only difference between these two balances is the depth of the bottom nylon shoe. See below. Measure your old balance's shoe to see what matches best. For a stamp option choose 2740.

Comparison of the S378, S380 and S385 balance shoes.