Balances 28D USB

Question

Hi,
I need two balances. The markings on them are: 28D USB.
I've included photos of the original for the type of top and bottom clips.
The bottom clip is 7/8". Both top and bottom have wings.

Thank you,

Kelly

Tom · Accepted Answer

I'm not sure if you mean the bottom attachment is 7/8" in width or in depth. We need you to measure the depth, as shown at the bottom. If your bottom attachment is 1" or less in depth, then you can use the Series 380 channel balance. If your shoe measures closer to 1-3/32", then you will need to use the Series 385 balance.

Choose the 29" version of whichever Series you need. The 29" length matches a "28D" stamp.

Sometimes, 28D is equivalent to a SWISCO 2840 stamp option, but you need to weigh to be sure. 2840 holds 23 to 28 pound sashes.

Comparison of 15-004 and 15-005