new hardware to be install

Question

As per discussion this morning with someone there, here is some pictures. ,let me know what product I need, I'll give you a mastercard number to order one for approval by architect, if product is approved I'll order around 70 kits. Probably series 200 will be ok . Pierre

User submitted photos of window hardware.

Paul · Accepted Answer

Hello! For these old windows, we recommend our 5/8" diameter Series 500 spiral balance. We also recommend using a 17-012 bracket to attach it to the sash. This balance has been used on wood windows like this since the 40s and I find it to be very reliable.