new hardware to be install

A contractor from quebec, canada says:
June 16, 2015
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.
Profile picture of Paul
Paul from SWISCO responded:
June 18, 2015
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.
Bracket, #32
Bracket, #32
17-012
$1.20
28" Series 500 Spiral Balance
28" Series 500 Spiral Balance
S500-28
$9.52
Spiral Balance Charging Tool for Non-tilt Windows
Spiral Balance Charging Tool for Non-tilt Windows
75-005
$12.10
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
WATCH >
How to adjust a spiral balance on a non-tilt window
How to adjust a spiral balance on a non-tilt window
GUIDE
READ >
How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.