Series 390 with a fractional length

Quick Learner from Minnesota
The issue that we having its we need your 390 channel balance 5 EA (with fully assembled 15-001 and 19-002 ends)
However, the length of the channel is 34 5/8.
Please let me know if you can special order for us, because we didn't see it online or if 34" would work just fine. As soon as we hear from you what part number should we use in this matter, we will place the order online with the rest of additional parts that we need to complete the job. Thank you
User submitted a photo of a window balance.
6 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Thanks for contacting us! I think we custom make this, however 34-5/8" is a bit of an awkward length for this Series. We can make a Series 390 for you that is 34-1/2". Could you get that to work? If so, please tell us the stamp printed on the metal channel. That will help us get started. Please also tell me how many you need.
Contractor from Blaine, MN
Sorry, it's actually 34 1/2 :)
We need qty of 5 EA and stamped 420
Thank you so much!!!
Tom
Tom from SWISCO
SWISCO
Expert
Thank you for your patience. That stamp is a little peculiar, and we've had a hard time finding anything that matches. Would you be able to weigh your sash instead? That way, we can at least calculate the proper spring strength. We can't seem to find a match for that stamp anywhere!
Contractor from Forest Lake MN
Tom, The stamp is 3420.
Please let me know what do I need to place the order. Thank you!
Tom
Tom from SWISCO
SWISCO
Expert
Ah, that explains a lot. Thank you! I will email you the order form immediately.
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