stamp on balance channel

A home owner from md says:
in my balance channel it show 29 3 jh is that mean 2930 for stamp option?
Profile picture of Tom
Tom from SWISCO responded:
Yes, usually a stamp of 29 3 corresponds to our 2930 option. However, you should weigh your window sash just to make sure that's correct.
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 4-7 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 856-317-6263 or at