Replacement for Andersen H29 12#31 8-77

A quick learner says:
August 21, 2011
Hi There,

Just confirming the 24-1231 is the correct replacement for the one pictured.

Thanks!
User submitted photo of their Andersen balance.
Profile picture of Mike
Mike from SWISCO responded:
August 22, 2011
Good Morning,

From the picture I can see the stamp H29 12#31 8-77 - is that correct?

Are there any other stamps on your balance box?
A quick learner says:
August 22, 2011
That is correct, those are the only stamps I can see.
Profile picture of Donna
Donna from SWISCO responded:
August 22, 2011
Yes, the 24-1231 is the correct replacement. Also note, it looks like you have wood right up to the balance box, this may be something that you will have to pry up to install the new balance.
A quick learner says:
August 24, 2011
Thank you for the response. You raise an interesting issue about the shape of the balance box. Apart from the addition of the angular tab on the one side, it looks like the screw holes have been moved as well. This is an issue since the top liner actually secures through one of the holes on the existing balancer. Any suggestion for managing that change?

Thanks,
Thom
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Mike from SWISCO responded:
August 24, 2011
You may find this guide from Andersen regarding the installation of these balances helpful.
Andersen Counter Balance Replacement Guide
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