Balances that look like yours

A contractor from Port Clinton, Ohio says:
I have balances that look like yours but I am not sure.

The only marking on it is on the 25" channel is "a 2440".
2440 channel balance
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Donna from SWISCO responded:
Hi, I am still working on finding the top sash guide for you but have identified the balance fittings. SWISCO product code 19-038 is the channel balance top and SWISCO product code 15-193 is the balance shoe.
I would be happy to email you a custom ordering link for the 25" balances with stamp number 2440 and the 19-038 & 15-193 attached, please let me know the needed quantity.
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Donna from SWISCO responded:
It has just come to our attention that the Top Sash Guide is discontinued and no longer available, no known substitute at this time.
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