Channel Balances 2420X, Tops & Bottoms

A home owner from USA says:

We would like to replace channel balances (stamped 2420X) for 4 windows (i.e., 8 balances). The balances are 25" long, and thus it appears to me to be Series 350 with 15-002 bottoms. The tops appear to be #19-004 or 19-031. Also, I need one take out clip #16-002.

Attached are photos of the tops and bottoms. Please tell me which tops to buy. Thank you.

Ed
User submitted photos of window balance parts.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. Have you seen our S370-25 channel balance? This seems to have the same nylon attachments as yours. Check out out and see if you agree.
A quick learner from Gaithersburg, MD says:
Paul,

Yes, the S370-25 seems similar. Thank you.
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