Need to replace my coil balance

A home owner from california says:
Hi:

As picture, could you quote me the part number and price tag that I can order a pair of replacement balance? Thanks!

James
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Paul from SWISCO responded:

Hello,

It looks like you have an old style coil spring balance. You can use S140 balance system but you will need the the spring weight code number either stamped on the nylon housing or the spring. You will also need to replace the pivot bar with our 26-405 to go with S140.

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