Coil Balance Replacement Parts

A contractor from Nanaimo BC says:
The Springs on these coil balances are a little different than your style These are set up in tandem but the coils have a different notch
If I changed them using your parts what exactly would I need. include the bottom pivot.
Thanks for your time Jeff
User submitted photo of coil balacnes.
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Paul from SWISCO responded:
Thanks for submitting your photos.

Can you submit a few photos of the end of the coil balance and photos of the pivot shoe? This will help us with researching a possible replacement.
A quick learner from Nanaimo BC Canada says:
First pic is the pivot shoe
Next is is the end of the coil spring
User submitted photo of end of coil balance and coil and shoe in sill.
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Paul from SWISCO responded:
Jeff, is there a number printed on the coil?
A quick learner from Nanaimo BC says:
Yes there is a number 5 stamped on the spring
The bright area of the photo blocks the view
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Paul from SWISCO responded:
Thanks for getting back to us.

Unfortunately the manufacturer of these balances has discontinued this specific Series, the one you're replacing. They recommend us the Series 152 as a replacement. You will have to replace your spring with the S152-5 Coil Balance and the housing 15-158 Coil Balance Shoe. You should be able to use the rest of your original parts.
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