1/2" Coil Balance

Quick Learner from Dartmouth
Apr 18, 2024 12:45 pm
This coil balance is 1/2" in width and is stamped 840. Do you have a coil replacement that would match this?
840 stamped spring
1 user uploaded images
3 Replies
Emily
Emily from SWISCO
Apr 19, 2024 12:10 pm
SWISCO
EXPERT

Hey there!

Thanks for reaching out to us. I'm afraid we can't identify this spring just yet. We would need to see photos of the pivot shoe so that we can narrow down the compatible springs. Would that be possible? 

Quick Learner from Dartmouth
Apr 22, 2024 8:47 am
The pivot shoe measures the same as part # 15-140.
coil balance shoe
1 user uploaded images
Emily
Emily from SWISCO
Apr 23, 2024 8:58 am
SWISCO
EXPERT

Thank you! Our 15-140 indeed looks like what you have here. The compatible coil springs are the 1/2" Series 150. As for the 840 stamp, the 8 indicates the weight so see the S150-8 8-pound spring. 

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