Correct length for a S900 Spiral balance

Home Owner from Owasso, Oklahoma
The length,(the best I can tell from measurement of the broken spiral balance)I need to replace is 28.5" Should I order a 28" or a 29" spiral length from Swisco? We look forward to your speedy reply.
4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
Are you definitely just measuring the metal tube (sometimes plastic)? Do not include the colored tip or the internal spiral spring in your measurement.
Home Owner from Owasso, Oklahoma
The length of the assembly, LESS the colored tip and the internal spiral spring, is 27 3/4".
Tom
Tom from SWISCO
SWISCO
Expert
Make sure you're only measuring the tube portion of the balance before you determine what length you will need. For example, I have added an image below that shows the proper measurement of a 10" spiral balance.
How to measure the length of the Series 303 spiral balance.
How to measure the length of the Series 303 spiral balance.
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