SWISCO - The Replacement Hardware Authority

tilted sash window

A quick learner from Ottawa Ontario says:
Have 30 year old sash tilt aluminum window (very heavy) which will not stay up. It has two 23 inch spiral balances on each side. What replacement parts will I need in addition to the crank. Thanks
Gord
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Tom from SWISCO responded:
Check out our Series 600 spiral balance with a 5/8" diameter outer tube and see if this matches your own part. For the charging tool, see our 75-006.
A quick learner from Ottawa Ontario says:
It matches the 600 spiral. Will I require four balances, two per each side?
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Tom from SWISCO responded:
Yes, it would probably be a good idea to replace all the balances at once.
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