Window Channel Balancer

A handy person from WA says:
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hey, thanks for posting. I've narrowed this down to two possible channel balance Series: either our Series 351 or our Series 390 balances.

Now, as you can see, there is only one difference between these two Series, and that is their bottom shoe. The Series 351 uses the 15-002 while the Series 390 uses the 15-001. I can't quite tell what you have based on your pictures, though. Please carefully compare their dimensions to your own hardware and see which is a better match.
Comparison of <a href='Channel-Balance-Shoe/pd/Replacement-Sash-Support-Channel-Balance-Shoes/15-001'>15-001</a> & 15-002
A handy person from WA says:
The 15-001 looks to be what I have.

Any recommendation for the stamp option for this:

2210 5 to 8 lb
2220 8 to 12 lb
2230 12 to 19 lb
2240 19 to 23 lb
2250 23 to 27 lb

The only additional information on the current balancer is: 22 5 FV CMC 2


Profile picture of Tom
Tom from SWISCO responded:
Great! Usually a stamp of 22 5 corresponds with our 2250 option, but you should weigh your sash just to make sure.
A quick learner says:
If the sash weighs 20lbs, would I divide that in half to get the appropriate weight when using two balancers? With 20lbs sash, I would then use (2) 2220 8-12 lb balancers?

Profile picture of Paul
Paul from SWISCO responded:
No. For this kind of balance, you do not divide the weight. All our options are posted assuming both balances will be holding up that weight. If your sash is 20 pounds, I recommend our 2240. It's a good thing you double checked, 2250 would have been too strong!
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