window balancer

A home owner from Bedroom says:
Can't find the correct stamp no. My is 20in block and tackle non tilt with a stamp no. 36 48 What do I need Thanks
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Emily from SWISCO responded:

That's a very odd stamp for a 20" channel balance. Could you remove your balance from your window with the end attachments intact and show us? We would like to see a picture of the stamp as well. The video below will go over exactly what we'll need to see.

How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
How to Replace a Non-Tilt Channel Balance
How to Replace a Non-Tilt Channel Balance
VIDEO
WATCH >
How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to replace a channel balance
How to replace a channel balance
GUIDE
READ >
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