WINDOW SASH BALANCER

A home owner from says:
October 7, 2023
THIS IS A WINDOW BALANCER FOR A SINGLE HUNG WINDOW.
THERE IS NOTHING PRINTED ON THE BALANCER. THE SAH SIZE IS 33 1/2 X 28 WITH 1/8-1/8 GLASS.
THE ISSUE IS THAT THE CURRENT SASH WOULD SLIDE DOWN IN A FEW MINUTES.NEED SOMETHING MORE STIFF THAN THE CURRENT BALANCER
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Bob from SWISCO responded:
October 7, 2023

Hello there. This looks like a 15-102 Double Carrier, which works with Series 145 Coil Balances. Let me know if you have further questions. 
A home owner from Seattle says:
October 9, 2023
What size should be preferred as per the window sash size.
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Bob from SWISCO responded:
October 10, 2023

The window sash size unfortunately doesn't allow us to determine that. Instead, you will need to weigh your sash on a scale and then divide it by how many springs support it, in total. In your case, that's four: two on each side.

So, for example, if your sash were to weigh 20 pounds, you'd want two 5 pound springs on each side.
Double Side Load Carrier
Double Side Load Carrier
15-102
$2.65
Sash Cam
Sash Cam
15-108
$1.28
Sash Guide Base
Sash Guide Base
15-222
$1.40
Sash Guide Cover
Sash Guide Cover
15-223
$1.22
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