Lawson 3530

A quick learner from Jupiter Fl says:
February 2, 2023
Thanks
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Paul from SWISCO responded:
February 2, 2023

Thank you for reaching out to us. Most Lawson windows use the Series 385 which comes attached with the 19-005 top and 15-004 1-3/32" deep bottom fitting. I recommend you measure the depth of your bottom fitting as shown below to confirm. You will also need the 3530 spring strength option for your replacements. 

Let me know if you have any questions!

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
A quick learner from Jupiter Fl says:
February 2, 2023
Hello: It appears the bottom is 1 inch wide as there is no way 3/32 could have worn away even though 25 yrs old.
Let me know what to order
Thanks
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Paul from SWISCO responded:
February 3, 2023

If the bottom fitting is 1" deep, you'd want the S380-36 with the 3530 spring strength option. 
36" Series 380 Channel Balance
36" Series 380 Channel Balance
S380-36
$12.27
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