Mayfair window

A handy person from Georgia says:
August 10, 2023

Have all parts the only thing that appears to be broken are the coil balances.They are 3/8 inch wide round hole for window mount is 15/64 doesnt have a weight rating on it that I can see.Height of the window it lifts is 25 1/2 inch tall.The only balance I saw that is 3/8 wide is the series 165 but no round hole to mount any suggestions would be great.Thanks Clay 

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Emily from SWISCO responded:
August 11, 2023

Hi there, Clay.

I'm afraid we can't help with this. We haven't been able to locate these springs or an alternative for them, unfortunately. I am very sorry that we won't be able to assist with this repair but please let us know if you have any other hardware questions.
A handy person from Georgia says:
August 23, 2023
Hello, How big is the hole in S180?
For the S190-940 - What is the maximum travel and how big is this hole?
Trying to make something work.
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Emily from SWISCO responded:
August 24, 2023

The Series 180's hole diameter is 5/16" and the S190-940's hole diameter is 3/16". The S190-940 has a travel of 40". 
A handy person from Georgia says:
August 29, 2023
Hi Emily wanted to check on the series 152 coil balance 9lb.product code S152-9.Could you tell me maximum travel and the size of the hole in this balance.Thanks Clay
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Emily from SWISCO responded:
August 31, 2023

The diameter of the hole for the S152-9 is 5/16" and has a travel of 40"! 
940 S190 Coil Balance Spring
940 S190 Coil Balance Spring
S190-940
$11.94
How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
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