Window Ballast

A quick learner from New Milford, CT says:
September 30, 2017
I'm replacing some window ballasts, and I feel like I'm replacing them all the time. I'm wondering if I have the right ballasts. The ones I'm using are white tipped, 16" tube. I have 11.5 lb windows. Is there a different strength ballast I should be using?
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Tom from SWISCO responded:
October 2, 2017
What type of balance are you using? Can you send a photo so that we can identify your balance and start to think of why it might be wearing out quickly?
A quick learner from New Milford, CT says:
October 4, 2017
Picture attached. Tubes are 16".
spiral balance
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Paul from SWISCO responded:
October 6, 2017
For a 11.5 pound sash, I would select the S600-16 red tip balances, for a sash weighing between 6 and 18 pounds.
16" Series 600 Spiral Tilt Window Balance
16" Series 600 Spiral Tilt Window Balance
S600-16
$8.27
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
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How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
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How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
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