Window no longer stays up

A handy person from NYC says:

July 29, 2018

Hello-
Looking for a part for a double hung window. I've included a pic of what was left of the right side (still mounted), and the left side once removed. I can see a few similar parts in your catalog, but nothing looks exactly right. What characteristics should I be looking for? There were 2 springs. and the width of the shoe is approximately 1.25". Is there 1 piece that includes the entire mechanism, or do I need a Detent clip + Pivot shoe + 2 coil springs?

Thanks for the help!

Paul from SWISCO responded:

August 3, 2018

Hello, thanks for the photos. You can certainly just replace what is broken. The 15-180 pivot shoe uses a Series 190 with 1/2" wide coil spring. You will need the number stamped on the old springs when ordering. Let us know how it works out for you!

A handy person from NYC says:

August 3, 2018

Thanks for your message. There is a number 9 stamped on the coil. I did not see that reflected in any of your coil options. Do you have any recommendations for which one will work for that?

Tom from SWISCO responded:

August 9, 2018

I'm afraid we don't have a Series 190 with a strength rating of 9 pounds. It looks like you have two springs per side, which implies a sash weight of 36 pounds. That's very heavy! Can you confirm the exact weight of your sash? One of our weaker springs may work for you, but we'd have to multiply how many springs you use per side to make up the difference. I'd like to know the exact weight of your sash just to be sure we get you the right hardware.

A handy person from NYC says:

September 7, 2018

I was finally able to get back into that unit to weigh the window. It's 20 lbs. Based on that, which coils would you recommend?

Thanks in advance.

Tom from SWISCO responded:

September 13, 2018

Ah, that's a lot more reasonable. I would recommend using two 5 pound springs on each side, which would be our S190-540.

A handy person from NYC says:

October 4, 2018

ORDERED! Thanks a ton for your help on this. Very much appreciated.

Coil Balance Shoe

15-180

$3.97

Double Support Detent Clip

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