Spring mechanism for a tilt window

A landlord from Tinton Falls, New Jersey says:

December 4, 2018

Hello,

I have two bedroom windows that won't remain open. I believe the spring mechanism is broken on both. There are no names, numbers, or markings on the piece. It was enclosed in a plastic sleeve. The attached photo shows the spring outside the sleeve. It's just over 29" in length.

The windows are more than 20 years old. I don't know the manufacturer.

Can you advise?

Bob from SWISCO responded:

December 7, 2018

Hi, and thanks for posting. Could you confirm that the tube is 29"? We only count the tube for length, not the spring. Just want to be sure!

A landlord from Tinton Falls, New Jersey says:

December 7, 2018

Hey. Thanks for the reply.

Just measured it -- the tube alone is 28".

Paul from SWISCO responded:

December 10, 2018

Okay the tube is 28". Now if the tube is 3/8" diameter, go with Series 900-28". If it is 5/8", go with Series 600-28". Please note our tubes are metal not plastic. You will also need the color of the nylon bearing when ordering. Review the media guides alongside this post for more information.

A landlord from Tinton Falls, New Jersey says:

December 18, 2018

Bob and Paul, this was helpful.

Thank you!

Bob from SWISCO responded:

December 19, 2018

Glad we could help! If you have any other questions just let us know.

Spiral Balance Charging Tool for Tilt Windows

75-006

$9.97

28" Series 600 Spiral Tilt Window Balance

S600-28

$9.28

28" Series 900 Spiral Balance

S900-28

$9.10

How to replace a tilt window spiral balance.

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