Coiled balance spring

Question

From my last email, I need to order the coil balance pivot shoe # 15-259 to fit with my old Simmonton model windows. I would like to know which coiled balance spring I need to buy, knowing that my original ones have the # 405 on them.

And do I need new certain teed lance spring cover on them?

Is it okay to use certain teed balance drums #15-157 with them?

Thank you for your answers,

Anne

Casey · Accepted Answer

Hello,

If you have a Simonton window and want to use the 15-259 pivot shoes, you'll need to replace all fo the hardware with the parts shown in the video below. To choose the strength options for the S159 coil springs, we recommend weighing the sash and dividing the weight by the number of springs used on both sides.