Parts for mi window series 4300

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Handy Person from Raleigh

Jun 9, 2026 5:43 pm

Hello, could you help me find the spring for this window, please?

3 user uploaded images

4 Replies

Bob from SWISCO

Jun 14, 2026 12:48 pm

Hey there. Compare this to the 15-251 Coil Carrier. This system works with Series 160 Coil Balances sold separately. The '10' likely means you need the S160-10 10 pound spring. For a new mounting clip see the 16-032. Let us know if you have questions.

Measurements of 15-251

Handy Person from Raleigh

Jun 14, 2026 4:43 pm

Thanks

Bob from SWISCO

Jun 14, 2026 10:23 pm

Let us know if you need anything else, and thanks for reaching out!