30" spiral balance

Question

I previously bought 2 spiral balances but unfortunally didint fit in the window channel. A bit thicker. The existing ones are plastic sield or cover ant thinner than the ones I bought before.. the lenght tip to tip is31" and the body  part is 30" at the bottom the tip is yellow instead of red like tho ones i got before

Emily · Accepted Answer

Thank you for reaching out to us. This appears to be a tilt window spiral balance. Is the outer tube 3/8" in diameter? If so, see the Series 900. Note that the length is determined by measuring only the outer tube.

Please let us know if you have any questions.