Replacement Arm

A quick learner from Erie, Pa says:
Have an Anderson casement window. Need a left and right hand replacement arm. The # on it reads 7191.2 or 71912. Not sure if the dot is part of the product stamping or is meaningful.
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Julia from SWISCO responded:

Hi there! Thanks for writing in. Take a look at our 39-150 & 39-151 Andersen straight arm operators with 8-3/8" arms, as well as our 39-094 & 39-095 Andersen operators with 9-3/8" arms. Compare their dimensions to yours to see if either of these pairs might be a fit. Good luck with your repair!

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