Dyad part #30615 or 30814

A quick learner says:
July 10, 2023
replacing a Dyad arm 5" arm with the numbers 30615 / 30814stamped inside
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Emily from SWISCO responded:
July 11, 2023

Hello!

These numbers have been associated with the 39-089 and 39-090 in the past but this is by no means a guarantee. You'll have to carefully compare the specifications with your old assembly to see if they match up. I'm also happy to take a look at your old operator if you can show me a photo of it with the window open so that I can see a clear shot of the arms. 

Note, we also sell the 39-187 and 39-188 which have a different zig-zag shape. Let me know if you have any questions!
A contractor from Plymouth Ma says:
July 11, 2023
I ordered the 39-187 & 39-188 units and will return the 39-189 & 39-090 the ones I received
Window Dyad Crank, 5"
Window Dyad Crank, 5"
39-090
$43.70
Window Dyad Crank, 5"
Window Dyad Crank, 5"
39-089
$43.70
Sash Dyad Crank, 5"
Sash Dyad Crank, 5"
39-188
$37.10
Sash Dyad Crank, 5"
Sash Dyad Crank, 5"
39-187
$37.10
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