I have identified the balancer as a 380 but it is 23 11/16 long and has "23 9" stamped on it.
Should I order a 23, a 24, or neither and can you tell what weight I need from this stamp?
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Paul from SWISCO responded:
September 23, 2019
With a balance stamped with a "23," indicates to us that the metal length of your balance should measure 24" in length. Confirm the measurement is right by measuring your balance metal to metal only. As for your stamping, it does not correspond to any of our stampings. So, you will need to weigh your sash on a scale and refer to the sash weight chart on the product to decide on the most appropriate option based on the weight of your sash. Please get back to us and let us know if you should have any further questions. |
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Paul from SWISCO responded:
September 30, 2019
Ah, I see the issue. That's not our Series 380. You have a specific kind of balance that has to be specially made. If you remeasure your metal channel, I'd bet it would come up to precisely 23-5/8" long. We can supply this, but we just need to confirm its availability. While we look into that, can you tell me how many you need? Once we have everything sorted on our end, we can email you an order link and price quote for that quantity. |
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Paul from SWISCO responded:
October 2, 2019
Thanks! I'll send that over right now. There's no need to weigh your sash at this juncture, your stamp of 23-9 tells us what the spring calibration ought to be. If you have any doubts, then know that the 23-9 stamp you have is meant to carry 26 through 30 pounds. As long as your sash falls in that range, then you should be good to go. |
