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Tom from SWISCO responded:
March 18, 2020
Thanks for posting! This lock might be a bit of an issue. It looks like yours has a particular "step-down" that conforms to the shape of the top of the sash. You aren't going to find many locks that have this step-down since it's made for this specific window design. That would explain why the contractors you've spoken to had such trouble finding it. I'm wondering if we can ignore it. We have several locks that may work in place of yours but they would hang over that step. It won't look pretty, but you may be able to install something there as a gap-filler. You'll have to be creative but it might be possible. Honestly, I'm just thinking out loud right now. Let's not get ahead of ourselves. Before we go any further down that road, I'd like to clear up a few technical details of your lock to confirm if this is even possible. First, can you tell me the distance between the two installation holes, center-to-center? Can you also tell me the offset of the center hole from the back, glass-facing edge of the lock? That will allow us to find something that will at least fit in the same hole pattern. We can go on to talk about how to install it after we cross that bridge. It also looks like your keeper broke. I'd like to see a photo of one that is undamaged and removed from the window, if possible. That might be easier said than done since yours appear to be riveted in. If removing it for a photo isn't possible then I would understand. Seeing an undamaged version might be enough. I'd also like the installation hole center spacing. |
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Tom from SWISCO responded:
March 20, 2020
Unfortunately, we don't have a lock similar to this with a 2" hole spacing and a 1/2" offset. The closest we have is our 90-161, with a 2-1/16" spacing and a 7/16" offset. Keep in mind that after that you still have to account for the step, so even if you are able to get this size to work there is still no guarantee that it will install properly. I would triple check your dimensions just to be 100% sure. As for the keeper, consider our 90-257. I actually think this might be a good match. It seems to have the same design. The two installation holes are 7/16" apart, center-to-center. |
