Paul from SWISCO responded:
May 23, 2012
Thanks for posting, Richard! For a stamp of 27C, I think you should choose the 2730 option. Some companies use letters for the stamp instead of numbers. Traditionally A corresponds to 1, B to 2, C to 3, etc.
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Paul from SWISCO responded:
May 23, 2012
I can't speak for the exact measurement, it's hard to tell from this angle. You'll have to measure it yourself. Is the depth 1"? If not, how far over 1" is it? Just by looking at it, I can say with some confidence that it probably isn't 15-003, which has very tall fins.
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Paul from SWISCO responded:
May 24, 2012
Would you mind taking a photo of your top sash guide and sending it to us? We will need to see a photo in order to properly identify the sash guide you need. It might be easier for you if you remove it from the sash.
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Paul from SWISCO responded:
May 24, 2012
It should be screwed in. Keep in mind that you will have to remove the sash in order to remove the top sash guide.
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