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When did the 901 and 902 Pneumatic Control boxes get updated to 7901 and 7902?

Solution ID

137635

Resolution

The 7981 and 7982 were first introduced around March of 1993. At this time the 901 and 902 controllers were also updated to the 7901 and 7902.

Notes

For further info please contact closers_techprodsupport@allegion.com or call 8776717011, press 2 for Product Support, then 4 for closers.

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