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TI-60

AAMA/NWWDA TI-60-101/I.S. 2-97; Passive Ventilators

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Interpretation Requested:

A manufacturer wishes to include a passive ventilator in his product. If the ventilator is installed in the frame between the top of the upper sash and the window header, must the minimum frame height for testing be increased by the height of the ventilator or would be manufacturer be permitted to test a frame height consistent with the minimum frame height and test sash that are smaller than those tested in the same unit if the ventilator was not present?

Date of Inquiry: June, 1998

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