Armstrong 14A43 dual pressure switch, .45/.90 wc; replaces 103271-01, 103613-01, 104549-01, 14A4301, 84W05, 84W0501, 93W77, 93W7701, R103271-01, R103613-01 and R104549-01. These are the same parts for Allied Air, AirEase, Concord, Ducane, Lennox and others.
