Motor 115334 120v 7.2" 2 stage for vacuumed astrovac used in the following central vacuum models: P-125, mkx, p-225, mkv before February 1999. P325, mkiii, h1, mki before January 1994. Also used by other manufacturers including: Airvac, beam, eureka, Hayden, md, nutone, power star, and walvac.