Lamb Ametek 5.7" 2-Stage 120V Bypass Motor for MD & HAH Central Vacuums 3198 When performance drops

When performance drops

The switch box installs to original specifications for a direct replacement

A catch pedal is worked constantly underfoot and can crack or lose its spring

Swapping back to a HEPA cassette later takes seconds: pop the bracket out and drop the cassette in

Worn bristles fail to loosen embedded dirt from carpet fibers

Lamb Ametek 5.7" 2-Stage 120V Bypass Motor for MD & HAH Central Vacuums 3198 When performance dropsThis is a genuine Lamb Ametek Advantek II Ultra suction motor (Part #198A2), a 120 volt, 2 stage, 5. 7 inch thru flow bypass motor built for central vacuum power units. Its dual tapered fan system delivers strong, consistent airflow and water lift, the workhorse behind whole home central vac performance. This motor is the correct replacement for MD and HAH central vacuum power units, fitting models APX, F650t, F650tv, and CV300. If your central vac