While you wait for answers, we may have found some information which could help you.
Click here for Hoover Steamvac HoseHoover power scrub fh50135?
How can I fix my Hoover Steam-Vac Model F7458-900?
Hot to fix hoover steam vac?
Hoover steam vac has limited to no water coming out of floor portion?
Vacuum cleaner problem?
Why doesn't my Hoover spin scrub brushes won't turn?