This part number 440006633 replaces part numbers 42272104 and 42272104SP. All of these item numbers represent the same tank. Clean water and solution tank and reservoir for all Hoover Steam Vac Dual V models. The new tank design is a direct replacement for part numbers 90001295, 12002549 and 42272137. Includes clean water supply tank, supply tank support, support cover, tank caps and valves. Does not include tank handle - you will need to retain the handle from your original tank. Fits all V2 SteamVac models regardless of serial number. Replaces all Hoover V2 tank numbers 42272137 and 42272142. Original part numbers 12002549, 42272104. Fits models F7223900, F7224900, F7410900, F7210900, F7220900, F7425900, F7431900, F7441980, F7452980, F7424900, F7452980, F7452980, F7424900, F7458900, F7206900, F7205960, F7220950, F7226950, F7425950, and F7431950.