Question about Hoover SteamVac Carpet/Upholstery Deep Cleaner Vacuum

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Hoover Steam Vac clean water tank valve leaks

My Hoover Steam Vac clean water tank valve leaks as soon as I fill the clean water tank up. I can hold the tank in the air over the sink and see a stream of water running out the valve. The rubber seal looks in great shape and still very pliable, but my guess is that it's leaking inside the tank where the valve must have a rubber seal I can't see from the outside. I've activated the valve by hand many times and it springs down into the shut position nicely. I opened the valve and shook the tank with warm water in it with the hope of dislodging anything that might be stuck in the valve. None of this has helped. Is there a way to take the valve out of the tank and clean or replace it? Thanks.

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  • Mark Randall Nov 06, 2008

    This solution addresses a lot of places where water could be leaking after the clean water tank is installed in the Steam Vac machine. However, in this case, the clean water tank leaks just holding it over the sink (not installed in the steam vac). Closer inspection reveals small cracks in the tank around the clean water rubber seal on the bottom of the plastic tank. It is evident that the tank can't handle the stress around the rubber valve. So now my question becomes: Is there a way to take the rubber (spring loaded) valve out of the tank and replace it? Also, what type of plastic is the tank made of? Perhaps I can use a plastic epoxy and repair it. Thanks

  • Mark Randall Nov 19, 2008


    You were right on the money. The plastic tank is so thin where this valve is inserted that it will crack eventually. No matter how careful you treat it, it will crack just from the pressure put on it when properly installed in the SteamVac. Someone ought to start a class-action against Hoover on this. I've done a lot of experimenting with epoxies and cements to try and repair it so that it won't crack again. (Because buying a new tank won't really solve the problem. Before long it will crack too.) The best solution I've found so far is to use AquaSeal, which is made to repair Urethane and waders. This stuff sticks to the plastic tank and WILL NOT LET GO when it's dry. Can't even scrape it off with a razor. It also sticks to the rubber valve very well. It's messy and hard to work with in such a small space, so first remove the hard black plastic base of the tank. It snaps onto the clear tank and can be carefully removed. Then carefully remove the valve. Put some AquaSeal inside the hole around the edge making certain to cover all cracks and thin plastic areas that might crack soon. Use a wet finger to get it smoothed into place properly. Then reinsert the valve and put more AquaSeal around the outside of the hole. By the way, the hard plastic center of the valve will come out of the soft rubber part, which will make replacing the valve easier. If the tank has cracked enough that pieces have fallen out around the hole you might have to use a large fender washer to fill the gap; file the hole out of the washer and grind the edges off of it so that the valve fits through it and the washer doesn't interfere with the movement of the rubber skirt when it is compressed. AuqaSeal sticks to the metal washer, but not nearly as well as to the plastic and rubber. If all of that seems like a lot of work . . . it is. The next easier thing might be to buy a new tank and before installing it, reinforce the area around the valve with AuqaSeal. If you're not handy at this type of stuff, or don't have time to monkey with it, just plan on buying new tanks every few years.

  • Anonymous Jan 03, 2009

    Same exact problem. Do all Hoover products have similar issues?

  • Anonymous Jan 03, 2009

    have the same problem. After installed it continues to leak enought that if I let it sit for a min. to start vacumming it has leaked enough that I can start sucking water from my carpet.

  • kilgoretr612
    kilgoretr612 Oct 24, 2012

    I have this issue also. It seems to be coming from the brushes.

  • Anonymous Mar 28, 2014




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  • Master
  • 3,614 Answers

A) make sure that there is not a place for a stair attachment. If
there is make sure air is not leaking through where the attachment goes
on because of damaged or misplaced fitting.

b) some steam vacs leave water behind them and **** up in front of
them. If you just walked forwad with the steam vac nothing would be
sucked into the tank.

c) try taking your finger off the trigger and using the steam vac. If
the tank still empties the trigger is stuck open.

d) try putting clean water in the dirty water tank only and using it on
a dry rug. If water goes somewhere from the dirty water tank you have
a leak.

e) take apart what you can and look at the parts. A good visual
inspection can solve many of these types of problem if you are careful
not to miss anything.

Posted on Nov 06, 2008

  • micromaster
    micromaster Nov 06, 2008

    you can use a epoxy or a sealant gasket to that.much easier to do.


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  • Contributor
  • 1 Answer

Honey! It's broke. You can manuever the little black valves out, but you will only find the hole in the clean water tank. I have the EXACT same problem. My advise to you is to take the valves, caps and handle off, sell them on EBAY and then buy you a whole new clean water tank.

Posted on Nov 18, 2008


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