Hoover floor mate
When you place the clean water tank on the machine, there is a connection between the tank valve and the seal on the body of the unit. If you have been using the wrong solution, ie. lysol or pine sol, they contain elements that will cause the seals to absorb the solution and they will swell and the valve will not open to release the solution into the machine. If this is the case, you will have to replace the main seal on the machine and the small seal on the valve in the tank. I have seen this problem alot because it can be hard to find the proper solution that was designed for the machine.
Put cold water only in the tank and place it on the machine. As you are pushing it into place, look through the clear plastic of the tank and observe the valve. You should see it lift slightly and hear the "glug" of water flowing. You should also see bubbles rise up inside the tank. If this doesn' happen, then the seal and valve are probably compromised and will have to be replaced. Don't use any solutions or additives that contain petroleum distolates or solvent bases as these are the main culprits that will be absorbed and distort the seals.
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