Question about Bissell 7901-1 ProHeat Scotchgard Upright Wet/Dry Vacuum
I Had the same problem with my model 79011...take the upright handle apart & you will see a pot-metal rectangular box midway down the lower section of the handle with wires on it & 2 hoses attached. This is the water heater unit. LET IT COOL IF YOU JUST HAD THE UNIT ON AS IT WILL BE HOT!!! Take the hoses off & carefully **** the inlets out ( do NOT probe more than about an inch in) with a piece of coathanger wire. Flush heater unit out by hooking a peice of hose up to the heater unit & blow into it to flush the loosened crud out. Hook it all back up & it should work like new! What happens, is the alkalis in the cleaning solutions react with the pot-metal & cause corrosion to build up, eventually clogging the unit, thus not allowing waterflow thru it. Built to fail just like all modern junk! ;) Hope this helps! Ross
Posted on Sep 13, 2010
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Posted on Jan 02, 2017
if you unscrew a bit on the base that allows you to take off the brush, you will see a black plastic strip with very small holes in it. These are where your shampoo comes out of. Take a needle and re-pierce these holes and it should work again. I have just sorted mine out. good luck .
Posted on Mar 08, 2009
there is a belt inside that runs the pump to spray the water. I would take it in a have it replaced. Mine did the same exact thing.
Posted on May 25, 2009
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