Question about Sloan M-101526-F42 Flushmate?® Complete Replacement System for FM IV 504

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I have a Sloan Flushmate mod M-101526-F3. It seems to be laking the pressure to flush away the waste completely. Is there an adjustment that I can make?

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The only adjustment you can make is to crank your water pressure up...
But that probably will not solve your problem...
The best thing to do is to call the 800 number on the top of the tank and get technical assistance from them directly... they also will send you free parts if you need parts...


Posted on Sep 08, 2010

  • dherzog126 Dec 29, 2010

    Is the toilet a Kohler? if so what is the model number?


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You could have two problems that could cause low pressure in your tank.
1/ the flush valve can be defective, cause by old o rings which doesnt hold the air pressure in the tank
2/ the tank may have a crack or small pin hole in which air escape and you lose the pressure to flush
check to see if you have water within the porcelain tank this is a sure sign of a leak

Posted on Jan 18, 2012


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1 Answer

I have a sloan toilet model M-101526/ it leaks out of top of tank when i flush it

Depending on the nature and source of the leak, it may be a maintenance issue or you may need to replace a component or the complete system.

You can find troubleshooting procedures, owner's manuals, etc., at

For best results, jot down the serial number and toll-free phone number located on the Flushmate label and call Flushmate between 8:00 AM and 4:30 PM ET (Mon - Fri) for assistance.

Mar 18, 2013 | Sloan M-101526-F Flushmate?® Complete...

2 Answers

Flushmate 503 sprays water out of top of tank, apparently coming for under the flushmate system. The valve doesn't seem to leak. Iahve pressure tested it.

Turn off the water supply at the wall, flush the toilet to relieve the pressure inside the Flushmate, and call Flushmate Consumer Services at 800-533-3460 M-F, 8:00 - 4:30 ET.

They'll need to know the serial number and approximate date of installation of the Flushmate.

You could alos fill out a confidential "contact" form on the contact page of the Web site,

If yu need to use the toilet in the meantime, you can "bucket flush" it by pouring 2 to 3 gallons of water into the bowl. This will generate a standard siphonic flush and won't give you the pressureized extractiopn but it will keep the toilet usable until a Flushmate support tech can diagnose the issue and provide a resolution.

Good luck!

Aug 17, 2011 | Sloan M-101526-F31 Flushmate?® Complete...

1 Answer

We have 4 flushmates & one of them does not shutoff after flush'g & fills up our septic tank ----how do i ajust it to stop

there is no adjustments for the flush mate. only adjustment is for the handle. if your flushmate is not shutting off after flushing, you need to replace the flush valve.

Aug 09, 2010 | Sloan M-101526-F42 Flushmate?® Complete...

1 Answer

I have a sloan m-101526 it works fine most of the time after sitting a length of time its like it loses its prime and has little power. flush it a couple of times and it works fine.

Sounds like it's losing air pressure as it sets unused. If you haven't already, I suggest contacting Flushmate technical support at the toll-free number on the serial number label. They should be able to guide you in identifying the source of any air-loss and recommending a solution.

If it's under warranty and replacement parts are needed, they'll send them at no charge.

Hope this helps.

Jul 03, 2010 | Sloan M-101526-F42 Flushmate?® Complete...

1 Answer

Sloan Flushmate M-101526-F3-Constant Filling

There is a lifetime warranty on the tank and a ten year warranty on parts. Call flushmate and ask. they will not tell you otherwise.

If you use any chemicals in the tank it will void the warranty.

Sep 25, 2009 | Sloan M-101526-F42 Flushmate?® Complete...

1 Answer

My model# is M-101526-F.I purchase unit 7/2000.When I try to flush,I don,t have the pressure that I normally get.I do see some water in the tank.I also need to shake the handle to stop the filling process...

Have you tried the "800" number on the Flushmate label? Loss of air pressure may mean there's a leak in the cartridge, air inducer valve, or possibly even the tank itself.

The handle-shaking thing typically means the handle and rod are binding up and holding the cartridge down after the flush or that you need to increase the clearance between the rod and cartridge cap.

Flushmate tech support should be able to help you identify the cause of the air loss and advise you on the cartridge cap adjustment.

You can also view some helpful videos at

Good luck.

Aug 12, 2009 | Sloan M-101526-F42 Flushmate?® Complete...

10 Answers

I have a Sloan Flushmate, Model #M-101526-F3. The

Absolutely not! Because these tanks have air pressure inside them, and you can hurt yourself or somebody else. You need to get new one... take a look here Amazon com Sloan Flushmate tank. I hope this was helpful. cheers

Jul 10, 2009 | Sloan M-101526-F42 Flushmate?® Complete...

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