Question about Saniflo & Saniplus& Macerator Pump

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Saniflow plus pump will not stop running. unit is about 4 years old.

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The membrane located at the bottom of the pressure chamber might be warped, if it is, it will have to be replaced. Also, solids can be build up at the bottom of the membrane not allowing it to shut off, cleaning up the membrane could fix the problem.

Posted on Mar 21, 2013

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Posted on Jan 02, 2017

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SOURCE: my saniflow is running constantly.

Shut the water off to see if it stops running. if so the flush valve seat has calcium build up and needs to be cleaned start by using CLR to help dissolve the calcium. If running water is not the problem, the mercerator is jammed with paper and will need to be cleared.

Posted on May 13, 2009

  • 2976 Answers

SOURCE: the saniflow unit is only 4 months old at first it

There is no nice way to say it. You are going to heve to open it up and look in it to find what's stuck in the macerator mechanism.

Posted on Oct 16, 2009

  • 82 Answers

SOURCE: my saniflow pump works intermittently - it is about 14 years old

Open it up and give it a clean first .. fixes 90% of all ailments

Posted on Jan 17, 2010

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1 Answer

Opening a saniflow unit


Here is a nice link for your saniflow maintenance.
http://www.plumbteamltd.co.uk/sanifloguide.html
This will definately help.

Jan 16, 2013 | Saniflo & Saniplus& Macerator Pump

1 Answer

Saniflow macerater wont stop running


sounds like a stick float vave check this link on maintenance of your system.
Check the masserator is clear also check the outflow pipe , maybe a good clean see this link for more info
Here is a nice link for your saniflow maintenance.
http://www.plumbteamltd.co.uk/sanifloguide.html
This will may help.

Dec 01, 2012 | Saniflo & Saniplus& Macerator Pump

1 Answer

Pump randomly runs


This problem maybe caused by a slight weep of water from the cistern the saniflow has a sensitive float system , once level is reached the unit will turn on until required level is acheaved again . So check toilet bowl to see if the is a trickle of water if so you need to take a look at the flush system in your cistern.

Here is a nice link for your saniflow maintenance.
http://www.plumbteamltd.co.uk/sanifloguide.html

Nov 17, 2012 | Saniflo & Saniplus& Macerator Pump

1 Answer

My saniflow dosnt allways come on when you flush


That can be a problem with the pressure chamber, the membrane might be warped or the micro switch may be defective. Open the lid and remove the motor and presure chamber. Inspect the unit for damages or any broken pieces. Check that the membrane is not warped. This can be tested manually by placing the motor on a work bench and putting pressure on the membrane to manually start the pump on and off. If parts are needed you can buy them through Saniflo directly. Their website is www.saniflo.com

Jul 13, 2010 | Saniflo 013/003/005 Sanibest Toilet with...

2 Answers

Saniflow motor is not swiching off after water is pumped out


The "Sensor" has failed, it needs to be repaired or replaced.

Apr 16, 2010 | Saniflo & Saniplus& Macerator Pump

1 Answer

Saniflow plus works allright for w.c but will not work for shower


Thanks for the clarification - This rules out power supply to the unit, motors/pump and points more towards why the water would be pumped from the WC flush and not the basins ...

1. The Saniflo range of macerators have a pressure switch that engages when the water pressure inside the unit activates a microswitch that is encased in a waterproof container. It is possible that the water pressure from the shower and basins is not great enough to activate the internal switch.

So, I would propose two checks

a) If the unit previously worked for the shower and basins something has changed and it is most likely to be gunk inside the unit causing the switch to be less sensitive and only activate on the high pressure that the WC would provide. The fix would be to open up the unit and clean it - please let me know if you need info on how to do this

b) If this is a new install and the shower and basins never worked, you should check the fall in the pipework into the Saniflo is sufficient (should be 1 in 70 from memory - full install instructions are available from the Saniflo website)

c) It could be that if the unit has been in for a long time with a large number of operations that the microswitch is starting to fail and is not as sensitive as it once was (quite unlikely) - but always a possibility!

Replacement microswitches are freely available online and you should also be able to get the exact match spares from Saniflo

If this helps please leave feedback - if not please let me know and I'll try and help some more!

Good Luck :)

Feb 05, 2010 | Saniflo Sanibest Grinder Pump Only 013

1 Answer

My saniflow pump works intermittently - it is about 14 years old


Open it up and give it a clean first .. fixes 90% of all ailments

Dec 07, 2009 | Saniflo & Saniplus& Macerator Pump

1 Answer

Saniflow pump will not switch off


indicates a dirty / semi blocked unit. try cleaning and descaling. if the unit is old then it could be the microswitch - but i think not as these tend to fail to switch on rather than off. Try the dirt option first.

Nov 30, 2009 | Home

1 Answer

My saniflow saniplus has stopped pumping water i think- the toilet and bath has filled up with waste water. i have taken the top off the saniflo and blades are working fine but they keep going because the...


We had that problem but the unit was built in and I could not get at it, the outlet pipe sounds like it is blocked, I cleared mine by connecting a pipe from the cold tap to the outlet pipe and flushing.

May 11, 2009 | Saniflo & Saniplus& Macerator Pump

2 Answers

My saniflow is running constantly.


Shut the water off to see if it stops running. if so the flush valve seat has calcium build up and needs to be cleaned start by using CLR to help dissolve the calcium. If running water is not the problem, the mercerator is jammed with paper and will need to be cleared.

Mar 27, 2009 | Saniflo & Saniplus& Macerator Pump

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