Question about Saniflo & Saniplus& Macerator Pump

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Sanishower operated for short time and then just went to a buzzing noise - first time operation - any suggestions

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  • NannySarah Mar 31, 2009

    I'm researching to figure out what the problem is, my unit has been in use for a couple of years but only occasionally as it was in a guest bathroom. I'm now using the shower connected to the sanishower at least 3 times a week and its refusing to drain the water.. Then it makes the stupid buzzing noise. I'll post back if I find more info!


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It needs cleaning out regularly - at least once a year! We have one fitted to a shower that is used daily. The small amount of hair - that falls out every time hair is washed under the shower - builds up and clogs up the pump. We are on our second pump, the first installed just over 10 years ago, this one is under 3 years old and it already looks like it will have to be replaced.

Posted on Jan 26, 2010

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The buzzing is due to the fact that the motor is unable to rotate so I would call a sani engineer to come and inspect it. You have a 2yr warranty so should the unit be defective you will get a new one.

Posted on Feb 26, 2010

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Sort of... Refer to the saniflo website, they have a Service Engineer page with phone numbers that are area specific.

Posted on Mar 31, 2009

  • jka5412918 Jul 05, 2011

    Install fine mesh clean out screen in your screen shower stall drain. If you do not, hair will build up and get caught in the macerator cutter blades and/or the pump impeller/diaphragm. This will stop or restrict pump operation and eventually and burn up your pump motor. These should be available through Lowe's or Home Depot, or you purchase plastic or stainless fine mesh screen and make your own.


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Loo saniflo

it might have become direct with the main line:
1) must shut the valve off
2) check the internal floating valve whether it works or not and might have to replace it.

Jun 04, 2013 | Toilets & Bidets

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The unit activates when the toilet is flushed and disposes of the waste but then continues to operate making a humming/grinding noise until either the 5A fuse blows or it just stops.If it just stops it...

Check the vent connection for any obstructions of air flow. Air must flow in and out of the vent pipe at all times. Also, check the membrane inside the pump casing, it might be stuck in the on possition. The check valve on the discharge elbow may not be closing properly allowing waste water to drain back into the pump. If you need further assistance you can reach SFA tech support at 800-571-8191

Oct 31, 2010 | Saniflo & Saniplus& Macerator Pump

1 Answer

Do the saniflow toilet need to be plumbed in to mains waste? I have a patient who needs a toilet located outside the house that needs to be trouble free

Hi and welcome to FixYa, I am Kelly.

In short yes it will need plumbed with a smaller drain line to the home waste drain.

The unit uses a fast-rotating blade to reduce waste and toilet paper in the flush water, which is immediately and entirely released under pressure through "small-diameter piping" to the sewer or septic tank. No special maintenance is needed and the pump is sealed for life. This simple and cost-effective alternative to conventional plumbing is ideal for basement renovations and other home-improvement projects. Properly sized, a Saniflo macerating system can handle all the fixtures in a bathroom, including the sink, shower, tub and toilet & endash; even on a septic system. What's more, these fixtures will work up to 12 feet below and as far as 150 feet away from a septic tank or sewer line.

Go to this page and download the manual for the installation instructions:

These are all the installation downloads available on that page:

Installation Instructions:


Thanks for using FixYa,


Jun 01, 2010 | Toilets & Bidets

1 Answer

High pitched sound in house

Saniflow units are completely silent, except when actually pumping. It's worth noting that because they are electrically operated they will not work if you have a power cut - so don't use toilets or anything else attached to them if there's no power or you'll be in big trouble!
Another point about the Saniflows... it may be neat to put them behind tiles, but they will require regular access for servicing so it's not really practical. I advise covering them with a panel that can be quickly and simply removed, if you must cover them with anything, that is.
With regard to the noise (and I ask this in all seriousness), does anyone else hear it? Although you've tried turning off the water at the mains, it's still possible for noise to be transmitted along water pipes from elsewhere (as can be caused by leaks, for example, which can be quite high-pitched).
Apart from that, thought turn to possible insect infestation - bees, wasps or other things depending where in the world you are! Maybe you also need to consider when it started and whether you can connect other changes in your house with that time. Also, is it continuous or intermittent? If intermittent, is there anything else that happens at the same time?
If you find a cause, please do post a reply, as I'm fascinated to know what this is! If you need more help, please post your question again and I'll leave it for someone else to have a go at.
Good luck!

May 26, 2010 | Saniflo & Saniplus& Macerator Pump

1 Answer

Faint buzzing noise, no pumping

which mosel is it? here is a site that has a phone number to call, since I DON'T HAVE THE MODEL NUMBER I can't give you more informaiton. also need to know if it'sa add on system and if it's above floor pump system or if it's the pump in the gray water tank system.

Mar 17, 2010 | Saniflo Toilets & Bidets

3 Answers

Our saniflo toilet is making a continous noise and no water is emptying and when flushing it is backing up into toilet as you will be aware is and has been very cold is this due to frozen pipe outside and...

It's a long time since I had the questionable pleasure of dealing with one of these... However, they are basically just a tank with a float-operated pump. Your continuous noise will be coming from the pump, and this is bad news not only because it means the tank is not emptying but also because these pumps are designed to operate in short bursts rather than continuously. So the first thing I recommend is: don't flush the toilet again until you've got the blockage sorted. Second: switch off the power to the unit (if it's wired in to a wall outlet without a switch, remove the fuse from the outlet). Third: locate the place on the outlet pipe where you think it may be frozen, wrap some rags around it and then pour hot water on it (the rags will help retain the heat). Remember, you are melting ice, so this may take some time and several applications to be effective. From time to time, switch the unit back on to see if it's now draining. Once you get it clear, you should lag all exposed pipe that may be liable to freeze. While the freeze continues, you may also like to consider flushing with a bucket of warm water rather than using the cold cistern! Good luck! P.S. I don't recommend using antifreeze.

Jan 08, 2010 | Saniflo & Saniplus& Macerator Pump

1 Answer

My saniplus macerator has stopped working. The 240volt feed going to it is ok.

does it make any noise? the valve switch may no be working. if you hear the motor buzzing but not working, something is jammed in there. either way, be ready to get your hands dirty.

Nov 13, 2009 | Saniflo SaniPlus-Round SaniPlus Macerator...

1 Answer

I have a 3 year old Sanivite 3 macerator that has stopped pumping. It is used under the kitchen sink for removing water and soft food waste. Yesterday I removed the unit and cleaned the inside which was...

if the unit is properly clean and you have checked the fuse - then i suggest it is the microswitch that needs replacing. these tend to go (break) within 5 years on the sanivite 3 models. If not the swich then it could be the capacitor (try this first - although as the swich is located next to the capacitor you can test this for operation at the same time). if none of this works then its time for a new unit.

Nov 09, 2009 | Saniflo & Saniplus& Macerator Pump

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