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Saniflo is working its only connected to a sink but only pumps three quaters of the water away then stops and leaves rest of water in the sink
Sounds like the pump needs to be de-watered completely and cleaned. There is a pressure chamber that contains, I am guessing here since I hve never taken one apart, a float and a microswitch. If the float gets heavy with gunk or gets a hole in it, it will not float as well and will take more water in the drain pipe to cause it to rise up and activate the micro switch. I don't know how hard it is to disassemble these units but hope it is fairly simple since they are pricey. You said it was only on a sink, not a toilet or both. It is possible that grease has built up (the gunk) and a hot water flush may do the job for you but it will take a lot of hot water flowing through the grinder, that of some grease dissolving drain cleaner.
on Oct 08, 2012
My saniflo does not switch
The Sanialarm has a level pressure switch which can fail in the on or off position. I would replace the switch with a new one. Not knowing how old the unit is there may also be a build up of lime inside.
I hope that this makes sence to you and helps you out.
Be safe and have a great weekend. Tom
Dont for get to rate us we need your feed back :)
on Sep 10, 2011
The Sanibest unit will not
the pressure chamber is sticking or the micro switch has gone bad...Click here
There removal instructions there and exploded diagrams to show you how everything comes apart...
I think the the problem is part#17 on the diagrams... the micro switch...
on Jul 14, 2011
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 :)
on Feb 05, 2010
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