Hi. I have a saniflow macerator,it's servicing just the toilet. I installed it about 9 months ago. I have had no problems untill this morning. It is making a clunking noise, the pump is working as normal, no foreign objects have entered the system. The noise sounds like a loose blade, or float clunking, any ideas. Regards Neil
Home - Saniflo - SaniPlus-Round SaniPlus Macerator Toilet with Round Bowl
Answers & Comments
Hi Neil,
The pump is activated by a pressure switch inside the unit and would not normally make any noise, so probably can rule that one out!
From the manual on the saniflo it would suggest either a foreign object in the unit, a defective motor or control unit. It may be that you are unlucky and have a loose macerator blade that needs to be tightened (and loctite applied).
I would double check that the clunking is definitely coming from inside the unit and not a pipe or something else moving (the water pushing the 90 degree rubber discharge tends to move and can create movement around it). When you are sure, it will be the not so nice job of opening up the unit:
FIRST .. RUN THROUGH CLEAN WATER (will make sense later!)
- *** DISCONNECT FROM THE MAINS SUPPLY ***
- Empty the Cistern, bowl and disconnect the inlet pipes to the WC
- remove the WC and cistern
- being very careful, disconnect the outlet (some have non return valves, some don't, so you may get some sludge coming back down the pipe). Hopefully none if you pushed enough clean water through initially
get unit out and wear rubber gloves to protect your hands from getting germs in cuts etc. Normally need a star driver and flat blade screwdriver
If it is the macerator blade it should be clear that it is loose and could be tightened up. It could be play in the motor which unfortunately would mean a new unit - to test, gently pull up on macerator blade and feel for movement vertically.
also check for any foreign objects etc.
While it is out you may as well clean it out - I normally do this outside by putting warm bleached water into the unit for around 30mins, swishing it about and then emptying down a drain (cover up the mains cables in a plastic food bag first!). I also sometimes use a hose pipe to really get into all of the nooks.
Good luck with the fix, if this helps pls leave feedback, if not let me know and I'll try and help some more
Cheers
That could definitely be a problem with the flapper on the check valve. You may need to replace it. But inspect it first for any damages or something stuck.