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Gradually noticed the flush water flow in the toilet is getting slower and slower. Also, if you were to use the basin or the sink, there was water getting in the WC bowl as well. Time to put on the overalls.
The C200 CS takes water from the aqua-roll. It has an electromagnetic valve that is normally closed so as not to let any water in the bowl when not in use. When one presses the flush button, it activates the pump in the Aqua-roll and at the same time lifts open the electromagnetic valve to let water in the bowl. This electromagnetic valve has a filter fitted in it, to stop any dirt getting into the moving parts. This filter is inside when you remove the big nut. If it lets water in the bowl, then the valve is not closing 100%, it is stuck open or partially closed.
Out comes the Cassette. In comes the wife’s make up mirror for looking up. You will see 10 screws. Take them off. Five plastic bits will drop down. 3 like half moons and 2 squarish kind with 2 screws each. REMEMBER/MARK WHERE THEY CAME FROM & HOW THEY WERE FITTED!
Go inside the van. Pull the toilet bowl up and turn it upside down. Take a photo so you have a record of how things were before you mess them up. Prise the valve out from its hide away, remove the cables, and mark them so you know how to replace them. Undo the large nut, and the jubilee clip on the other side of the valve, remove the valve. Under where the large nut was, you will find the filter; mine was full of charcoal carbon from the TRUMA Filters!!! They are supposed to filter the system, not clog it up.
I removed and cleaned this filter, gently prising it up using a Stanley knife. Now that alone should let more water in.
Next, put a couple jump wires to your battery and to the valve and try to see if you can hear the valve clicking. If it is clicking and you cannot blow any air through the inlet (side with the large nut) when you remove the electricity, your valve is good.
If it is like mine, no clicks and I could blow air when electricity was off, don’t panic there is still hope. Use a thin screwdriver, put it in from the smaller side of the valve. In the centre you will see something sticking down, well push that thing up a couple of times, It has some spring on it. Squirt some Silicone spray and play a few times that middle plunger. Try again the battery. Now you will find that you saved a few quid and you can say to the Mrs, I did it!.
If you find it useful, No call out fee, just 5 Kudos is enough for me.
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I came with nothing and managed to keep most of it.
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Topic: Repair Thetford C200CS electric vent
