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Thetford C4 Flush not working

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Just had a night away (2nd ever) & the flush on our Thetford C4 (I think that's the model 2 big hand wheels, one to open & one to flush) doesn't do anything.

I filled the water up so the tube was full but turning the handwheel did not produce a flushing action.


Can anyone throw any light on this?





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Had the same when we had our first van.

Its probably just stuck

You Can just remove it by turning it and pressing on the flush holder and then give it a good clean.

Once you have it out it will become clear.

Good luck

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