The last 3 caravans we have owned have had the flush tank on the Thetford toilet filled from a small door on the outside of the caravan above the door for the toilet waste cannister. When we leave a site I always empty the waste tank and ensure that the flush tank is no more than about 1/3rd full. Our latest Bailey is just over 6 months old and earlier this year I was surprised to find the waste tank virtually full of liquid. I thought I must have forgotten to empty it on previous trip a few days earlier. Shortly afterwards I met a van owner with a new van and we were comparing vans. He was pleased with his but remarked that he had found his shower full of water when he had taken it out of storage and would have to visit his dealer upon return. I thought nothing more until our last trip when I went to top up the flush tank only to find it virtually full. On going into the van the toilet pan was half full of dirty water. We always clean van when we get home from each trip. Looking at the flush tank flap I felt that it was probably not sealing properly. On a visit to get our gas regulator changed my dealer has confirmed that the flap needs replacing as it is not sealing correctly and rain water is filling up the flush tank. I drained the flush tank but after one nights heavy rain a few days ago there was another 1/2 litre of water in the tank.
I suggest anyone particularly with a relatively new van makes sure that they do not have this problem as approaching cold winter weather could cause damage if rain water manages to get into the flush tank and then freezes. My dealer has told me to put some duct tap over the filler cap to prevent rain entry while he gets replacement door.
I suggest anyone particularly with a relatively new van makes sure that they do not have this problem as approaching cold winter weather could cause damage if rain water manages to get into the flush tank and then freezes. My dealer has told me to put some duct tap over the filler cap to prevent rain entry while he gets replacement door.
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