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Picked up my new(ish) van on the weekend, a Sterling Europa 525 and i'm a bit puzzled where the toilet flush chemical goes. The guy from the dealer showed me a little lockable flap on the outside of the van, which he said the flush chemical goes into.

When i got the caravan home, i opened the flap to "have a look" and it seems a little odd!!!  Do you just pour the chemical into the hole or what? I know it sounds daft, but on my previous caravan the chemicals for the flush was added inside the cassette area via a swivel pipe on the tank.

Quote: Originally posted by riverman on 14/9/2009

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How do you know when it's full? Does it spill over if you add too much? I know it sounds daft but with my previous van the flush had a sight glass for the flush level.

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Quote: Originally posted by jeepster on 15/9/2009

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Quote: Originally posted by riverman on 14/9/2009

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How do you know when it's full? Does it spill over if you add too much? I know it sounds daft but with my previous van the flush had a sight glass for the flush level.

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Yes, it will spill over if you try to put in too much. Just listen as you pour, you will soon be able to tell when it is reaching the top.

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Quote: Originally posted by Val A on 14/9/2009Blue chemical goes in the cassette, in the amount recommended, with a top up of water, and pink flush liquid through the hole in the side of the caravan, topped up with water.  We use a two litre plastic bottle to make pouring the water in easier, as the angle isn't that easy to pour into.

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Quote: Originally posted by tango55 on 05/5/2012

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The old cassette type toilet you had was a C4 which had a longer holding waste tank where you pull the swivel pipe out and fill up your top flush pink fluid in there. The type you have now is a probably a C200 and the flap on the outside of the caravan which you mention is the place where you now fill your top flush pink fluid. Although the locations are different the process is exactly the same. It's a little more difficult to fill in comparison to the older type cassette but I pour the pink fliud in first and then use a plastic watering can (that I keep in the front locker) filled with water to top it up.

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