Tutorial · 10 min · Easy

How to empty and prepare the motorhome chemical toilet

It is the job people worry about most, yet it is clean and quick: the toilet tank is a cassette you take out from outside, empty at an authorised point and get ready again in about five minutes.

What you need

  • Disposable gloves
  • Toilet chemical (included)
  • Toilet paper suitable for chemical toilets
  • An authorised emptying point

Step by step

  1. Close the inner blade

    Before removing the cassette, check that the blade in the toilet bowl (the flap that opens when you flush) is closed. That way nothing spills when you take the tank out. Drive to a chemical toilet emptying point at a campsite or motorhome service area.

  2. Remove the cassette from outside

    Open the toilet hatch on the outside of the vehicle; we show you where it is and how it opens at handover. Release the cassette and pull it out gently. Carry it level to the emptying point.

  3. Turn the spout and empty

    Put on the gloves. Swivel the cassette spout upwards, remove its cap and hold it over the emptying point. Tip the cassette slowly. While emptying, press the air vent button: it lets air in so the contents flow smoothly and you avoid splashes.

  4. Rinse the tank

    Pour a little water into the spout from the rinsing tap at the emptying point (never the drinking-water tap), shake the cassette and empty it again. Repeat once or twice until the water runs clear. This reduces smells and residue at the bottom.

  5. Add the chemical

    Pour in the dose of toilet chemical shown on the bottle and add a little water to cover the bottom of the cassette. The chemical breaks down waste and controls odours. Screw the spout cap back on firmly and swivel it back into place.

  6. Refit the cassette

    Slide the cassette back into its slot until it clicks and locks, then close the outside hatch securely. Inside, open the blade and flush a little water to check everything works. Wash your hands and you are done.

Frequently asked questions

How often does the toilet need emptying?

For two people using it normally, usually every two or three days. If you stay at campsites and use their facilities, it lasts much longer.

Does it smell?

If you use the chemical and empty it in time, hardly at all. Smells appear when the chemical is forgotten or the cassette is left too full.

Where do I empty it?

At the emptying points in campsites and motorhome service areas. If it is your first trip, our first motorhome trip guide shows how it fits into the daily routine.

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