Kein Wasser, keine Chemie,
aber 100 % Komfort:

Arwinger
Kassettentrenntoilette

Umbausatz für
Thetford
C250/C260 Serie
Kunststoff

Wir suchen
Mechatroniker
Tischler
Fertigungsmitarbeiter
(m/w/d)

No water,

no chemicals,

but 100% comfort:

Arwinger CassetteSeparationToilet

Wir suchen
Mechatroniker
Tischler
Fertigungsmitarbeiter
(m/w/d)

The conveniently emptied separation toilet

Independent

Ecological

Comfortable

The separation toilet with cassette

We love camping. And we love separation toilets. They are cheap to maintain, work without technology and are almost indestructible – the perfect companion for every long trip or short excursion. Not only do they work without expensive chemicals that are harmful to the environment and health, and do not create unpleasant odors, they also provide a decisive degree of independence when you are on the road. Since no water is used for rinsing, they do not have to be emptied so often, and a disposal station is not needed either.

But do you really have to carry full, open containers across the entire living and sleeping area of your mobile home to empty them? Even seasoned campers do not like to do that.

To make this unpleasant way unnecessary once and for all, we invented the Arwinger CassetteSeparationToilet – the separation toilet with a cassette to collect the solids and liquids. It can then be conveniently removed for emptying through the service flap. Of course, disposal itself remains as simple and environmentally friendly as with the classic separation toilet.

And the good news for all those who have a permanently installed plastic toilet from Thetford in their motorhomes or caravans: With our assembly set you can easily and professionally convert your cassette toilet into a cassette separation toilet. We offer Arwinger CassetteSeparationToiletKits for the widely used Thetford models.

The principle of the separation toilet is that solids and liquids are separated: Faeces fall into one container and urine is fed via a hose into another container. Neither chemicals nor water are needed for flushing; the separation toilet is therefore often also called a dry separation toilet. The faeces container can be filled with compostable bags, interspersed wood shavings, mulch or similar can be used additionally to bind moisture and residual odours. Due to the separation, no rotting process is set in motion and therefore there is no development of odours. The faeces can be composted and the urine can be used as fertiliser or disposed of via the sewage system.

This is how it works

The upper part of the bowl of your chemical toilet is replaced by the Arwinger CassetteSeparationToiletKit seat part with separation function. The conversion can be done by yourself without specialist knowledge using the supplied instructions. The seat part ensures the separation of solids and liquids.

Both are picked up by the Arwinger CassetteSeparationToiletKit cassette, which is positioned in the service compartment and replaces the Thetford chemical cassette one-to-one. The solids fall into the cassette’s open container, which is fitted with a compostable bag, and the liquid is fed into the cassette’s tank via the hose.

For emptying, both cassette parts can be separated. The tank for the solids has a volume of approx. 9 litres, the one for the liquid approx. 7.5 litres. The fill level of the liquid tank can be read with the help of an optical fill level indicator.

After the bowl conversion, the chemical toilet seat and lid are fixed to the new seat part and your Thetford toilet looks as good as before. You have made a separation toilet out of your chemical toilet without any damage to the fixtures or the sealing of your bathroom.

The separation toilet …

  • No water requirement

  • No chemicals

  • Independence from disposal stations

  • Longer emptying intervals

  • No chemical smell

  • Low repair susceptibility

  • No odour development

  • Easy disposal

… with cassette …

  • Convenient removal through the service flap

  • Hygienic handling

  • Clean transport

… as conversion set for your chemical toilet

  • Professional, complete conversion kit

  • Preservation of the high-quality design of the chemical toilet

  • Quick and easy self-conversion

  • Preservation of the appearance as well as the sealing in the bathroom

  • Precisely fitting construction for your chemical toilet model

  • Complete deconstructability

March
2023February
2023Beginning
2023September
2022August
2022June
2022February
2022Beginning
2021

Conversion instructions
March 2023

Thetford C220 conversion

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Caravan, Camping & Motorhome Show
February 2023

Impressions from GB & status

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Update
Beginning of 2023

Optimised seat part, new cassette & more

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Caravan Salon
September 2022

Impressions & feedback

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Production status
August 2022

Conversion sets & installation tips

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Production status
June 2022

Seat part & cassette

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Production status
February 2022

Seat part

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The first concept
Beginning of 2021

3D prints

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The conversion is that simple

Loosen the screw connection of the bowl through the service flap, pull off the pump and hose
Take off the complete bowl with toilet seat and lid
Press with a screwdriver under the fastening clips of the bowl to loosen them
Take off the bowl
Place the Arwinger CassetteSeparationToilet seat part on the bowl
Press the seat part firmly onto the bowl until the fastening clips click into places
Screw the bowl back on through the service flap
Pull off the toilet seat and lid of the chemical toilet and clip them to the seat part, then fasten the hose through the service flap

Market launch of the Arwinger CassetteSeparationToiletKits

As the demand is so extremely high, we have decided to go to market step by step in order to be able to serve the first customers quickly.

We started with the seat part with separation function for the Thetford C250/C260 Series Plastic Bowl. Subsequently, the seat part with separating function for the Thetford C220 Series and the complete conversion sets consisting of seat part and cassette for the Thetford C220 and C250/C260 Series Plastic Bowl were launched.

The CassetteSeparationToiletKit for the Thetford C200 was made available at the beginning of 2023. To be able to convert the model, customers need to replace the bowl including seat and lid of their toilet with the bowl of the younger Thetford C220 model included in the kit. This is then converted with the corresponding seat part.

Conversion sets for Dometic 4110, Thetford bench toilets and Thetford C2/C3/C4 Series will follow.

Order the Arwinger CassetteSeparationToiletKit now!

Sie erhalten die Arwinger KassettentrenntoilettenKits bei unserem Vertriebspartner Camping Wagner.

Arwinger CassetteSeparationToiletKit seat part with separation function for Thetford C200 Series

€849.00

Order

Arwinger CassetteSeparationToiletKit seat part with separation function for Thetford C220 Series

€649.00

Order

Arwinger CassetteSeparationToiletKit seat part with separation function for Thetford C250/C260 Series Plastic Bowl

€649.00

Order

Complete

Arwinger CassetteSeparationToiletKit for Thetford C200 Series

€1,399.00

Order

Complete

Arwinger CassetteSeparationToiletKit for Thetford C220 Series

€1,199.00

Order

Complete

Arwinger CassetteSeparationToiletKit for Thetford C250/C260 Series Plastic Bowl

€1,199.00

Order

Arwinger CassetteSeparationToilet on tour

  • 28.-30.4.2023

    Schwarz Mobile Freizeit: April festival in Kayhude

    Segeberger Straße 5, Kayhude, Germany

  • 29.4.-7.5.2023

    Bexbach Fair – Camping, Leisure, Automobile

    c/o Carevan by MSR
    Fairground Bexbach, Germany

  • 5.-7.5.2023

    Munich Camping & Outdoor Days

    Campsite at Pilsensee, Germany

  • 13.-14.5.2023

    Cologne Camping & Outdoor Days

    Galopprennbahn Köln, Germany

  • 27.-29.5.2023

    Crick Boat Show

    Crick Marina, Crick, United Kingdom

  • 8.-11.6.2023

    4th International Motorhome Meeting

    Motorhome park Klüsserath at the Mosel, Germany

  • 16.-18.6.2023

    Clever Vans Live Meeting

    Motorhome park Silbersee, Frielendorf, Germany

  • 7.-9.7.2023

    Kastenwagentreffen / Box Van Meeting

    Im Blumengarten, Bexbach, Germany

Installation partners

Camping pros about the Arwinger CassetteSeparationToilet

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Using a separation toilet in your motorhome, Motorhome Matt

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ARWINGER Separating Toilet Cassette Conversion Kit CCMS 2023, The Motorhome Miles

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Arwinger Umbausatz. Kassettentoiletten zur Trenntoilette 2023., GERMAN TELEVISION

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Tschüss Chemieklo Arwinger. Die Kassettentrenntoilette., RICHTUNG HIMMELBLAU

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Diese Trenntoilette sollte man prüfen. Arwinger Alternative?, WohnVan

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abf 2023 Hannover | Update zur ARWINGER Kassettentrenntoilette., CamperTobi

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TRENNTOILETTE | ARWINGER NACHRÜSTSATZ | WOHNMOBILE UND KASTENWAGEN, VanFan

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ARWINGER | THETFORD Toilette einfach zur KASSETTENTRENNTOILETTE umbauen | WAHNSINN | CMT 2023, DIHUTV

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CMT 23 – Umbausatz für die Chemietoilette – rückbaubar! – GENIAL!, upanddownvanlife

CMT 2023 – Zubehör-Neuheiten, reisemobil-international.de

CMT 2023: Neues Zubehör für Camper, campervans.de

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Caravan Salon Austria 2022 | Die ARWINGER Kassettentrenntoilette. | Die echte Alternative., CamperTobi

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Thetford Chemietoilette einfach zur Trenntoilette umrüsten | Umbau, Van Berlin

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WELTNEUHEIT: Arwinger Trenntoilette, Vanlife Adventures

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Camping + Wohnmobil News und Neuheiten 5/22, Womo.blog

Arwinger – Sauber getrennt, CamperVans Nr. 2/2023

Besonderheit ARWINGER KASSETTENTRENNTOILETTE, Reisemobil International Nr. 7/2022

Frequently asked questions

The delivery difficulties caused by the pandemic and the high capacity utilisation of suppliers have made the market launch more difficult than expected. Despite this situation, we have stuck to our goal of producing and purchasing exclusively in Europe so that we can meet our high quality standards.

In order to be able to respond to the high demand as quickly as possible, we are gradually bringing the Arwinger CassetteSeparationToiletKits onto the market. The conversion sets for the Thetford series C200, C220 and C250/C260 Plastic Bowl are already available. Others are in the production planning or design stage.

After the conversion sets for the Thetford C250/C260 Plastic Bowl, C220 and C200 Series, Arwinger CassetteSeparationToiletKits will be developed for other chemical toilet models in this order: Dometic 4110, Thetford bench toilet C500 Series and Thetford bench toilet C400 Series, Thetford C2/C3/C4 Series. Unfortunately, we are not yet able to give firm availability dates at present.

The cassette consists of separate containers for liquid and solid, which are connected with a tension belt. Both are conveniently removed through the service flap and can be separated for emptying.

The solids tank has a volume of approx. 9 litres, the liquid tank approx. 7.5 litres.

A bag is hung in the solids container, which is completely removed for emptying. This prevents soiling of the container. We recommend using a compostable bag or a bag made of recycled material.

Any material that is suitable for binding moisture can be used as bedding. Small animal litter, sawdust, coconut fibres, completely dried coffee grounds or special separation toilet litter have proven to be effective.

The liquid tank is completely closed; the liquid is only fed in through a small opening and emptied through a closable spout. The solids tank cannot be closed with a lid. Since only the bag is removed for emptying, i.e. the container does not have to be transported, a lid is not necessary here. In addition, the drying of the solids is supported by the fact that the container is open at the top.

The level of the liquid tank is read by means of an optical level indicator on the cassette.

Basically, a dry separation toilet hardly produces any odours. Odours are only created by the combination of solids and liquids, which does not take place here. And of course there are no chemical odours either. However, you can continue to use your existing ventilation and/or your ventilator in the service flap. If a ventilation is wanted, we recommend the SOG TT.

The Arwinger CassetteSeparationToilet does not work according to the concept of mixing the solids and therefore has no agitator.

Our original conversion concept envisaged sawing off the bracket for the closer of the original toilet. Since the wish was expressed to be able to completely dismantle the toilet, we have developed a solution here: A silicone sleeve on the lower edge of the seat section provides a flexible extension that goes over the closer bracket. It is therefore not necessary to remove it.

Yes, the seat can still be turned after the conversion.

We also offer to order the seat part with separating function individually, i.e. without the cassette. If you choose not to use the cassette, you can collect the solids with a bucket and direct the liquid via the supplied hose into a canister or an underground tank.

Downloads

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