How to Connect Inlet and Outlet Pipes for Mobile Toilets

The connection of inlet and outlet pipes for mobile toilets requires separate handling of the inlet and sewage pipes, along with proper sealing and testing. The specific steps are as follows:

Inlet Connection

1. Confirm Interface Specifications
   Home-use mobile toilets typically use a 4-point threaded inlet, which is consistent with the specifications of most toilet bowls. If there is an exposed water pipe reserved at home, you can directly wrap the thread with the provided sealing tape and then screw on the hose. If it is a concealed reserved outlet, ensure that the height of the inlet from the ground is within the range of 30-40 cm to avoid installation difficulties or inconvenience during use.

2. Connect to Water Source
   The inlet must be connected to the cold water pipe of the tap water supply. It is strictly prohibited to connect to a hot water pipe. Hot water can damage the electronic components (such as the sensor flushing device) and water circuit components (such as plastic fittings) of the mobile toilet, leading to equipment failure or water leakage.

Outlet (Sewage) Connection

1. Select Installation Location
   The mobile toilet should be installed in a well-ventilated and easily drained area, ensuring sufficient operating space around the sewage pipe outlet. If the sewage outlet is far from the household sewage pipe, plan the pipeline route in advance to avoid excessive bends that could cause blockages.

2. Connect to Sewage Pipe

   • Select an appropriate interface according to the size of the sewage outlet, ensuring that the interface type (such as threaded or quick-connect) matches the sewage pipe.
   • Fix one end of the sewage pipe to the sewage outlet of the mobile toilet and extend the other end to the outdoors or the main household sewage pipe. When extending, maintain a pipeline slope (recommended ≥ 2%) to use gravity to assist in the smooth discharge of waste.
   • Sealing Treatment: When connecting the sewage interface to the household sewage pipe, it is recommended to use a dedicated flange sealing ring to prevent odor backflow and water leakage. For the connection points of the sewage pipes, apply sealing glue evenly to the interface gaps and press them tightly together.

Sealing and Fixing

1. Threaded Connection Sealing
   All threaded interfaces (such as inlet hoses and sewage fittings) should be wrapped with 5-8 turns of Teflon tape in the direction of the thread, filling the gaps, and then lightly tightened to avoid cracking the interface due to excessive force.

2. Quick-Connect Interface Handling
   For quick-connect water circuit interfaces, simply align them with the slots and press the clips. No tape wrapping is required, but ensure that the clips are fully fastened to prevent loosening and water leakage.

Testing and Acceptance

1. Initial Inspection
   After the connection is completed, do not fix the equipment temporarily. First, open the main water valve at home and observe whether there is any water leakage at the inlet and sewage interfaces. Pay special attention to the areas wrapped with Teflon tape, the flange sealing ring, and the clip positions.

2. Functional Testing
   Test whether the water cleaning circuit and the flushing function are normal, and confirm that the waste can be discharged smoothly without odor backflow. If water leakage is found, immediately close the water valve, check whether the Teflon tape is insufficiently wrapped or the interface is not tightened, make adjustments, and then test again.

3. Final Fixing
   After confirming that there is no leakage and the functions are normal, fix the position of the mobile toilet and clean up the surrounding pipelines to ensure safe use.