Campervan Water System

A well-designed water system is fundamental for daily life in a campervan. Without it, making beverages, cooking, cleaning dishes, and taking showers become impossible. However, water also poses a significant risk to your campervan.

A major leak can lead to water accumulation beneath the floor, initiating a slow rotting process. Therefore, taking careful and preventive measures when designing the water installation is crucial.

Essential Installation Materials

When setting up a water system in your campervan, the materials you choose are critical. Flexible pipes with an internal diameter of 10 mm are the most popular choice. Typically, blue pipes are used for cold water, while red pipes are used for warm water. All connections are made using couplings and clamps.

It's essential to use clamps that are perfectly round on the inside, as popular u-bolts clamps may not provide a perfect seal and can lead to leaks.

campervan water system installation

PVC pipes are sometimes used for clean and dirty water tanks. However, they can be problematic if laid flat, as even a small tilt can prevent the water pump from accessing the water. To avoid this issue, place the grey water tank and shower halfway along the length of the van.

Additionally, if you choose a pressurized setup, it’s beneficial to include a water pressure equalizing tank to stabilize the pressure. Don’t forget the valves for draining hot and cold water from the system, which are crucial for preventing damage from freezing in winter.

Planning Your Water System

campervan water system diagram

Setting up a water system for your campervan can seem daunting, but with the right approach, it’s a manageable task. Start by determining the features you want in your system. A typical setup includes a 70L fresh water tank and outlets for a tap with running cold water and an outdoor shower. Opting for simplicity avoids unnecessary complexity.

Choosing the Right Tank Size

When choosing the size of your water tank, consider factors such as your water usage, frequency of refills, budget, available space, and weight restrictions. Estimate your water needs carefully, factoring in drinking, cooking, washing, and other uses.

For example, estimated weekly usage for two people totals around 45L, allowing for a fill approximately once every 1.5 weeks.

Additionally, be mindful of the weight of water—1 liter equals 1 kilogram—when selecting tank size. Avoid oversized tanks to minimize both weight and cost.

Installation Considerations

During installation, mount the tank securely, position the fill point higher than the tank to avoid spills, and connect the water pump, accumulator, sink, and shower. Choosing the right connectors and hoses is essential to prevent leaks. If you skip installing a grey water tank, using eco-friendly practices and a sink strainer can help manage waste water effectively.

To ensure efficient water flow, incorporate a water pump with a capacity of 10 to 20 litres per minute, along with a water pressure regulator. Choosing a water pump with adjustable speed settings enables you to control water flow based on your various needs in the campervan.

Electrical Integration

Finally, wire up any electrical components, such as the water pump and tank level sensor, to your campervan’s electrical system for full functionality. With careful planning and execution, you can create a reliable water system that enhances your campervan living experience.

Conclusion

A reliable and efficient water system is crucial for making the most of your campervan adventures. By carefully selecting materials, planning the system, and considering installation details, you can ensure a steady and safe water supply. This not only enhances your daily living but also protects your campervan from potential water damage.

Whether you're cooking, cleaning, or taking a refreshing shower, a well-designed water system will make your life on the road comfortable and enjoyable.

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