Build your campervan’s freshwater tank system properly from day one.
 
This Complete Fresh Water Plumbing Kit is designed to provide all the essential connections required for filling, venting, draining, and supplying water from your freshwater tank.
 
It combines our Fresh Water Inlet & Vent Kit, Drain Kit, and Outlet to Pump Kit into one complete bundle - creating a clean, reliable foundation for your campervan water system.
 
It’s the same core tank plumbing configuration we use in our own van builds before expanding into full pressurised water systems, showers, or hot water setups.
 
If you want a professional freshwater tank setup that works properly from the start - this is it.
 
🔧 Why We Use This Complete Plumbing Kit
A properly designed freshwater tank system is critical for reliable long-term performance.
 
This kit provides:
• Secure freshwater tank filling and venting
• Reliable leak-resistant drain connections
• Clean outlet connection to your water pump
• Durable, serviceable plumbing layout
• Compatibility with standard 12mm campervan plumbing systems
 
Many DIY freshwater systems suffer from poor venting, inaccessible drain setups, or unreliable outlet fittings.

This kit focuses on creating a clean, dependable system foundation that is easy to install, maintain, and expand later.
 
✅ Suitable For
• DIY campervan and motorhome conversions
• Freshwater tank installations
• 12mm plumbing systems
• Off-grid van water systems
• Boats and marine freshwater systems
 
❌ Not Suitable For
• Certified drinking water systems
• Non-standard pipe sizes
• Commercial water systems
• Complex multi-zone plumbing layouts
 
🚐 Real-World Use
This complete freshwater tank plumbing configuration is used within our own Fiat Ducato campervan conversion.
 
It includes the essential components required to create a reliable freshwater tank system:
Fill hose, vent system, drain outlet, tank outlet connection, inline isolation valve, hose clamps, fittings, and PTFE sealing tape - allowing you to install your freshwater tank confidently and expand your system later if required.
 
📦 What’s Included
1× Gravity Filler Cap
1× 38mm Filler Hose (1m)
2× Hose Clamps (32–50mm)
1× PTFE Tape
1× 38mm 1.5″ Male Hosetail
1× 10mm Hosetail + Nut (¾″ Thread)
1× 10mm Vent Pipe (1m)
2× Hose Clamps (10–16mm)
1× Gywhooft Drain Kit
1× ¾″ Male × 12mm Hosetail
1× 12mm Drain Hose (0.6m)
1× Hose Clamp (12–20mm)
1× ½″ BSP Bulkhead Fitting
1× John Guest ½″ BSP to 12mm Female Adapter
1× John Guest 12mm Blue Pipe (0.5m)
1× John Guest 12mm Inline Valve
 
🔧 Key Features
• Complete freshwater tank plumbing solution
• Includes fill, vent, drain, and outlet system components
• Reliable leak-resistant fittings and reinforced hose
• Genuine John Guest push-fit plumbing components
• Simple DIY installation using common tools
• Compatible with standard campervan and marine tanks
• Ideal for campervans, off-grid vehicles, boats, and DIY conversions
 
Ready to Build Your Campervan Water System Properly?
 
Install a reliable freshwater tank plumbing system that simplifies installation, improves reliability, and creates a strong foundation for future upgrades.
 
Order today for fast EU shipping (1–3 working days).
 
Not sure if this kit fits your build? Contact us before purchasing - we’re happy to help.
 
📦 Delivery & Support
Prepared and shipped from our EU stock.
Estimated delivery: 1–3 working days.
 
⚠️ Important Notes
• Designed for standard 12mm campervan plumbing systems
• Fresh water tank not included
• Suitable for general freshwater applications
• Not certified for potable (drinking) water systems
• Correct installation and secure mounting will improve long-term reliability
 
Warranty: Covered by a 2-year legal warranty under EU consumer law.
Disclaimer: This product must be installed in accordance with applicable plumbing regulations. Professional installation is recommended. Vanlife Crafters is not liable for damage or injury caused by incorrect installation or misuse. Images may not fully represent the final product.