NW Conversions 28 Gallon Promaster Wheel Well Water Tank - Right (PM-R-28)
Specifications
Capacity: 28 gallons
Dimensions: 48” L × 14” W × 20” H
Weight: 32 lbs
Orientation: Right Side / Passenger-Side Offset
Fit Notes: Optimized for Ram Promaster passenger-side wheel well; compatible with passenger-side installations in Mercedes Sprinter and Ford Transit vans (may require additional clearance).
NW Conversions 28 Gallon Promaster Wheel Well Water Tank – Right
Introduction
The 28-gallon wheel well water tank is designed for passenger-side (right) layouts in Ram Promaster vans, optimizing interior space while accommodating galleys, cabinets, or custom layouts. Its offset design positions the tank over the right wheel well, keeping your center of gravity low and maximizing usable floor space.
Features
Passenger-Side Offset: Sits over the right wheel well, ideal for passenger-side galleys, storage, or bed systems.
Low Center of Gravity: Hugs the wheel housing to maintain water weight stability while driving.
Versatile Plumbing Ports:
Two ½” NPT ports (open and ready to use)
Two 1.5” NPT ports on ends (closed; drill if needed)
One 1.5” NPT top port (closed; drill if needed) for gravity fill or level sensors
Safe & Durable: Rotomolded from BPA-free, food-grade plastic for safe freshwater storage.
Non-Pressurized: Requires venting; not suitable for pressurized systems.
Made in the USA: Heavy-duty construction for long-lasting use.
Optional Notes
Drill ports as needed for plumbing, gravity fill, or level sensors.
Suitable for custom builds, box trucks, trailers, or tiny homes requiring a right-side wheel well tank.
Ideal for van conversions needing efficient water storage while maintaining flexible layouts.
| Shipping option | In-store pickup or I would like the product shipped |











