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Class A Customs 40 Gallon RV Fresh Water Tank Kit

$240.29 on Amazon.com (as of September 26, 2026, 7:07 PM EST) View details ↗

Upgrade your mobile living setup with the Class A Customs 40 Gallon RV Fresh Water Tank Kit, proudly manufactured in the United States using premium domestic materials. Expertly constructed from medium-density polyethylene, this potable water storage tank is designed to deliver superior durability that exceeds standard OEM specifications. Built for reliability, the sanitary and leak-proof design ensures your water remains clean for daily use while traveling in your recreational vehicle, motorhome, trailer, camper, or food truck.

This comprehensive bundle includes a convenient starter kit featuring a 12V on-demand water pump alongside a basic plumbing setup with a fill hose, barbed fittings, a PVC drainage adapter, and necessary clamps. Engineered for versatility, the rectangular tank accommodates various installation spaces while providing a dependable supply for drinking, cooking, showering, and cleaning on the road.

Capacity40 Gallon
Dimensions39.5″ x 13″ x 18″
MaterialMedium Density Polyethylene
Connection PortsTwo 1.5″ and Two 0.5″ NPT Female
Average Wall Thickness0.219″ (7/32″)
What components are included in the plumbing and pump starter kit?
The starter kit includes a 12V on-demand water pump, a fill hose, barbed fittings, a PVC drainage adapter, and clamps.
What types of connection ports are pre-installed on this freshwater tank?
The tank features four connection ports total, consisting of two 1.5″ balloon-style threaded female NPT ports and two 0.5″ threaded female NPT ports.
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