Round Gravity Water Inlet with Lock for RV Camper Boat

$52.71

$52.71 $65.30

Keep your RV, camper, trailer, or boat's fresh water system secure and leak-free with this Round Gravity Water Inlet with Locking Cap. Designed for exterior hatch mounting, this gravity-fill water inlet features a smooth round profile that integrates neatly into any sidewall, offering a clean and professional finish. Available in both Black and White to match your vehicle's exterior.

Why You'll Love It

Secure Locking Cap – Built-in lock keeps the inlet firmly closed during travel, preventing dust, insects, and road debris from entering your water system.
Gravity Fill Design – Simply open the cap and use a standard hose to fill your freshwater tank — no special adapters or fittings required.
Durable Exterior Housing – Constructed from tough, weather-resistant materials designed to withstand UV exposure, rain, and road vibration.
Universal Fit – Compatible with RVs, motorhomes, caravans, camper trailers, boats, and other vehicles with a freshwater tank.
Easy Installation – Mounts flush to the exterior wall with standard hardware; ideal for DIY upgrades or replacement installs.
Two Color Options – Choose Black or White to coordinate with your vehicle's existing trim and accessories.

Specifications

Style: Round, Exterior Hatch-Mount Gravity Water Inlet
Colors Available: Black / White
Locking Cap: Yes
Compatible With: RV, Motorhome, Caravan, Camper Trailer, Boat
Material: Weather-resistant plastic
Country of Origin: Made in Mainland China

Compatible With a Range of Vehicles

Whether you're outfitting a new build or replacing a worn-out inlet on your existing rig, this gravity water inlet is a practical and affordable upgrade. Perfect for full-time RVers, weekend campers, boaters, and overlanders who demand reliable, easy-to-use water system access points.

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For more guidance on safe RV water system maintenance and best practices, visit the CDC's Healthy Water – Travel & Drinking Water resource.

Frequently Asked Questions

Q: What size is the round gravity water inlet opening?

A: The inlet is a standard round gravity-fill size compatible with most RV and camper freshwater hose connections. Please measure your existing cutout or refer to your vehicle's specifications to confirm fitment before installation.

Q: Does the locking cap come with a key?

A: Yes, the gravity water inlet includes a locking cap with key, helping you secure your freshwater system against accidental opening or tampering while on the road.

Q: Can this water inlet be used on a boat?

A: Absolutely. The weather-resistant construction and secure locking cap make this inlet suitable for boats, as well as RVs, caravans, camper trailers, and motorhomes.

Q: Is installation straightforward for a DIYer?

A: Yes. The inlet mounts to the exterior wall of your vehicle with standard hardware. Most DIY camper builders and RV owners can complete the installation with basic hand tools in a short amount of time.