When filling an RV's fresh-water tank through its exterior gravity-fill hatch, a loose garden hose can be awkward to hold and may splash or back up at the opening. Valterra offers two different tank-filling attachments: a slip-in Quick Fill pigtail without a shut-off and a locking Secure-Fill tool with its own valve. They are accessories for filling the tank, not replacements for the hatch or a pressurized city-water inlet.

Compare the two filling attachments

Valterra number Attachment Water-flow control
A01-0030VP Pigtail slips into gravity-fill opening No built-in shut-off
A01-0035VP Secure-Fill twists and locks to compatible fill spout Built-in on/off valve

Which filling style works for your RV?

A01-0030VP: easy slip-in pigtail

Choose this style when you want a removable tube that goes into an existing gravity-fill opening. Valterra designed it to reduce water backing up as you fill the tank. Since this model does not have a shut-off valve, you control the water at the hose supply. Confirm the filler tube can seat properly in your particular hatch opening.

A01-0035VP: Secure-Fill with locking attachment

This version attaches to a garden hose and twists into a compatible fresh-water fill spout. The lock-on design holds the tool in place, and the built-in on/off valve controls the flow at the connection. Valterra describes the tool as hands-free, but it must not be left filling unattended. Turn the water off as soon as the tank is full, then remove the tool.

Compare product photographs

Quick Fill pigtail — no shut-off

Valterra A01-0030VP slip-in fresh-water tank Quick Fill pigtail without shut-off valve

A simple slip-in filling tube for a compatible gravity-fill opening. Control water flow at the supply hose or tap.

View A01-0030VP

Secure-Fill — locking filler with shut-off

Valterra A01-0035VP Secure-Fill lock-on fresh-water gravity tank filler with built-in on-off valve

Locks into a compatible fresh-water fill spout and includes a built-in on/off valve. Remain with the RV and turn off the water promptly when full.

View A01-0035VP

Before filling the tank

  1. Find the RV's gravity-fill opening, not its separate pressurized city-water connection.
  2. Check that the filler matches the fill-spout geometry and the garden-hose connection.
  3. Start the supply carefully, monitor the tank level and keep the vent path unobstructed.
  4. Turn off the water promptly when full; do not rely on a hands-free holder to stop an overflow.

If the exterior opening itself is damaged, see the Valterra gravity-fill and city-water hatch guide to compare complete inlet assemblies.

Manufacturer references: Valterra Quick Fill pigtail A01-0030VP and Valterra Secure-Fill A01-0035VP.

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