Thetford Aqua‑Magic V Toilet Water Valve Replacement Kit 31705 — OEM Fit, Includes Hardware

The Thetford 31705 Aqua‑Magic V water module assembly is a direct replacement valve kit designed to restore reliable flushing and water control for Aqua‑Magic V high‑ and low‑profile RV toilets.

Whether you’re maintaining an older motorhome or refreshing the toilet in a travel trailer, this OEM‑compatible kit supplies the parts needed to replace the water valve on Thetford Aqua‑Magic V toilets. The package includes the replacement valve, mounting hardware and step‑by‑step instructions so you can complete the job with common hand tools. It’s engineered to match the original fit and function so the installation is straightforward and the toilet performs like new.

How does this valve assembly solve common RV toilet issues?

Over time seals and moving parts in the toilet water valve can wear, causing weak or inconsistent flushing, drips or hard-to-control water flow. Installing this replacement valve restores proper water delivery and stops leaks without needing to replace the entire toilet. The kit follows Thetford’s form factor for a precise fit and durable operation.

• Replaces worn or leaking valve components to stop drips and weak flushes.
• OEM-style fit minimizes modification or plumbing changes.
• Includes new hardware for a secure, leak-free mount.

What’s included and what tools do I need for installation?

The kit ships with a new water valve, the necessary mounting hardware and illustrated instructions to guide the replacement. Most installations require only basic tools—screwdrivers and pliers—and can be completed in a short maintenance window. No special adhesives or specialty tools are typically required.

• New valve compatible with Aqua‑Magic V high and low models.
• Replacement screws and fastening hardware provided.
• Clear instructions reduce guesswork and installation time.

How long does installation take and can I do it myself?

For someone comfortable with simple RV maintenance, replacing the water module usually takes less than an hour. The instructions guide you through disconnecting the water supply, removing the old valve and fitting the new unit. If you prefer, a service technician can perform the swap, but many owners complete it themselves with confidence.

• Typical DIY time: under one hour for an average installation.
• No specialized plumbing skills required—basic mechanical aptitude is sufficient.
• Instruction sheet included to follow step-by-step procedures.

Will this valve work with my Aqua‑Magic V high or low profile toilet?

This assembly is designed specifically for Thetford Aqua‑Magic V series toilets and fits both high‑profile and low‑profile variants. It matches the original mounting and plumbing interfaces to ensure correct alignment. Confirm model compatibility before purchasing if your toilet is from a different series.

• Made for Aqua‑Magic V toilets—fits both high and low models.
• OEM-style dimensions help avoid retrofit complications.
• Ideal for preserving original toilet performance and water control.

Who is this for: Thetford’s 31705 Aqua‑Magic V water module assembly is aimed at RV and camper owners, fleet maintainers, and service technicians who need a reliable replacement valve that restores proper flushing and stops leaks. It’s a practical, cost‑effective choice for anyone keeping a Thetford Aqua‑Magic V toilet in serviceable condition without replacing the entire fixture.