Thetford Flush Tube And Nozzle For Aqua Magic V Toilets

The Thetford 36528 Water Valve Link is a genuine replacement part for Aqua Magic V and VI RV toilets. This link connects the flush pedal mechanism to the water valve, ensuring smooth, consistent flushing and proper water flow with every use.

If your toilet is experiencing weak flushing, unresponsive pedals, or inconsistent water flow, installing the 36528 Water Valve Link restores reliable operation. Built to Thetford’s high-quality standards, this link is durable, easy to install, and precisely engineered to fit Aqua Magic V and VI toilets.

Keep your RV toilet functioning efficiently and hygienically with the Thetford 36528 Water Valve Link — an essential component for dependable flushing in Aqua Magic V & VI toilets.

Features & Benefits

• OEM flush tube and nozzle designed specifically for Aqua-Magic V toilets
• Restores full, even water spray for efficient bowl cleaning
• Solves clogged, cracked, or mineral-blocked nozzle issues
• Durable construction ensures long-lasting water flow performance
• Direct replacement part for quick, simple installation
• Improves overall flush efficiency and reduces bowl staining

Fits These Models

Compatible with:

• Aqua-Magic V – High Profile
• Aqua-Magic V – Low Profile

Designed to match the original flush rinse assembly used in all Aqua-Magic V permanent RV toilets.

Common Issues Solved

Replacing the 31738 flush tube and nozzle can correct:

• Weak or incomplete bowl rinse
• Water spraying only on one side
• Clogged nozzle from mineral deposits or debris
• Leaks or misdirected spray due to cracked tubing
• Poor flush performance requiring manual cleaning

Replaces / Also Known As

• Thetford 31738 Flush Tube & Nozzle
• RV Toilet Rinse Tube Assembly
• Aqua-Magic V Flush Water Nozzle
• Spray Nozzle & Tubing Replacement Kit

What’s Included

• Flush rinse nozzle
• Flush water tube (factory length and diameter)
• Preassembled fittings for direct installation

Installation Overview

1. Turn off the RV water supply.
2. Access the flush tube and nozzle area (typically under or behind the toilet shroud).
3. Disconnect the water inlet line from the existing nozzle assembly.
4. Remove old flush tube/nozzle and install the new 31738 assembly.
5. Reconnect water line and reinstall shroud.
6. Test flush to ensure even spray coverage and leak-free operation.

Typical installation time: 10–20 minutes.

Frequently Asked Questions

Q: Will this fit Aqua-Magic IV or VI?
No. This part is only for Aqua-Magic V toilets.

Q: My toilet’s spray is weak—should I replace the water valve or the nozzle?
If the spray is uneven, clogged, or misdirected, replace the nozzle/tube.
If water flow is weak overall, the water valve may also need replacement.

Q: Is this an OEM part?
Yes — 31738 is the official Thetford factory replacement.

Q: Do I need to remove the toilet to install this?
Usually no. The nozzle and tube are accessible through the toilet shroud.

Q: How often should this part be replaced?
Every few years, depending on mineral buildup and water hardness.