Thetford Slide-EZ Toilet Waste Valve – Part #08709

Thetford Slide-EZ Toilet Waste Valve – Part #08709

(Manual Slide Waste Valve | 3″ Outlet | White ABS Plastic | With Handle & Hardware)

The Thetford Slide-EZ Toilet Waste Valve – Part #08709 is a manual toilet waste slide valve designed for RV and marine sanitation systems that use Thetford-style slide valves with a 3″ outlet. This durable valve assembly provides dependable manual waste control, making it ideal for replacing worn, cracked, or sticking valves that no longer seal properly.

Part 08709 is the same as Part 08708 except for the handle style, giving you flexibility to match the replacement to your existing system or preference. Built from sturdy white ABS plastic and supplied complete with a threaded handle, O-ring seal, and mounting hardware, this Slide-EZ valve restores smooth waste control and a reliable seal between the toilet or holding tank and downstream plumbing.

Key Features & Benefits

• OEM-Style Thetford Replacement – Designed to fit like the factory original
• Same as 08708 Except for Handle – Interchangeable valve body with a different handle design
• Manual Slide Operation – Easy, mechanical waste control without electronics
• 3″ Bottom Outlet – O-ring sealed connection for standard 3″ waste plumbing
• Flat-Top Mount – Direct-mount design simplifies installation
• Durable ABS Construction – Corrosion- and chemical-resistant for RV and marine use
• Complete Assembly – Includes handle, O-ring seal, and mounting screws

Fits / Compatible With

• RV and marine toilets or holding tank systems that use a 3″ Slide-EZ style manual waste valve
• Systems with a flat-top valve opening and 3″ outlet connection

Always verify your existing waste valve type and connection before ordering.

What’s Included

• (1) Thetford Slide-EZ Waste Valve – Part #08709
• Threaded Control Handle (08709 style)
• O-Ring Seal
• Mounting Screws / Hardware

Specifications

• Part Number: 08709
• Valve Type: Manual slide waste valve
• Mounting Style: Flat-top direct mount
• Outlet Size: 3″ bottom outlet
• Material: ABS plastic
• Color: White
• Handle: Included (08709 style)
• Brand: Thetford

Common Issues This Part Solves

• Waste valve leak or seepage
• Slide valve sticking or binding
• Broken or worn slide valve handle
• Loss of proper sealing at waste outlet
• Odor escape due to valve seal failure

Installation Overview

1. Turn off water and power to the sanitation system
2. Remove the old slide valve from the waste opening
3. Clean the mating surfaces and inspect the flange
4. Install the new Slide-EZ valve using the included O-ring and screws
5. Test slide action and verify leak-free operation

Installation is generally DIY-friendly with common hand tools.

Frequently Asked Questions (FAQ)

Is this an OEM Thetford part?

Yes. This Slide-EZ waste valve is manufactured to Thetford OEM specifications for correct fit and performance.

What’s the difference between 08709 and 08708?

Both valves are functionally the same, with the only difference being the style of handle included.

Does this include hardware?

Yes. The assembly includes the O-ring seal, threaded control handle, and mounting screws required for installation.

Will this stop leaks and odors?

Yes — when properly installed with the included seal, it restores a tight, leak-resistant waste connection.

Can I install this myself?

Yes. Most RV and marine owners with basic tools can install this slide valve.