Thetford Slide-EZ Toilet Waste Valve – Part #08707

(Toilet Basic Slide Valve | Manual Flush Mechanism | 3″ Connections | White ABS Plastic | With Handle & Hardware)

The Thetford Slide-EZ Toilet Waste Valve – Part #08707 is a manual flush lower slide valve designed for RV and marine sanitation systems that use Thetford-style waste valves. Engineered with a flat-top direct mount surface and 3″ outlet connection, this valve restores reliable waste control when the original slide valve becomes worn, cracked, or fails to seal properly.

This Slide-EZ valve features durable white ABS plastic construction, a threaded control handle, and includes seal and mounting hardware to make installation quick and effective. It fits systems set up to accept a 3″ spigot outlet with an O-ring sealed bottom, providing a secure, leak-resistant waste path.

Key Features & Benefits

• OEM-Style Replacement Valve – Designed to match Thetford specifications and fit existing valve openings
• Manual Slide Waste Control – Simple, user-operated lower mechanism
• Flat-Top Direct Mount – Installs cleanly with a direct connection to waste plumbing
• 3″ Outlet Fit – Bottom O-ring style connection fits standard 3″ hubs or plumbing
• Durable ABS Plastic – Corrosion-resistant and built for long-term use in RV and marine environments
• Complete Kit With Handle & Hardware – Includes threaded control handle, seal, and mounting screws

Fits / Compatible With

• RV and marine toilet or holding tank waste systems configured for a manual slide valve
• Systems using 3″ outlet connections with O-ring sealing

Confirm your original valve style and dimensions before ordering to ensure proper fit.

What’s Included

• (1) Thetford Slide-EZ Waste Valve – Part #08707
• Threaded Control Handle
• O-Ring Seal
• Mounting Screws / Hardware

Specifications

• Part Number: 08707
• Valve Type: Manual toilet waste slide valve
• Mounting: Flat-top direct mount
• Outlet Size: 3″ O-ring spigot connection
• Material: White ABS Plastic
• Handle: Threaded control handle included
• Brand: Thetford

Common Issues This Part Solves

• Waste valve won’t fully close, causing leaks
• Stiff or broken flush slide mechanism
• Odors escaping due to improper sealing
• Cracked valve housing or handle failure
• Age-related wear in legacy systems

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 mounting surface and inspect the flange
4. Install the new Slide-EZ valve with included seal and hardware
5. Test slide action and confirm leak-free connection

Basic hand tools recommended. Installation is typically DIY-friendly.

Frequently Asked Questions (FAQ)

Is this an OEM Thetford part?
Yes. This Slide-EZ waste valve is designed to match Thetford’s factory style and performance for manual waste control.

What size outlet does this valve use?
It uses a 3″ outlet connection with an O-ring seal to mate with standard waste plumbing hubs.

Does it include installation hardware?
Yes — the valve includes the seal, threaded handle, and mounting screws for a complete installation.

Will this stop odors and leaks?
Yes. A properly installed valve with a good seal restores waste control and helps prevent odors and leaks.

Can I install this myself?
Most RV owners with basic hand tools can install this valve; professional help is optional if you’re unsure about plumbing connections.