How to Wire Up Thetford C402C Cassette Toilet
Updated 10/27/2025 | Published 03/19/2025 >
Question:
How do I wire this into my camper, as never had one previously installed?
asked by: Luke V
0
Expert Reply:
Hey Luke, thanks for reaching out!
There are 2 ways to wire up the Thetford C402C Cassette Toilet # TH99UE according to the installation instructions. I've attached a clip from the instructions for you to check out.
Let me know if you have any other questions!
expert reply by:
Jon G
0
Product Page this Question was Asked From
Thetford C402C Cassette Toilet - Internal Water Supply - Electric Flush - Left Hand Access
- RV Toilets
- Standard Height
- Round
- Cassette Toilet
- Triple Jet - Good
- Plastic
- White
- Thetford
more information >
Featured Help Information
Instructions
Continue Researching
- Shop: Thetford C402C Cassette Toilet - Internal Water Supply - Electric Flush - Left Hand Access
- Video: All You Need to Know About the Thetford C402C Cassette Toilet
- Shop: Thetford C402C Cassette Toilet - Internal Water Supply - Electric Flush - Right Hand Access
- Video: What to Know About the Thetford C402C Cassette Toilet
- Video: Review of Velit RV Air Conditioners - Complete AC System Under-Bench - VE56QV
- Shop: Thomas Payne RV Jackknife Sofa w/ Hinges, Hardware - Fold Down - 70" Long - Great Lakes Grotto
- Search Results: cassette toilet rv toilets
- Q&A: Looking For Thetford C402C Cassette Toilet With Right Side Cassette Access
- Shop: Vitrifrigo C85iX OCX2 Stainless RV Fridge-Freezer - 3 Cu Ft - 12V/24V/AC/DC - Internal Compressor
- Shop: Velit 2000U Under-Bench AC for Vans and Small RVs w/Remote - Ducted - 7,500 Btu - 12V DC - Black
- Shop: Ventline E-Z Lift Ventadome Trailer Roof Vent w/ 12V Fan - Manual Lift - Smoke - Canada Approved
- Shop: MaxxFan Roof Vent w/ 12V Fan - Manual Lift - 4 Speed - White
- Q&A: What Kind of Power Does the Thetford C402C Cassette Toilet Use
- Search Results: water tank
- Video: Review of Thetford Camping Bathroom - Portable Toilet - TH43QE
- Search Results: rv refrigerators
- Q&A: Can Thetford Cassette Model C402C Replace L Model
- Q&A: Why Can't You Use an Electric Water Pump with Valterra Fresh Water Tanks
- Video: Valterra RV Water Tank: The Breakdown
- Q&A: Recommended Toilet w/ a Removable Waste Tank That Connects to a Water Line
- Q&A: Can I Use a Lighter or Match if There's No Power on the GE Profile Propane RV Range GE57VR?
- Q&A: Availability Of "Triangle" Shaped Shower Pan For A 2012 Heartland Greystone Fifth Wheel
- Article: Trailer Lighting Requirements
- Article: Trailer Wiring Diagrams
- Article: Parts Needed to Add Electric Drum Brakes to a Trailer
- Article: Best Bike Racks for Electric Bikes
- Article: Brake Controller Installation: Starting from Scratch
- Article: How Much Solar Power Do I Need For My RV?
- Article: My Trailer Hitch Doesn't Fit



Jon G.
10/27/2025
Hey Luke, were you able to get the wiring for your Thetford C402C toilet sorted out? Knowing how it went could help others adding one to their campers too.