How to Remove the Flange from RV Toilets

RV toilets are commonly found on coaches, trains and planes, basically any mode of transportation that needs a toilet onboard. Removing the flange is an unpleasant job and one that is rarely carried out unless absolutely necessary. If you do believe it is necessary to replace the flange on the RV toilet then set a whole day aside and follow this guide.

Tools and Materials Needed:

  • Wrench
  • Putty knife
  • Screwdriver
  • Torch
  • Chisel
  • Waterproof adhesive
  • Rubber flange seal

Step 1 – Disconnect the Toilet

Disconnect the water and flush the water stored in the system through the toilet. Once all the water has passed through the system, unscrew the bolts using a wrench and remove the toilet.

Step 2 – Remove the Old Flange

Remove the old wax seal using a putty knife. Once the seal has been removed, unscrew the bolts attaching the flange to the floor in the same manner as you did with the toilet.

Step 3 – Detach the Flange from the Tank

Using a flashlight, check how the flange is joined to the tank.  It is likely to be joined using cement or glue and, due to likely corrosion, this seal will be difficult to break. Once this seal has been broken with a chisel, remove the flange by unscrewing it counter clockwise.

Step 4 – Attach a New Flange

Screw the new flange on clockwise and secure it with a waterproof adhesive. Once the adhesive has dried, the joint should be sealed using a rubber flange seal.