Fernco 4-Inch Wax-Free Toilet Seal - FTS-4

Fernco 4-Inch Wax-Free Toilet Seal - FTS-4

Restore flush performance, sealing, or fit at the toilet repair point with this universal/spec-match Fernco 4-Inch Wax-Free Toilet Seal - FTS-4. This toilet repair part restores the specific sealing, fill, flush, mounting, or finishing function shown by the product type.

FTS-4 is a universal/spec-match 4-inch wax-free toilet seal used when the original part is worn, leaking, broken, or no longer operating correctly. Verified details include flexible PVC construction for 4-inch drain and flange applications with up to approximately 3/4 in. floor-height accommodation.

Compatibility: Fits compatible floor-mount toilet installations over a 4-inch drain and 4-inch flange. Verify drain size and flange setup before ordering.

Please confirm fitment with your appliance model number before ordering.

Is it time to replace?

• Common Symptoms: Base leaks, sewer gas odor, or a need to reset a toilet over a 4-inch drain using a non-wax seal.
• Visible/Sensory Cues: Old seal damage, staining around the base, or a project where the floor height has changed relative to the flange.

Pro Tip: Confirm you have a 4-inch drain application before ordering. A wax-free seal must match the drain and flange size to seal properly.

Technical Specifications