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🚐 Seal the deal, ditch the stink—camp carefree with Thetford!
The Thetford 33239 Closet Flange Seal is a universal-fit replacement part designed for various Thetford RV toilets. Crafted from durable plastic and rubber, it ensures a secure, odor-proof seal that prevents black tank gases from entering your camper. Easy to install without professional help, this trusted Thetford component comes with a 1-year limited warranty, making it an essential upgrade for any serious camper aiming for hassle-free, fresh-smelling adventures.
| ASIN | B000BGM7QS |
| Best Sellers Rank | #52,831 in Automotive ( See Top 100 in Automotive ) #50 in RV Toilet Spare Parts |
| Brand | Thetford |
| Brand Name | Thetford |
| Color | Gray |
| Customer Reviews | 4.6 out of 5 stars 3,316 Reviews |
| Global Trade Identification Number | 00028985332398 |
| Included Components | 1 - Closet Flange Seal |
| Item Type Name | Replacement Closet Flange Seal for Electra Magic Model 80, Aqua-Magic, Starlite, and Galaxy RV toilets Thetford-33239 |
| Manufacturer | Thetford |
| Manufacturer Warranty Description | 1 year limited warranty: part coverage for repair or replacement of defective parts. |
| Material | Plastic, Rubber |
| Material Type | Plastic, Rubber |
| Number of Items | 1 |
| UPC | 028985332398 |
| Unit Count | 1.0 Count |
C**S
Fits old Thetford toilet easy replace.
My toilet was smelling bad and figured it was the flange seal. My old one was worn out and distorted allowing gases front black tank to seep into the camper. These are super easy to replace so don’t feel intimidated not a dirty job. 1. Turn off the water and pump to your rig 2. Turn on few faucets to relieve the pressure in the lines 3. Hold the foot pedal down for a few seconds to dump all the water 4. Remove front cover around foot pedal “it just snaps on” 5. Unscrew water line on back of toilet mine just threads on by hand no tools needed. (Recommend getting a towel around water line, little excess water in the line will probably drip out. It’s clean water don’t worry comes from same place your sink does) 6. On each side of the toilet these is a nut you need to remove I think was 9/16 I just used adjustable wrench. 7. After removing nuts and disconnecting water line your toilet can be lifted off. I laid down a trash bag on the floor to set it on. 8. Replace gasket, old one will be either stuck to floor flange or on bottom of the toilet. Place the new one on the bottom of the toilet with the tapered part facing down towards the floor. 9. Set toilet back in place will be little tricky to line up the holes for the bolts. Ensure the toilet is centered on the hole and sits flush and straight. 10. Tighten down the two nuts. Don’t over tighten them, the flange and the toilet is plastic and will crack. Just snug is good. 11. Reconnect water line and turn water back on and your done. No more sewer smell.
A**5
Keep a Spare
Thetford Closet Flange Seal works great with the Thetford Aqua Magic II in my camper . Keep a spare on hand just incase
J**H
Perfect fit
Great fit and feels like it's well made.
P**B
RV toilet gasket
Great RV gasket for toilet reset.
T**E
Perfect fit.
What can I say, it fit?
M**.
Stink gone
This is the one you want that goes between the toilet and the flange. This is not the one that goes between the tank and the floor. If your toilet is leaking at the base, use this one first
E**.
Factory seal
This is the factory seal between bottom of toilet and the flange
W**9
Just what I needed, Worked great.
Just what I needed, Worked great.
Trustpilot
3 weeks ago
2 months ago