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Flush Ball Seal Gasket
Our rv toilet seal for Dometic 300/310/320 series rv toilet
- Enhanced sealing ability and wear resistance
- Advanced rubber material
- Quality surpasses OEM
- Accurate size design
- Long service life
Installation details:
385311658 RV Toilet Seal for Dometic
- 1.Shut off the water supply, press the flush pedal to keep the flush ball open.
- 2.Grab the underside of the old seal gasket and pull towards you to remove it.
- 3.Clean the rim and bowl area where the old seal used to be.
- 4.Release the flush pedal to allow the flush bulb to close.
- 5.Clean the flush ball.
- 6.Close the flush ball, put in a rv toilet seal and press outwards to ensure it is firmly seated.
- 7.Open and close the flush ball several times, then press the gasket to ensure it is positioned correctly.
- 8.Turn on the water supply, add water to the bowl and make sure there is no leaks.
steve fox
Reviewed in the United States on March 10, 2025
Extremely difficult to mount this on the toilet. As often is the case with made in China products of rubber. Rubber in China isn’t as soft. I don’t expect it to last and is the reason I purchased two. So far it is keeping the water in the bowl and not leaking
Rick
Reviewed in the United States on March 1, 2025
These replacement seals were tighter than the previous set I had installed. This made installation quite a bit more time consuming and difficult, but that is compensated for by what seems to be a better seal. All together it took about 15 seconds to remove the old seals from two RV toilets, and about 8 minutes to install the new seals.Good function, quality and value in replacement seal for a dometic RV toilet.
MysterIe
Reviewed in the United States on January 27, 2025
These flush-ball seals appear to be good. They're standard size for domestic, and at least initially they have a good deal.
Jim K
Reviewed in the United States on January 21, 2025
I knew eventually I would need to replace the original flush ball seal gasket and intended to get a spare to have on hand. But before I could shop around, the seal in my Dometic 300 (Rockwood 2703WS) commode, the seal started to leak. I was surprise to discover that, in a metro are of over 1 million people, I could only find one RV parts store with the right seal in stock, and that one cost twice as much as these.After that experience I did some internet shopping around I found individual seal prices for the Dometic 300 series ranging from twice as much to more than 10X as much as these from RNTKAB. I went ahead and ordered these RNTKAB seals do to a comparison with OEM one I had recently replaced. I found no discernable difference, the new ones from RNTKAB are an exact fit, just as supple as the original and just as tough, if not more so. I went ahead and installed one of these seals and it did, in fact, perform as well as the original. And now I have a backup. Since my wife and I use our travel trailer quite a bit, 3-5 months on the road each year, I should have a good idea how well they perform with repeated use by the end of the year (now Jan 2025). Should they fail I will update this review
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