Need a new toilet.

[acenjason]

So, my old thetford toilet started leaking. It only leaks when you flush it and it isn't sewage from the bottom it is fresh water from the top near the valve. I am into buying a new one but I am super worried about getting one that fits. I recently bought a macerator that was not compatible and had to get an adapter. No big deal. But putting in a new toilet has to fit and I need help figuring out what to get. Please help. Thanks in advance.

[xerofall]

Have you tried to isolate the leak? Maybe try to fix what you have instead of replacing the whole unit?

I had a problem with mine, it was a cracked water valve, the one that's pressed by the foot pedal...

http://www.statetrailer.com/products.php?item=BALL+VLV+SEALAND%2FMANSFIEL&cat=S1&item_no=71000600&detail=true

It was cracked and despite my lack of plumbing knowledge I was able to fix it.

[HandyDan]

Thetford has a conversion chart on their website to help select compatible models.  Just go to thetford.com and click on support and look for product conversion chart.

[TerryH]

A little late now as you've bought a macerator, but did you consider a composting toilet - Air Head or Nature's Head (identical)?
Never have to worry about black water again and frees up BW holding tank.
I know Kevin has one and I believe Joan Fenn does as well. I've had two on boats and they are great. Second on my list for pricey purchases, after on demand water heater.

[joanfenn]

Yes I do in both the trailer and the motor home.  Haven't needed the dump station for three years.

[Rickf1985]

What do you do with your grey water? Around here it is illegal to dump grey water on the ground.
(Yes, I know. I water the trees occasionally too. W% )

[Bnova]

So, my old thetford toilet started leaking. It only leaks when you flush it and it isn't sewage from the bottom it is fresh water from the top near the valve. I am into buying a new one but I am super worried about getting one that fits. I recently bought a macerator that was not compatible and had to get an adapter. No big deal. But putting in a new toilet has to fit and I need help figuring out what to get. Please help. Thanks in advance.

More than likely the vacuum breaker, there is a seal on it that deteriorates and then ever time you flush, it blows out a bunch of water like where you're describing and that's exactly what mine was doing as well.

I paid 25 bucks shipped, for mine on ebay, here's what you'll need if it's a starlite toilet.  Might fit other models as well, but what ever one you have I'm sure there's parts available:

http://www.ebay.com/itm/Thetford-20830-RV-Toilet-Vacuum-Breaker-Galaxy-Starlite-White-/181543693676?hash=item2a44d8ed6c

I'm sure you can find one for less money too, just posted this link as example.

[acenjason]

Hey thanks for the info guys. But I just want to buy a new toilet and am looking for one that will fit a 1975 D21. I don't really want to mess with it just put on a new one. I will contact thetford but if someone knows the exact toilet I could get that would be awsome. Thanks again guys........maybe OZ or Dave might know?

[DaveVA78Chieftain]

Based on the 1975 D21 parts book, you should have either a Aqua Magic Model SH or a Electra Magic toilet.

Thetford Toilet Replacement Chart

[acenjason]

Thanks:)