Exploring some toilet options

[eagle19952]

I just put the Thetford Tecma Silence Plus in and love it.

I hate having to hold the pedal to fill the toilet on an Rv toilet.  Love just pushing a button and then it auto fills.

http://www.thetford.com/part/tecma-silence-plus-rv/

yup, if you have low water pressure it could be 10 seconds of misery...otherwise 4

[TomC]

Yeah but compare the price of the Tecma Silence Plus to a gravity toilet. Plus a gravity toilet needs no power. Wait till you have to repair and replace the pump or the circuit board-then you'll understand what I'm talking about. Good Luck, TomC

[Oonrahnjay]

       Professional and the plumbing code use a slope or drop of 1/4" to 3" per foot of drainage (or vertical).  If it's less than 1/4" per foot, there's no water movement (or at least so little) to move solids; if it's more, the water just rushes past solids and doesn't move them.  Solids that aren't moved tend to harden in the wrong spots and require difficult repairs.
       My personal opinion is that vertical is best in an RV but if it's not possible or practical, then I'd follow the code info (in fact, I did).  We shouldn't forget that most of us are concerned that we have a limited amount of water available and attempt to minimize the amount we use for flushing -- too little can cause big problems.
       Of course, DIYW.

[chessie4905]

Plumbers told me they have recommended reducing soil pipe diameter from 4 inch to three. The thinking goes that the fluid level in pipe will be higher and thus move the solids better. I would think a house toilet would be nice if you have the room, water use won't be an issue, far less costly, and no fume issues.

[Scott & Heather]

We've converted two coaches. The first had the tank opposite side. Ran the line at a slight angle to tank. No problems in 6 years of fulltiming. Our new coach has an almost horizontal line from our master bath (sink and toilet) that mates up to the sink and toilet of the guest bath and then dumps into the tank. No problems in what will be two years of fulltiming in this coach.


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[kyle4501]

RE: Water use

Water use isn't an issue until your waste tank is full & you can't dump it. 
SO -- how you use your coach will determine if you need a low flow RV toilet -or- if a house toilet will serve your needs. 

When we had a 15 gallon black tank with 4 of us using it, water usage was a very big issue. 
Now, even with a much larger waste tank, water usage is still important since we like to dry camp. Sure is nice when you don't have to plan your trip around the flow of water. 

[windtrader]

We've converted two coaches. The first had the tank opposite side. Ran the line at a slight angle to tank. No problems in 6 years of fulltiming. Our new coach has an almost horizontal line from our master bath (sink and toilet) that mates up to the sink and toilet of the guest bath and then dumps into the tank. No problems in what will be two years of fulltiming in this coach.


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Scott is always on the pole so strict water use is not an issue. Just curious but do you use standard RV type toilets or ones that have more generous flush water? If so, it likely makes a difference keeping lines clear.

[PNWorBUST72]

IS the Tecma thing just adding a garbage disposal to the line to "macerate" your deposits?

Why not a composting toilet, no water or black to worry about.

https://www.amazon.com/Natures-Head-Composting-Toilet-Standard/dp/B003EX7LV6