Electric flush toilet

T

trickyrick

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C-24 C (Sterndrive)
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Good day
new to boating and Im replaceing my sewage holding tank. I know nothing about marine plumbing. I however do know about residential plumbing. I was gong to replumb my head with a new toilet and use 3 inch ABS like a home but was told Ill have too much water. I noticed that the pump out is only 1 1/2
Im not sure how to ask this dont want to be crude
If someone has a rather Ill say healthy bowel movement does the electric toilet chop it up to me an 1 1/2 pipe from the electric toliet does not seam large enough also from my toilet to the inlet into the tank there is not much downward slope
Anyone clear this up a bit
Thanks
Rick
 
Hi Rick,

Marine toilets do not rely on gravity. Typically the tank is not enough lower than the toilet for that to work. Plus, a gravity toilet requires a lot of water which would fill up your tank quickly. Our Raritan electric toilet on our R27 has a built in macerator which chops it up and pumps it through to the holding tank. It works well but is fairly loud. We also often use the fresh water from the sink with the spray nozzle to clean the bowl.

Curt
 
Our Raritan electric toilet does not retain any water in the bottom of the bowl which helps keep the smells in check. Raritan says that a vent loop needs to be installed for this to happen. See below from Raritan site. I believe Ranger does not install these vents during production. Has anyone installed a vented loop and did it help? I have built a black water tank filter which was very successful eliminating doors from the tank vent but still occasional odor from toilet.
Ed/

From Raritan site,

4. No water stands in the bowl after the cycle, why not?
Raritan toilets are not designed to hold water unless a vented loop is installed in the discharge line with the top of the loop generally 4 inches higher than the top of the bowl. See the specific toilets installation manual for specifications and loop height limitations
 
Marine plumbing is flexible because boats flex. Also, unlike household plumbing, some parts of the pipe may retain water as it is not gravity feed. Best to stick with supplies from a marine chandlery. The white flexible pipe is quite strong and will not collapse when using the deck pump out. Not easy to work with. Sometimes it needs to be heated to fit over fittings.

Sent from my SM-T700 using Tapatalk
 
Thanks guys I appreciate the answers
Just a follow up on maintaining the tank
I have read posts that say they keep a gallon jug of water with some dawn dish soap in it and flush it down every week or so. It was to keep the solids from sticking to the sides for a better pump out. Also I know there is a bio degradable toilet paper on the market is that a must to use of can I keep using my Costco 2ply
 
We do two things to help maintain our system:

1. Do not allow TP to be flushed at all (We keep a small lined can next to the toilet. It isn't as gross as you might think).
2 Regularly use Odorlos to help break things down and avoid smells. There are lots of other chemicals, but this one seems to work well. Here is a link: https://www.amazon.com/Odorlos-V77004-H ... ds=odorlos

Other folks use vent line charcoal filters to reduce bad smells. You can find many threads on Tugnuts about these type of filters.
 
We use Costco TP and have never had a problem. We also use the Raritan products only. KO and CP. we haven’t had an odor problem since switching to this and adding a charcoal vent filter. Whatever brand you use if it is a bio active product you should not mix in other products (or soap!) as it will kill the bacteria.
 
WAG Bags. Kitty litter in a Zip Lock (gallon) bag. Put the paper in the bag, zip it up taking care to keep the poop folded inside the paper to avoid brown finger prints on the outside of the bag.

This is gross stuff, but serious stuff. For short trips and day trips we don't allow poop in the toilet, we lift the lid, line the dry bowl with a kitchen trash bag sprinkle with kitty litter, do your business, remove the bag, purge trapped air, seal it very well, we use the double tie, twist, tie, fold and tie off below the first tie...place in small covered waste can.

We also use baby wipes. They are very handy and reduce the amount of TP use. TP First, then clean up with baby wipes.

In all seriousness small vessel heads are a headache for solids. The holding tanks are small and one event can ruin the day...Best practice is keep solids out of the system.

And then there is the NASA WAG Bag solution... http://www.cleanwaste.com/go-anywhere-toilet-kit
 
We don't do anything special with regard to solid waste, and have never had a problem. We usually use RV/marine toilet paper, but not always. We pump out the holding tank frquently, never letting it sit with waste in it for more than a few days. After pumping out, we fill the holding tank with water and pump out again. This keeps waste from clinging to the inside of the tank.
Our toilet uses fresh water for the flush. Although we have to refill the fresh water tank more often, we don't suffer from holding tank odors.
 
Our boat is 8 years old and the head is used frequently, sometimes daily. We live on the boat about 3 months a year with long trips in between. The only maintenance to the system has been a joker valve and a new macerator pump. I made a charcoal vent filter and change the charcoal every couple of years. I installed a waste tank level monitor which has been very accurate. We use marine grade TP bought at Walmart. I can't imagine having to bag waste and TP.
 
We live full time on our R29.. We use the toilet and toilet paper every day.. the boat is 8 years old We have been full time for 4 years.. still working great..
I researched toilet paper.. found White Swan 1 ply worked good in the disintegration test (put a square in a Tupperware container put lid on and shake.. see how it breaks up ) lots of this on line.
Anyways good luck you will get lots of help here.
 
We also did the “shake test” on several brands of toilet tissue and found major differences between brands. In our tests the MD brand of tissue disintegrated as quickly and thoroughly as West Marine’s dedicated marine tissue and it costs significantly less.
 
Sorry Im in Canada whats the MD brand
 
Trickyrick, sorry, apparently the brand is unavailable in Canada. I tried to send you a link to it from Amazon or Walmart of Canada but couldn’t find the product. I see Charmin and Cottonelle advertised, neither of which performed well in our at-home tests. You can do the test yourself by filling glass jars half full of water and placing one square of various brands of TP in each jar. Put a square of dedicated marine tissue in one jar for comparison. (Don’t forget to label the jars!) Then give each a few shakes and set them back down. Come back in 10 or 15 minutes or so and look. To pass the test, the square should basically be obliterated into timy fragments.
 
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