I posted a while back about needing to replace a 25 y/o toilet with a
new 1.6 gpf model and being concerned that the lack of water flow
might cause a problem in our sagging drain line. I've had to put the
hose end device on the water hose and run it through there more often
since I changed out the toilet.
While I was doing this today, I had an IDEA. What if I built a water
tank mounted above the cleanout in the back yard and plumbed it into
the end of the cleanout. When the line needed flushing, I could oven
a valve at the bottom of the tank and push a lot of water through the
drain line all at (basically) one time. It would be a lot "cleaner" -
in all meanings of the word - to leave that hooked up and operate it
often. If I put the tank about the roof line, I'd get 4-5 psi force
behind it. This wouldn't be the same force as coming out of my garden
hose but there would be a much larger flow more quickly.
What do you think???