New Walkout Basement toilet doesn't flush

[Raghunath Rayasam]

Hi Experts.

I have new walkout basement built 1 month ago, the toilet doesn't flush. When I flush the water reaches until
the brim level and flushes very slow leaving a large amount of water in the bowl. I have replaced with the new toilet and have checked the drain pipe by pouring 2 buckets of water. The water flows fine without any clog.
But still the issue persist. Please advice.

thanks

 

[Raghunath Rayasam]

Can any one help on this

 

[Sponsor]

 

[Reach4]

Any photos of the piping before you poured the concrete? How about a sketch of the drain and vent pipes, to the extent that you know them?

A camera would be a good tool. There should not be standing water on the way to the septic tank or city sewer.

 

[Jadnashua]

Several things can cause a toilet to not flush properly:
- an obstruction - note, it may pass liquids, but solids cause things to become slowed down; this could be in the toilet, or maybe a wax ring that slipped, partially blocking the outlet, or anywhere down the line
- improperly sloped drain line - waste will not flow uphill, and doesn't like level spots much either - it will not flush if the line is already full

Trying two different toilets would seem to rule out the toilet being the issue unless the same mistake was made in installing them. You may need to get the line scoped with a camera to see what's going on. A good operator and proper system can not only view the lines, but also detect the slope of the line along the way.