We had a call where a apartment manager was having problems with a toilet in one of his units. He lived in the unit himself for a period of time and stated he had problems with the toilet while he stayed there. He wanted me to change out the flapper to see if that would fix it. I mentioned that replacing a flapper wont necessarily make the toilet flush any better, depending on the condition of the flapper and the adjustment on the chain and handle. It was a Mansfield Elongated bowl with a cylinder style flapper assembly, so there really wasn’t any adjusting to do. The toilet flushed great the first time, then I put some toilet paper in it and tried it again, it didn’t flush at all. I manually flushed it by pulling the flapper and closing it by hand and checked the flush by closing the flapper at different time intervals. Nothing was working. I seen there was snake scars on the bottom of the toilet and the maintenance man said he tried snaking it with a closet auger, didn’t change anything. I changed out the flapper with a FluidMaster pro57 flapper (best in the biz!), just to see what it would do and as I expected, it didn’t change anything. I told the manager, it could be an offset flange causing a problem as I didn’t detect any blockage after I snaked the line also with my closet auger. I recommended changing the toilet.
After going and picking up a Sterling White Elongated toilet, a brand I have not personally used very much, and pulling the existing Mansfield toilet, I noticed there was an offset flange installed. The offest flange was to move the center of the toilet drain away from the tub (minimum of 15″) and closer to the wall (Standard of 12″). I told the manager we will try the new tiolet and see how well it flushes, if it doesn’t work, we will have to hammer up the floor, offset the drain in the ground by using fittings and put a regular flange on. But we will try the new toilet first.
After cleaning up the flange and installing the new toilet, I flushed it over 20 times with and without toilet paper. The toilet flushed exactly right and the manager was very pleased! I chocked this one up to Sterling Toilets pounding the Mansfield Toilet in the ground! 
As I said, I haven’t used Sterling, a Kohler company brand, due to not being the biggest Kohler fan out there, but after this situation, I will definitely look at Sterling with a keener eye!
