The DWV stub-out in the wall is too high! The garbage disposal drain/exit is .5" higher than the stub-out. However, it is almost 7" above the P-trap. I'm not sure this is a problem. The sink and garbage disposal are in place. Now, it turns out the P-trap pipe to the wall is 2.5" lower, than the stub-out. The stub-out is 15.5" from the drain pipe the P-trap is attached to. Is there a remedy? This is a 1911 house we're refurbishing. To lower the stub-out would require major construction. Any suggestions?
By the way - I haven't had a kitchen for over a year. I'm finally at the end and can't hook up what seems to be the simplest thing.