[mmayville]

My particular unit does not have the drain tube. It seems that it is an add on for the water to drain. I did notice that the front of the unit where it is mounted that the drain rail is low in the front where it should be higher so the water drains from under the unit onto the roof either front or rear depending on how you level the unit. I am going to shim the front of the A/C to bring the drain rail up so the water drains away from the A/C and see how that affects the way the water drains away from the unit. We are expecting a heavy rain tomorrow so I will shim the front of the A/C this evening to see if it fixes the leak. The four bolts that hold the mounting brace in place maybe too tight causing the front of the A/C to pull the drain rail down towards the inside of the unit. Will let you know how it turns out.

Mike