I have a 2014 Miramar and am having an issue since day 1 with the shower not draining. I have examined all pipes and vents,blew out lines and still cant get the drain to work correctly. If I leave the gray valve open it drains with no problem.If i close the valve after draining tank It starts to back up before you are in shower for 2 minutes. I took it in for warranty work at CW and they told me the tank was too small. Give me a break! I see where there is a vent to the roof that it is connected to but I was also wondering if its not enough of a vent and should i add one under the sink by tying in.It just acts like a venting problem. At this time i am thoroughly frustrated. Any help would be greatly appreciated.
Thor Forums
