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tim43 · 10-25-2009, 09:41 AM

Finished dumping the black tank this morning and then hooked the hose up to flush out the black tank. Turned the water on and noticed that very little water was flowing back out of the tank through the sewer hose. Let it go for a while and then saw clean water running out of the belly and from the artic pack. Turned it all off and went around to the front door and water was coming from that area as well. Went inside and there was water on the floor and some soaking the carpeting as well. About a 4-5 square foot area. We soaked that up with towels. My best guess is the flush connection to the black tank broke. When we got home this afternoon we used the wet vac on the carpet and I have a fan going on the area to make sure it all dries out. Will set up an appointment with the local Montana dealer in the morning to get it fixed. In the event that it takes a while to get it into the dealer, is the flush connection on the top of the tank? Reason I ask is in case we go camping before it is fixed, will it be okay to use the black tank?
5 November
Took the rig to the dealer today and it is the back flow preventer valve. They are ordering one plus a spare for me. Should have the rig back next week.

10-25-2009, 09:41 AM	#1
tim43 Montana Master Join Date: Mar 2009 Location: Fayetteville Posts: 657 M.O.C. #9178	Black Tank Flush Failure (UPDATE) Finished dumping the black tank this morning and then hooked the hose up to flush out the black tank. Turned the water on and noticed that very little water was flowing back out of the tank through the sewer hose. Let it go for a while and then saw clean water running out of the belly and from the artic pack. Turned it all off and went around to the front door and water was coming from that area as well. Went inside and there was water on the floor and some soaking the carpeting as well. About a 4-5 square foot area. We soaked that up with towels. My best guess is the flush connection to the black tank broke. When we got home this afternoon we used the wet vac on the carpet and I have a fan going on the area to make sure it all dries out. Will set up an appointment with the local Montana dealer in the morning to get it fixed. In the event that it takes a while to get it into the dealer, is the flush connection on the top of the tank? Reason I ask is in case we go camping before it is fixed, will it be okay to use the black tank? 5 November Took the rig to the dealer today and it is the back flow preventer valve. They are ordering one plus a spare for me. Should have the rig back next week.