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Old 08-16-2014, 04:33 PM   #1
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Where Is My Water Heater Tank Access

93 Winnebago Vectra 37 Gas

Been chasing leaks since I got it, finding plumbing for this thing is ridiculous as Winn used its own weird size connectors and I am trying to NOT have to replumb. Been to many RV Parts places and they are Dumbing up, I DON'T KNOW WHY THIS DOESN'T FIT. Well finally found a guy who looked at it and said Oh early model Winnebago? He also before I could ask for it, said Let me guess, you also need the Draw Hanging Brackets for the Rails, I shook my head and said YUP.

Well it's all in the learning process. So anywho, I fixed one leak, then another, now I am seeing water drip from under the rig by the fridge and water heater stuff. I am going to assume I have a leak near the water heater tank. I do not see any leaks under the rig, seems to be coming from the inside of the rig, its dripping right in front of the rear axle.

So where can i gain access to the tank and its water fittings?
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Old 08-16-2014, 06:01 PM   #2
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If your layout is like this one:
http://www.winnebagoind.com/products...Vectra-bro.pdf

Page 2 of brochure shows passenger side behind entry door. Water heater is behind the square hatch with the grill in the upper left corner. It's right below the refrigerator vent on the passenger side. The fittings on the water tank for cold and hot are on the back, might be accessible from underneath or in a cabinet beneath refrigerator. Often the connections have a one way valve installed. Behind the hatch on the outside should be the drain plug at the bottom of the tank and a pressure relief valve at the top. The pressure relief valve is common place for leaks to develop, snap the lever a couple of times to dislodge deposits if it shows signs of leaking. If you have a Suburban water heater, the drain plug has an anode on it and should be replaced when needed.
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Old 08-16-2014, 11:24 PM   #3
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I know about the outside hatch and I opened that, but nothing is leaking from there, are the only hot water connections behind that panel. It seems to be coming from under the coach as if its leaking from the inside of the Coach.

I guess I should fire up the Hot Water Heater then feel if that dripping water is warm. What about the water lines that feed that tank, any idea where those water lines run.
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Old 08-17-2014, 12:17 AM   #4
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The water lines are run inside the heated portion of the RV as much as possible to prevent freezing. I'd look under the refrigerator and any cabinets or closets near the water heater. If you look in the outside hatch, you'll see that the whole WH is only held in place by about 4 screws that hold the WH tank and controls against the metal rim around the hatch opening.
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Old 08-17-2014, 10:29 AM   #5
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'93 predates Winnebago's use of PEX plumbing and Flair-It fittings?

Looking at your plumbing diagram that appears to be the case.

Must be polybutelene or something like that?

As for teh location of the leak, the diagram above shows some valves on the back of the water heater, have valve been an issue in other places? Is it freeze damage you're fighting? Ice will break about anything...
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Old 08-19-2014, 04:44 PM   #6
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Had a leak in my water heater on a '96 Damon Daybreak. I had to pull the WH out of the side of the coach (I've seen some coaches that give you access to the back of the WH from under the kitchen cabinet). The water hoses are long enough to pull the WH out to allow you to disconnect them but the hoses are semi-rigid so you have to be careful. It turned out on mine that it was a crappy plastic check valve that cracked. I order a nice brass check valve and no more leak. I also ordered some gray sealing tape to seal the outside of the WH to MH when I re-installed the WH.
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