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Old 07-16-2014, 07:33 AM   #1
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Join Date: Jan 2013
Posts: 19
Dump valve lever locks?

I recently did back to back weekend camping trips and rather than store my travel trailer back in the storage lot, I parked it in the driveway. Some neighborhood kids were very curious so I showed them around the trailer. The weekend before I dumped both tanks as I left the campground (had electric and water only space). Once home, I added a little water and chemicals to the black tank. When I arrived at my last campground Friday and hooked up the sewer hose a significant amount waste water spilled out when I removed the cap. My first thought was that the kids pulled the black tank level out of curiosity, but since then I realized that the first campground dump station was on an incline and that some fluid may have been trapped I front of the black tank valve after I dumped the grey. But my original reaction got me thinking about how to prevent the problem of someone pulling a lever either by accident or as a prank and leaving a nasty surprise for the owner.. About the only thing I can think of would be something like a bike lock cable that attaches to the frame and loops over the handle.

If you can't prevent the problem, how would you deal with it?

I remember seeing clear caps, some with a hose connection. I would imagine you could put a cutoff switch valve on the hose connection and use that to drain fluid I'd you see it in the pipe.


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Old 07-16-2014, 08:23 AM   #2
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Join Date: Apr 2013
Posts: 3,423
Easy. Just put one of these on the end of your pipe, right where the cap would fit:

Twist-on Valve - Valterra T58 - Sewer Fittings & Adapters - Camping World

That way, if you make sure that end valve is closed, you only ever have to deal with maybe 1/2" of stuff between valve and cap.

Mind you, this doesn't help if the neighborhood kids decide to see what'll happen by opening the cap and all the valves. But at least you'll know who did that by looking for the kids who've recently got new shoes.

There's no use crying over spilled milk, unless it's on your keyboard.
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Old 07-16-2014, 08:24 AM   #3
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Location: Eastern PA
Posts: 875
First, educate the possible suspects. Let the kids know that if they touch those handles that terrible things will happen after you tell their parents.

Next, a label on the handles would not hurt like "Zombie Bio-Hazard - Do Not Touch" but I could see that back-firing.

Finally I keep the clear 45 degree elbow on the outlet so I can see if there has been a leak for whatever reason. If there is any sign of a leak, make sure the handles are all the way closed and get rubber gloves and a bucket. The pipe to the tank should not hold more that a gallon or so when the valve is closed.
2011 PrimeTime Tracer 2600rls
2001 GMC Yukon XL 2500, 6.0L 4.10:1 axle ratio
Nights camping 2014 - 17
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