More grey water than grey matter? - Escape Trailer Owners Community

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Old 10-12-2016, 02:43 AM   #1
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More grey water than grey matter?

We just returned from five outstanding weeks of camping and hiking in national and provincial parks in Alberta and Saskatchewan. Our 2014 Escape 21 performed like a champ, except for one puzzling problem near the end of the trip: the grey water tank will not drain.

At the sani-dump, the black water tank drains as normal, but when I close its valve and pull the t-handle for the grey water drain, nothing happens. The monitor indicates that the tank is half-full, which is about right.

Has anyone run into this problem and found a way to solve it? Thanks for any suggestions you might have.
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Old 10-12-2016, 07:04 AM   #2
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I'd put more water in the gray tank and be sure the trailer is level and try again.
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Old 10-12-2016, 07:37 AM   #3
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Could the handle have pulled from the gate? May have to disassemble it. Thankfully it's the gray and not the black. I lubed mine this spring as the gray seemed bound.
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Old 10-12-2016, 08:22 AM   #4
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Quote:
Originally Posted by Catchlight View Post
We just returned from five outstanding weeks of camping and hiking in national and provincial parks in Alberta and Saskatchewan. Our 2014 Escape 21 performed like a champ, except for one puzzling problem near the end of the trip: the grey water tank will not drain.

At the sani-dump, the black water tank drains as normal, but when I close its valve and pull the t-handle for the grey water drain, nothing happens. The monitor indicates that the tank is half-full, which is about right.

Has anyone run into this problem and found a way to solve it? Thanks for any suggestions you might have.
Hi: Catchlight... Try putting some blocks under the wheels to increase the slope of the trailer towards the drain. Our 5.0TA grey drains so slo that it seems like nothing's happening!!!
I remember pulling an errant kids sock from the washing machine drain at home that wouldn't drain. Should have stood up to pull it out!!! Alf
escape artist N.S. of Lake Erie
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Old 10-12-2016, 08:31 AM   #5
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Grey water draining

Like Alf, I often pull up onto a couple 2X6s to aid draining. I also open the sink drains and the floor drain in the shower to make sure I dont have an airlock.
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Old 10-12-2016, 01:27 PM   #6
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While tanks often don't completely drain, staying half-full and not flowing at all doesn't seem like a drainage angle issue to me. It is not just an erroneous level reading, as it is known that a substantial amount of water was added to the grey waste tank. Lack of venting will interfere with proper flow, but even if the vent was somehow completely blocked, there would still be some drainage.

It looks like either the valve is not opening (as Bob suggested), or the piping is blocked (but by what?) If we're running a pool, I'll bet Bob's right. Fortunately, if that's the problem it may be possible to screw the handle's shaft back into the gate without disassembly... unless it's broken.
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Old 10-12-2016, 01:42 PM   #7
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Drains and foot flush

Quote:
Originally Posted by Iowa Dave View Post
Like Alf, I often pull up onto a couple 2X6s to aid draining. I also open the sink drains and the floor drain in the shower to make sure I dont have an airlock.
Dave
I have Hepvo valves under my sink and shower in my Casita. What is this about opening sink and floor drains?
I'm also wondering how people flush the toilet in an Escape if the don't pay extra for the foot flush?
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Old 10-12-2016, 01:51 PM   #8
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Hand flush is standard and foot flush is a $60.00 option. Escape doesn't use Hepvo valves and my understanding is that they won't put them in. Shower and sink drains have a stopper valve to open and close.
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Old 10-12-2016, 02:28 PM   #9
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Quote:
Originally Posted by Starbrightsteve View Post
I have Hepvo valves under my sink and shower in my Casita. What is this about opening sink and floor drains?
Quote:
Originally Posted by SFDavis50 View Post
Escape doesn't use Hepvo valves and my understanding is that they won't put them in. Shower and sink drains have a stopper valve to open and close.
Hepvo valves serve the same purpose as a trap (preventing gases from the tank from coming up the drain in normal use), as well as preventing liquid backflow (waste sloshing up into the shower pan while driving). Escape uses conventional traps to handle gases, and provides the drain stoppers to handle sloshing.

In the case of this tank draining issue, the drain stopper should not be the problem, since there is a normal tank vent - the shower drain stopper would need to be removed to completely drain the shower plumbing, but would not prevent the tank from draining.
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Old 10-12-2016, 03:36 PM   #10
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Quote:
Originally Posted by SFDavis50 View Post
Hand flush is standard and foot flush is a $60.00 option. Escape doesn't use Hepvo valves and my understanding is that they won't put them in. Shower and sink drains have a stopper valve to open and close.
Dunno if the Hepvo valves meet Canadian plumbing codes...........
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