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Old 05-21-2024, 11:57 AM   #1
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FW Tank Draining Ideas

We store our ‘23 Rockwood TT at my cousin’s farm. I have no access to water there so we dewinterize and sanitize at a full hookup site at a nearby KOA. This new Rockwood has the large (2”?) drain valve which is great for emptying the FW tank quickly but at a campground I don’t want to just dump the 50+ gallons of water on the ground. Other than using the onboard water pump, has anyone come up with a way to catch the water from the drain and direct it into a sewer hose?
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Old 05-21-2024, 03:52 PM   #2
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Fresh water
Dump it on the ground….you can open the valve part way and do it slower if you like so not to produce big puddle
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Old 05-21-2024, 04:11 PM   #3
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Fresh water
Dump it on the ground….you can open the valve part way and do it slower if you like so not to produce big puddle
As I said, our FW system holds more than 50 gallons so I don’t want to dump that much on the ground in a campground. If I can come up with a way to catch the water coming out of the drain and use a sewer hose to direct it into the sewer pipe at the site that would be ideal and avoid having to run the pump for 30 minutes. It would also be useful for draining the FW tank when I have it parked at the farm for storage after returning from a trip (if I can’t dump it where we were camping).

Just thinking out loud, we have a 32 gallon Barker blue boy so maybe I can use a wide funnel and dump the water into the blue boy with the sewer hose connected to the blue boy.
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Old 05-21-2024, 04:28 PM   #4
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What have you been doing the past 12 years since you joined back in 2012? Did you use something like harmful chemicals in the fresh water tank? No need for any chemicals as winterization is merely removing anything that will freeze and blow any residual water out the lines.

Not sure the need to put clean water down a campground septic system. I dump mine on my suburban lawn -- it's clean water. If your cousin’s farm resembles a real farm dumping on the ground or any drainage ditch is where to dump "50 gallons" (mine holds 30). Just drive down one of his lanes with the valve open, and it's all gone. (Not calling you out on this, just curious what 23' trailer has a 50 gallon freshwater tank.)

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Old 05-21-2024, 05:10 PM   #5
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I do agree with not dumping under the camper at the campground, just if nothing else to respect the campers coming behind you. Nothing worse than pulling into a swampy campsite....... and not knowing if it is just water.

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Old 05-21-2024, 05:52 PM   #6
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Why waste the water in the septic tank?
Drive out of the campsite a little and find a spot to dump.
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Old 05-21-2024, 06:02 PM   #7
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Chuck_S, our current TT is a 2023 Rockwood 8262RBS. It’s 30’ long. My situation is different this year because I had to relocate the trailer storage location last summer at my cousin’s request. She lets me store it there for free so I’m not complaining! Unfortunately, at the new location I don’t have access to water or electricity. This new trailer is the first one I’ve had with the large 2” FW tank drain valve. So, this year, I can’t do the sanitizing process at the farm (no water source) and I don’t want to dump the full 54 gallons on a campsite, twice since you have to refill it to flush it.
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Old 05-21-2024, 06:07 PM   #8
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Why waste the water in the septic tank?
Drive out of the campsite a little and find a spot to dump.
Not only would that be illegal around here but I still have to refill the tank to flush it after sanitizing, and as I said to Chuck_S, I no longer have access to potable water where I store it.
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Old 05-21-2024, 07:13 PM   #9
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Can you find a rubber slip on hose adapter big enough to fit over the pipe? Then run the hose to the septic.
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Old 05-21-2024, 08:15 PM   #10
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Can you find a rubber slip on hose adapter big enough to fit over the pipe? Then run the hose to the septic.
I like that idea. I’ll have to look and see what’s available. I have the “Water Bandit” faucet adapter but it probably won’t stretch enough to get it over the drain valve. I could probably fabricate something by gluing a garden hose adapter in the side of a bucket.
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Old 05-21-2024, 08:20 PM   #11
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A normal rain for an hour would produce more water per square foot compared to draining your FW tank...I feel you're over thinking how little 50gal really is, but hey...whatever floats your boat.

Introducing that much water in a single drainage to a septic is far worse than draining it to the earth.
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Old 05-21-2024, 08:21 PM   #12
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Not only would that be illegal around here but I still have to refill the tank to flush it after sanitizing, and as I said to Chuck_S, I no longer have access to potable water where I store it.
Its illegal to dump plain/fresh water on the ground in Canada? Whats up with that?
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Old 05-21-2024, 08:23 PM   #13
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I just put a 5 gallon bucket under the drain and fill it then go dump it on some grass. (Usually by that time I have pumped a lot of it out anyway, but my pump can't completely drain the tank)
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Old 05-21-2024, 08:38 PM   #14
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Its illegal to dump plain/fresh water on the ground in Canada? Whats up with that?
No. I interpreted, maybe incorrectly, that Mokurt was implying that I dump the water while towing it down the road. And the first dump isn’t just plain water, it would be water with enough bleach in it so that you can smell the bleach. Dumping along the road would not be legal here. Please note that I said “around here”, not anywhere in Canada. I don’t know what the laws would be across this very large country.
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Old 05-21-2024, 08:43 PM   #15
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It just occurred to me that you could use a pvc reducer. One side to fit the pipe, the other to fit the water bandit. May need to reduce it more than once.
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Old 05-21-2024, 08:49 PM   #16
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I like that idea. I’ll have to look and see what’s available. I have the “Water Bandit” faucet adapter but it probably won’t stretch enough to get it over the drain valve. I could probably fabricate something by gluing a garden hose adapter in the side of a bucket.

You should be able to find a rubber plumbing boot at the hardware store that will adapt down to whatever size you need, then adapt it down to a garden hose fitting. It might take a couple of boots and a couple of different step downs.

https://www.homedepot.com/p/Fernco-2...-215/100013986
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Old 05-21-2024, 08:52 PM   #17
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I’ll probably get a rectangular bucket and seal a brass “3/4 inch MHT x 3/4 inch MIP adapter” near the bottom of one side so I can drain the water into the bucket and out through a garden hose to wherever.

BTW, I think the FW drain valve is probably something like this one from Valterra, either 1-1/2” or 2”.

https://www.amazon.com/Valterra-6101...935ec6b21e5c93
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Old 05-22-2024, 04:17 AM   #18
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No. I interpreted, maybe incorrectly, that Mokurt was implying that I dump the water while towing it down the road.
Sorry I meant stop and find a spot.

I missed the part about the bleach which maybe a problem.
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Old 05-22-2024, 04:50 AM   #19
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... wanted to accomplish the same thing - draining away from the trailer.

I extended the drain line with PVC and put a fitting on the end that has garden hose threads. I put a valve right in front of the threaded fitting. You could eliminate that and use a valve on the end of the hose.

When I'm draining at the sie, there is always a best spot to avoid making a mess. Moving the hose to different spots helps as well.
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Old 05-22-2024, 05:28 AM   #20
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.... Other than using the onboard water pump, has anyone come up with a way to catch the water from the drain and direct it into a sewer hose?
I think it's inconsiderate to leave a wet muddy site for the next camper if you can avoid doing so, ... this is what I did to be able to hookup a garden hose and divert the water away from the site, ... crushing a piece of aluminum foil around the valve keeps it clean for the next time I need to use it, ....
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