How an automated RV dumping system works

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Doug Swarts, the inventor of the Drain Master electric sewer valve, explains how the system permits an RVer to dump his or her holding tanks remotely from inside the RV. This is the same system that RVtravel.com editor Chuck Woodbury installed in his motorhome. Read Chuck’s essay about his system here and/or watch the video below to see its developer explain how it works. The electronic valve demonstrated is the Drain Master S2VT Pro-Series Valve.

More information is available at https://Drainmaster.com or by contacting Doug at doug@drainmaster.com or (877) 787-8833.

 

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Kiwi
Kiwi

It there a safety measure in case the go button is pressed and the hose is not connected?

rvgrandma
rvgrandma

Does it have a heater on it so the valves will not freeze up?

Doug
Doug

RVgrandma We do not have a specific heater for our valves; however, a number of customers in cold weather conditions tell how well they work with heat tape. Here is one customer’s comment: “Wanted to let you know, I lived in an RV 4 years in the oil field in North Dakota. 1st year, dug snow out from around my dump valve, that was double wrapped in heat tape to dump my holding tank. and was still froze shut at times. Installed your Drain master dump valve, and wrapped it once with heat tape, worked for 2 years, never failed.… Read more »

John Jamieson
John Jamieson

I guess I’m too thick to get it. The “automated” part of the automated dumping system is the powered valve? One still has to go outside to hook up the hoses to the black and grey water tanks, right? And one still has to unhook the hoses from the tanks and flush them and put them away, right…? So the one part of the job that is usually the cleanest (pulling the handle to open the valve) and easiest is the powered part of the process? Whatever happened to the K.I.S.S. principle?

Doug
Doug

Hi John, Actually Both Chuck and Greg’s sewer hose is permanently connected to their RVs using industrial grade Cam Loc fittings so all they do is pull the nozzle out of their water bays and insert it in the ground sewer inlet. When they feel it is in there securely, they open the valve in the nozzle then go to their RV and push the button to Open the Black valve. The standard dumping practiced by everyone is used, i.e., Black first followed by the Gray — we did NOT change any of that part of the process. If sitting… Read more »

Fred Hebb
Fred Hebb

Sitting in Wilkes Barre, PA waiting out snow storm to the south.

Fred Hebb
Fred Hebb

I enjoyed your short video very much. I have been fifth wheeling for a number of years and knew about not leaving dump valves open all of the time so pulling the handle now and then is no problem. Quality control of newer RVs is however. A fellow told me a long time ago that they are all junk and I have a tendency to believe him. In 1972 I built a slide in camper and it was the best of all. I purchase a new fifth wheel in December 2015 and had and still have it’s issues. When I… Read more »

Mel Goddard
Mel Goddard

Re: The ‘remote controlled’ RV tank dump valves.

I would prefer to see what comes out of the tanks, especially black, so that I can see if any TP wads are still coming when I flush
I forsee that one can close a valve not knowing that there is a wad of TP trapped in the slide.

Doug
Doug

Mel,
We have a clear view fitting right behind the sewer nozzle to insure the tanks as well as the hose is clean. By keeping your Gray tank closed until it is 3/4th full your chances of TP issues are reduced dramatically! Also having a 3″ valve on your Gray tank really helps keep the Gray tank cleaner AND does a much better job of cleaning the sewer hose.