Water Pumps & Holding Tanks

[Leroy Eckert]

The way the system works is this. Air is introduced into the water system to blow out excess water for winterization. There should be a check valve near the regulator which prevents water from back flowing into the aux air system. In most coaches that air system includes the air horns, air step , air bags, driving lights, aux air pump, bulk oil fill, fresh air vent system and who knows what else. This check valve is a serious weak link in BB's. If air can be introduced into the water system to blow it out, water can be introduced into the aux air system in the event of a check valve failure. The check valve is the only line of defense. The air regulator will not prevent water back flow and neither will the purge air switch. There are a couple of choices. Disconnect the air purge system at the purifier or water filter where ever it is installed and plug it or install a ball valve above the check valve which separates water and air and keep it shut off unless used for winterization. Everyone who has this system needs to do one or the other. Leaving it the way it is is not an option in my opinion. I have installed a ball valve. It is cheap and easy and leaves the original system intact. Leroy Eckert 1990 WB-40 Smoke N Mirrors Dahlonega, GA Royale Conversion --- On Wed, 9/10/08, Kurt Horvath wrote: From: Kurt Horvath Subject: [WanderlodgeForum] Re: Water Pumps & Holding Tanks To: WanderlodgeForum@yahoogroups.com Date: Wednesday, September 10, 2008, 11:48 PM Thanks Guys, I think your right, It could be a real problem if water flowed into the airlines and tanks. I would imagine that a failure in the valve would cause an unsafe condition. In my case the pumps are always on, but the air system is not always charged, I see where a back flow of water would mess up the mix. Would it be advisable to unhook the air line and plug it? I never winterize my coach she's plugged in and heated, we try to run year round. Kurt Horvath 95 PT-42 10AC --- In "WanderlodgeForum%40yahoogroups.com", Leroy Eckert wrote: > > Where is the picture. My regulator looks like one on a standard air compressor used to adjust the air exiting the hose. > I am going to do a post on this issue. The purge air system is a weak link in all BB's with winterization blow out systems. Be careful, you can create yourself one hell of a problem. > Leroy Eckert > 1990 WB-40 Smoke N Mirrors > Dahlonega, GA > Royale Conversion > > --- On Wed, 9/10/08, Kurt Horvath wrote: > From: Kurt Horvath > Subject: [WanderlodgeForum] Re: Water Pumps & Holding Tanks > To: "WanderlodgeForum%40yahoogroups.com" > Date: Wednesday, September 10, 2008, 11:11 PM > > > > > > > > > > > > Leroy, > > > > I posted a picture of the regulator in question. Let me know what you > > think. > > > > Jay Darst, sorry somehow I manged to post my picture in your album > > and I couldn't delet it :{ > > > > kurt Horvath > > 95 PT-42 > > 10AC > > > > --- In WanderlodgeForum@ yahoogroups. com, Leroy Eckert > > wrote: > > > > > > Your coach is much newer than mine. That said, that little > > regulator you are talking about on the filter could be the air > > regulator for the winterizing blow out system. Better check it out > > closely. You screw that up, a check valve goes bad and it can load up > > water in the aux air system. You don't even want that to happen and I > > assure you will not like the result.. I am serious. Be careful with > > that deal and trace the lines down before doing mods. Mine has an > > additional ball valve added to prevent the problem. > > > My Splendide dumps into the black tank. The best thing that could > > ever happen to a black tank. > > > Leroy Eckert > > > 1990 WB-40 Smoke N Mirrors > > > Danlonega, GA > > > Royale Conversion > > > > > > --- On Wed, 9/10/08, Kurt Horvath wrote: > > > From: Kurt Horvath > > > Subject: [WanderlodgeForum] Water Pumps & Holding Tanks > > > To: WanderlodgeForum@ yahoogroups. com > > > Date: Wednesday, September 10, 2008, 10:18 PM > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I started the re-build on the water pumps today. I'm > > happy one of the > > > > > > pumps failed. What a mess, I'll post before and after shots when I > > > > > > get it finished. I have reduced the number on elbows by 80%. That > > > > > > should greatly increase the pumps efficiency. > > > > > > > > > > > > I took the metal cover off the curb side tank bay just to make sure > > > > > > all the pushing and pulling on the pipes didn't loosen anything. > > Well > > > > > > of course that just presented more opportunities to fix and upgrade. > > > > > > > > > > > > The water filter was the first thing that jumped out at me, I will > > > > > > take it out and backwash the filter. I would like to replace it. > > I'm > > > > > > sure it's original equipment = 13 + years old. The thing I don't > > know > > > > > > anything about is the little pressure regulator or whatever it is, > > > > > > mounted to the top of the filter. Obviously it increases or > > decrease > > > > > > pressure but to what end? Also the water pipes are routed to and > > > > > > looped around it, so I'm guessing this filters water to a specific > > > > > > place. Does anyone know to where? > > > > > > > > > > > > I would like to install a gray water tank over flow pipe. Last year > > I > > > > > > ran a load of laundry and went to breakfast with some friends, a > > > > > > short time latter a call on the cell and my neighbor was telling me > > > > > > that the coach was leaking. I ask from where and he responded with > > > > > > EVERYWHERE! Well anyway no permanent damage. I thought of dumping > > the > > > > > > Slendide washer/dryer, but I like it. So I never have that problem > > > > > > again a grey water tank over flow pipe is in the future. I'm sure > > > > > > someone will chime in with the perils of dumping greywater on the > > > > > > ground. That's not my intention, my intention is to never fill the > > > > > > interior of my coach with gray water again. > > > > > > > > > > > > Kurt Horvath > > > > > > 95-PT 42 WLWB > > > > > > 10AC > > > >