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Old 09-08-2014, 08:59 AM   #1
Join Date: Nov 2013
Location: Homosassa and Fort Pierce, FL
Posts: 52
Headhunter Toilet Slow Fush

2003 Country Coach Magna

We've been full-timing at a campground since mid-january this year. For the first few months the campground water was turned off so I had to drag a hose from the bath house and fill our fresh water tank a couple of times a week. No city water meant of course we had to use our onboard pump for pressure.

Though aggravating, it worked out fine. After the city water was restored we hooked to it and didn't need our pump anymore. Sometimes the toilet would be a little sluggish when flushing. Sometimes we might have to flush twice, but no big deal.

I don't know if it gradually got slower or not but since there is a waterpump switch in the bathroom, when I wanted a really good flush, I'd turn the pump on, flush, and turn the pump back off. Worked great.

About a month ago, the water pump knocked off. Since we were leaving in just a couple of days to go home for awhile, I didn't do anything about it. We did go home and just got back yesterday. Before we even went inside I walked around and turned the water back on. We went in, wife used the toilet, and it wouldn't flush. The solenoid would click on and the water would swirl a bit but no real movement. I continued to flush maybe a dozen times over the next several minutes and it began to improve, finally getting to the point it could be used..., but for now we're taking the short walk to the bath house.

In one of my water bays there is a small tank that I take to be a captive air tank. Before any of this happened, even with the pump off and no city water, I could still get one flush. I did a little research and based on what I've seen I believe this "accumulator" probably performs a couple of functions when working properly. First, just like in a home on a well, it allows the pump to cycle less and two, if city water flowrate is a little low it can provide a boost in volume to help flush.

Thinking along those lines, this morning I did a test. Flushed the toilet and got the "half-flush". Waited a few minutes, went outside and turned city water off, came back inside, flushed, and got practically nothing (a year ago I would have gotten a full flush under this scenario). Restored to normal and got half-flush again.

This tells me there is no air in my accumulator.

Now, to get to my questions, do these tanks have a bladder? We froze up a couple of times here in January and February and if there is a bladder I'm thinking it may have gotten damaged. If there isn't a bladder, how is air that leaks out or is absorbed into the water replinished? Is it okay to hook up an air hose and pressurize it? If so, what would be the procedure?

I know this is wordy and I have a tendency to over-analyze, but I like to find and then work to fix instead of the other way around. Of course we're going to replace the water pump too but would like to get this issue straightened out as well.
2003 Country Coach Magna Haven #6190 Cat C-12
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Old 09-08-2014, 09:36 AM   #2
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mel s's Avatar
Join Date: Mar 2010
Posts: 8,777
Originally Posted by airduds View Post
2003 Country Coach Magna
Now, to get to my questions, do these tanks have a bladder?
Most fresh water "accumulator tanks" do have a bladder which separates the "head of air" from the water.
If that bladder fails the water absorbs the air, the tank becomes useless and must be replaced.
I use one of these: Shop Utilitech 2-Gallon Expansion Pressure Tank at
'96 Safari
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Old 09-08-2014, 05:47 PM   #3
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Join Date: Jan 2013
Location: WV
Posts: 84
Check the air pressure in your expansion it should be set at 5 psi higher that the turn on pressure of your pump. Mine needs air about every other year. If your tank is bad. Don not buy from headhunter. They sell them for $250. Lowes carries the same tank $40
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