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Assuming you have a Microphor Air Toilet, the correct air pressure is 60 PSI and you will have a regulator mounted somewhere. You can’t use a home toilet style tank because your toilet is rear discharge and does not drop directly into the holding tank.

Call Mullaney & Assoc., 856-596-1299 or go to Ed Mullany. They are the only game in town for Microphor and can help you with determing what is wrong.

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Rocky likely has a Headhunter. The problem could be related to the switch that controls flushing or more likely the flush valve.

Not knowing the floor plan on Rocky’s coach all I can say is start following the water supply line and near the toilet, probably behind or beneath a panel will be a small 3 or 4″ diameter flush valve. With the water off and pressure at Zero remove six screws and open it up carefully. In the rubber diaphragm there is a small hole and it might be possible the hole has a bit of debris blocking it. make sure that is clean. While it is open check the operation of the solenoid by pressing the flush switch. If all checks out, reassemble the valve and everything should work.

I had that problem and when I did that I never did see the debris that might have been blocking the hole, but I did clean it carefully and when I reassembled it everything worked and it never gave any more problems.

If you do not have a shut off valve on the braided water supply tube to the toilet I would strongly suggest you get a large diameter ball valve (Lowes has them) and install it in the line. If you ever have a repeat of the problem you can turn off the water to the toilet (I added it in the water bay) and the rest of the house still has water.

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I put 60 # of air in the small pressure tank , And the toilet now flushes fine !

Thanks Tom !

Rocky

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Rocky, if you are talking about the accumulator tank in the water system the pressure should be about 2 PSI higher than the pump cut in pressure. It sounds like if you had some debris affecting the flush valve you dislodged it.

Since the same thing can occur again give consideration to a shut off valve so if it does you have the ability to isolate the toilet from the rest of the water system.

[Georges]

It’s hard to give advise without knowing what you have. If you put 60 psi in the accumulator tank, that’s a big problem. Tthe 60 psi is the operating air pressure required by the Microphor air toilet, not the air needed for the accumulator tank that controls your water pressure. Do you have an air toilet? If you don’t it’s probably a Headhunter and not air.

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Accumulator tank , I do not know if that is it or not ? I think it is a pressure tank. In Our Cabin there is one like it on top of the Hot water heater. I do know that the old one had a hole rusted in the bottom. And I replaced it. And the toilet would not quit running until I put 60 # of air in it like someone suggested. And it started flushing fine. Air flush ? I do not know, Possibly ? There is a small gold button that is Flush with the Housing that surrounds the button on the rear left if You are standing facing the toilet. There is pocket doors to the bathroom that are Air controlled like the sliding passenger floorboard.

Thanks,

Rocky

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Rocky,

This ain’t your father’s Oldsmobile. My point is taking shots in the dark because it worked on something else can prove ill advised on our coaches. Messing with plumbing fortunately has less expensive consequences than fooling with some other systems, but still can bite you if you are not careful.

On the Liberty coaches I have seen, the accumulator or expansion tank is blue and has an air fitting in the top. It does need air pressure to make perform its job, which is two fold. It uses that cushion of air to prevent the pump from short cycling. Without any air pressure the pump would turn on and off instantly as the need for water occurs. With the proper air pressure the pump would kick on at its lower set point and run until it reached the pressure needed and then shut off. In the meantime water would flow at a near constant rate. It also provides a place for the expansion of water in the system to go, such as when the water in the HW tank heats up the tank absorbs that expansion. If the tank had no air pressure, or in this case maybe too much air pressure the water expansion will open the safety valve, or bust a pipe or fitting. Think about how much fun you could have replacing a broken pipe behind your cabinets. And how much damage it can cause before you realize the house is flooded. My point is having the right pressure in the accumulator or expansion tank is important, and 60 lbs is too much.

We are here for you. Ask questions. The reason we are all so brilliant is because almost all of us has doctoral degrees from the school of hard knocks and our advise is usually based on first hand knowledge.

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Jon,

How do I find the correct pressure ? It is 2 lbs over the pupm pressure , Correct ? Is that listed on the pump somewhere ?

Update : Ok , I have a Paragon Pump Model PSR that is 50 Amp 12V , And so far , the info that I can find online says it operats 30-50 PSI , So I should need between 32 and 52 # of pressure. And from what I have seen as far as the cost of one of these pumps , I hope I never have to replace it ! I checked the Heater in the water bay , Heater and Thermostat work fine ! Add that to the good column !

I have let out a Considerable amount of Air from the tank. And the Toilet still flushes fine. It is dark , I will check adjust pressure tomorrow.

Thanks,

Rocky

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The accumulator (expansion) tank setting is typically about 2 PSI higher than the water pump cut in pressure.

Your Paragon pump has a built in pressure switch so you can observe the upper and lower limits by watching the pressure gauge that is likely located on the opposite side of the coach from the pump. If you are close you are OK.

I have added a pressure gauge near my water pump(s) so I could monitor pressure without running from one side of the coach to the other.