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Old 06-21-2015, 09:20 PM   #11
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The under-sink location is likely. The water pump looks like a motor at one side, and a pump unit at the end of the motor shaft, with two hoses (one in, and one out) at the other end. The motor side will have a double wire ( + and -) going to it. You may see other lines, tees, valves, etc, depending on configuration.
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Old 06-21-2015, 09:28 PM   #12
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If you hear an electrical buzz from the hot water tank, cut off power to it. It may be operating and trying to warm up the water electrically. Don't let it even try until you get water going, or else you might be trying to heat up a dry tank. Cut off both propane and electrical to the hot water heater.
For now, just focus on the city water getting from the supply hose, inside the trailer, and to the cold water tap in the sink.
Find the pump. It's usually next to the fresh water tank, if the water tank is inside, say under a couch cushion. Otherwise, if the fresh water tank is below the floor, (you can guess where based on both the fill cap and the under-the-belly tank drain valve or capped line) then the pump would be above it. Look for a compartment that is usually closed only by 4 wood screws. Not an access door, but not hard at all to open up.
I confirmed that the Shurflo water pump is under the sink. The switch that I thought was for the water pump is turning on the water heater. I hear the click of the lighter and the flow of propane. Won't use that again until I have water.

The water flows freely from the hose itself, but still isn't getting into the trailer. There is a plastic regulator of some type with a spring at the city water intake. I tried to pull it out, but the back end is larger than the hole. Some water got past it and it moves freely.
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Old 06-21-2015, 09:34 PM   #13
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I confirmed that the Shurflo water pump is under the sink. The switch that I thought was for the water pump is turning on the water heater. I hear the click of the lighter and the flow of propane. Won't use that again until I have water.

The water flows freely from the hose itself, but still isn't getting into the trailer. There is a plastic regulator of some type with a spring at the city water intake. I tried to pull it out, but the back end is larger than the hole. Some water got past it and it moves freely.
Can you shoot us a photo of thing with a spring?
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Old 06-21-2015, 09:41 PM   #14
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I confirmed that the Shurflo water pump is under the sink. The switch that I thought was for the water pump is turning on the water heater. I hear the click of the lighter and the flow of propane. Won't use that again until I have water.

The water flows freely from the hose itself, but still isn't getting into the trailer. There is a plastic regulator of some type with a spring at the city water intake. I tried to pull it out, but the back end is larger than the hole. Some water got past it and it moves freely.
Good thing on the pump find, and the switch operation. That "regulator" of some kind sounds like another backflow preventer, at the city water inlet. It is designed to keep your pressurized system (from running the pump) from feeding water back into the city system. It is a one-way valve, spring-loaded to allow city water in, but no water out. It sounds stuck. I don't know its exact configuration. You might be able to poke into it with a plastic straw (like from a WD40 bottle) or something. You might have to remove it. Focus your efforts on this thing.
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Old 06-21-2015, 10:10 PM   #15
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Good thing on the pump find, and the switch operation. That "regulator" of some kind sounds like another backflow preventer, at the city water inlet. It is designed to keep your pressurized system (from running the pump) from feeding water back into the city system. It is a one-way valve, spring-loaded to allow city water in, but no water out. It sounds stuck. I don't know its exact configuration. You might be able to poke into it with a plastic straw (like from a WD40 bottle) or something. You might have to remove it. Focus your efforts on this thing.
That's just how it functions. When I push on it, water comes out, but left alone it blocks the water from flowing back into the hose. The piece moves freely, so I don't think it's stuck.
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Old 06-21-2015, 10:15 PM   #16
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Can you shoot us a photo of thing with a spring?
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Old 06-21-2015, 10:36 PM   #17
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So you can push the little center stick, and water comes out. Where did that water come from? Is it fresh city water? Sounds like if you can push the valve open, then the city water pressure was also able to get past it. I believe that's where the water came from. So ok, now we believe you have city water pressure inside the trailer when the hose is hooked up, and the city water valve is on. So now, with the system under pressure, go to unscrewable cold water fittings, say under the sink, or at the toilet, and SLOWLY start to unscrew things. Look for water to come out. Preceded, perhaps by escaping air. Have somebody ready to turn off the hose in case something comes loose. Using this method, you can find where water is and where it isn't.
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Old 06-22-2015, 12:08 AM   #18
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That stopper need to come out, it's in there to keep the antifreeze in after winterizing. I had the same problem on my last rig, the people took it to get winterized and that stopper was left in by the dealer who winterized it.

It took a few phone calls to the guy I bought it from on our first trip, but we figured it out.

I'd bet money it's gonna look like this, I lost the spring...

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Old 06-22-2015, 12:51 AM   #19
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That stopper need to come out, it's in there to keep the antifreeze in after winterizing. I had the same problem on my last rig, the people took it to get winterized and that stopper was left in by the dealer who winterized it.

It took a few phone calls to the guy I bought it from on our first trip, but we figured it out.

I'd bet money it's gonna look like this, I lost the spring...

That's definitely what it is, but it won't come out thought the intake--too big. Do I need to get it out from the inside?
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Old 06-22-2015, 12:54 AM   #20
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So you can push the little center stick, and water comes out. Where did that water come from? Is it fresh city water? Sounds like if you can push the valve open, then the city water pressure was also able to get past it. I believe that's where the water came from. So ok, now we believe you have city water pressure inside the trailer when the hose is hooked up, and the city water valve is on. So now, with the system under pressure, go to unscrewable cold water fittings, say under the sink, or at the toilet, and SLOWLY start to unscrew things. Look for water to come out. Preceded, perhaps by escaping air. Have somebody ready to turn off the hose in case something comes loose. Using this method, you can find where water is and where it isn't.
Makes sense to me. I'll try that tomorrow after work. Thanks for all of the advice.
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