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Old 02-26-2020, 03:53 PM   #1
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What are these drains/vents?

I have two drains/vents on the rear driver side of my chappy (see pic). They are somewhat close to the fresh waster tank drain. Any idea what they are for?
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Old 02-26-2020, 03:59 PM   #2
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whats above them? Knowing whats above makes it much easier to determine. Also a year make and model helps.

2 together is generally low point drains but 1 is generally red and it would need a valve inside as there is nothing below.

The one by itself maybe a fresh water drain.
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Old 02-26-2020, 06:17 PM   #3
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whats above them? Knowing whats above makes it much easier to determine. Also a year make and model helps.

2 together is generally low point drains but 1 is generally red and it would need a valve inside as there is nothing below.

The one by itself maybe a fresh water drain.
The one by itself is the fresh water drain. The two others aren't the low point drains, those are elsewhere. Above this is the living room, fireplace, tv. Not really anything water related. These look like vents? maybe there is some kind of overpressure on the fresh water tank?
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Old 02-26-2020, 10:38 PM   #4
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What are these drains/vents?

They are the overflow/vent tubes from the fresh water tank. When water starts flowing from them you know the fresh water tank is full. One is supposed to be a vent tube to prevent suction as the pump draws water from the tank.
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Old 02-27-2020, 09:07 AM   #5
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They are the overflow/vent tubes from the fresh water tank. When water starts flowing from them you know the fresh water tank is full. One is supposed to be a vent tube to prevent suction as the pump draws water from the tank.
Thanks! Thats what I figured. Knew you would have the answer
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Old 02-27-2020, 09:32 AM   #6
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They are the overflow/vent tubes from the fresh water tank. When water starts flowing from them you know the fresh water tank is full. One is supposed to be a vent tube to prevent suction as the pump draws water from the tank.
If that is the case it would be most unusual because typically the so called overflow tube is actually the tank vent. It does indicate when the tank is full but it would be one and the same tube.
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Old 02-27-2020, 05:01 PM   #7
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Fresh water Overflow

I'm thinking maybe its a fresh water overflow
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Old 02-27-2020, 05:47 PM   #8
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I'm thinking maybe its a fresh water overflow
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