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Open Roads Forum  >  Beginning RVing

 > Fresh water tank drain.

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Silas Carpy

Elmira N.Y.

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Posted: 10/07/21 10:38am Link  |  Quote  |  Print  |  Notify Moderator

Not sure if right forum? First time winterizing. I cannot find a drain plug for fresh water tank. 2009 fleetwood pulse class c. Is this a thing? Do they make some of theses w/o a drain? Also, best to drain and leave black tank empty or water w/antifreeze? I’ve read both opinions. Thank you.

way2roll

Wilmington NC

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Posted: 10/07/21 11:43am Link  |  Quote  |  Print  |  Notify Moderator

For your FW drain you may want to try posting the question on a Fleetwood forum. But it should be directly below your FW tank, and either a ball valve or cap on the end of the PVC. Probably have to get on your hands and knees to find it. Not sure if the low point drain will drain your FW, but it's worth a shot if you can't find the FW drain. As far as winterizing, for your black, grey and FW, if they are empty they won't burst from freezing. Bursting happens when the expansion from frozen water exceeds the area in which the water is trapped. An empty tank does not need antifreeze. Not sure why anyone would advise filling your tanks and adding antifreeze. Seems like a lot of wasted water and antifreeze for nothing. And you didn't ask but, you want to drain your water heater as well and use a bypass so you aren't filling that up with antifreeze. To drain your lines, use your low point drain and it's usually a good idea to blow the lines out with compressed air. Take special note to if there is any water in the line near the pump. Those small clear caps on the water pump screen are notorious for cracking when freezing occurs.


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Dick_B

Palos Heights, IL USA

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Posted: 10/07/21 11:46am Link  |  Quote  |  Print  |  Notify Moderator

Don't know where the drain is on your rig but it should be right under the tank. Calls for someone to crawl under the rig and look up.
I vote for an empty FW tank. The pink stuff may be hard do totally get rid of next Spring.


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obgraham

TriCites WA

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Posted: 10/07/21 11:55am Link  |  Quote  |  Print  |  Notify Moderator

The question of what to leave in your tanks depends on how you winterize.

If you airblow the system till all water is out, don't leave anything in the FW tank. Nothing wrong with leaving a cup or two of antifreeze in the black tank, as it is hard to get water out of the bottom of that tank.

If you winterize via leaving pink stuff in the lines, then yes, leave a little pinky in the FW tank as well.

pianotuna

Regina, SK, Canada

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Posted: 10/07/21 12:42pm Link  |  Quote  |  Print  |  Notify Moderator

In my unit the drain is behind the driver's seat on the stub wall.


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Lwiddis

Near DVNP, California

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Posted: 10/07/21 01:42pm Link  |  Quote  |  Print  |  Notify Moderator

While you are underneath your MH searching for the drain, take a general look around. Bound to find something that needs attention. Don’t forget eye protection

* This post was edited 10/07/21 01:52pm by Lwiddis *


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DrewE

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Posted: 10/07/21 01:43pm Link  |  Quote  |  Print  |  Notify Moderator

While there's no real harm to having antifreeze in any of the tanks, if you drain them normally, there should be no need of keeping any antifreeze in them. Whatever miniscule amount of water remains on the bottom of the tank has plenty of room to expand as it freezes, and no fittings to fill and burst/split apart.

If you have any significant amount of water remaining in, say, the dump line between the tank and the dump valve, that could very well lead to trouble; but a quarter inch or whatever in the bottom of a tank is not a concern.





wa8yxm

Davison Michigan (East of Flint)

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Posted: 10/07/21 03:31pm Link  |  Quote  |  Print  |  Notify Moderator

Getting rid of anti freeze in the fresh tank can be a major pain in the anatomy.

Two places. UNDER the tank or in the side of the tank.. Mine was in the side behid an access panel (same one I opened when filling)

Now because it was NOT in the bottom it was a ton of fun getting the last couple of gallons out.. I ended up slipping a small vinyl tube about 5 feet long into the tank and siphoning the water out. It's easier than you might think.


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Dutch_12078

Winters south, summers north

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Posted: 10/07/21 08:22pm Link  |  Quote  |  Print  |  Notify Moderator

Back when I drained our tanks for the winter years ago, I used the leveling jacks on the off side to tilt the tanks towards the drains.


Dutch
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valhalla360

No paticular place.

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Posted: 10/08/21 03:51am Link  |  Quote  |  Print  |  Notify Moderator

There should be a plastic pipe coming down from the tank bottom. On most it's relatively small (1/2" pipe) Empty would be my preferred option.

If you don't drain it, you do want to put in antifreeze but it will take a good amount to dilute the water in the tank and then you will have to fill and drain several times in the spring to get the taste out.

Our current trailer has a really nice setup. They fit it from the factory with a 1.5inch blade valve (similar to the gray water drain but white and clearly labeled for fresh water use). A quick pull of the handle and the fresh water tank quickly drains with no tools needed.


Tammy & Mike
Ford F250 V10
2021 Gray Wolf
Gemini Catamaran 34'
Full Time spliting time between boat and RV


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