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Old 11-07-2017, 11:44 PM   #1
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Winterizing How to clear all the lines?

Just winterized the water lines in our Freelander 24QB. Used the adapter that fits on the intake side of the pump to suck antifreeze out of the jug and into the lines. Only took about 1-1/2 gal as I by-passed the hot water tank.

I am wondering about the line between the holding tank and the pump. How do I get antifreeze in that line?

Also the "city water" line. Does it have any low points or can I count on air to blow all the water out of that line?
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Old 11-08-2017, 12:23 AM   #2
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The line will gravity drain back into the tank if you break the vacuum on the line by disconnecting it from the fuel pump.
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Old 11-08-2017, 02:14 AM   #3
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To get AF in the city water hookup you need to remove the screen at the connection and push the stem on the check valve inside the connection while your pumping in the AF. Just be sure you stand to the side or you'll get a bath.
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Old 11-08-2017, 06:44 AM   #4
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To get AF in the city water hookup you need to remove the screen at the connection and push the stem on the check valve inside the connection while your pumping in the AF. Just be sure you stand to the side or you'll get a bath.
Don't do it under full pressure or you risk the chance of blowing the O-ring out of the valve. B.I.L. has done it several times, but luckily I found a way to reseat the O-ring when he's done it. I release some pressure until I can push stem with only a little effort. If you have two people, you can press the stem and hold it in while someone cycles the pump on/off a couple times.
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Old 11-08-2017, 10:31 AM   #5
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The line will gravity drain back into the tank if you break the vacuum on the line by disconnecting it from the fuel pump.
Hmmm...hopefully the water line is not connected to the fuel pump! I have never disconnected that line from my water pump and have never had an issue...have always been under the impression that line gravity feeds back to tank and self drains.
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Old 11-08-2017, 10:44 AM   #6
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Hmmm...hopefully the water line is not connected to the fuel pump! I have never disconnected that line from my water pump and have never had an issue...have always been under the impression that line gravity feeds back to tank and self drains.
... and typically it does... unless... the fresh tank is located HIGHER than the pump. Many models are built this way with the tank being under a bed or dinette and above the level of the pump.
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Old 11-08-2017, 10:48 AM   #7
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... and typically it does... unless... the fresh tank is located HIGHER than the pump. Many models are built this way with the tank being under a bed or dinette and above the level of the pump.
OK...good point...never thought of that as we have never had a trailer with that type of configuration.
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Old 11-08-2017, 11:03 AM   #8
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Originally Posted by Tireman9 View Post
Just winterized the water lines in our Freelander 24QB. Used the adapter that fits on the intake side of the pump to suck antifreeze out of the jug and into the lines. Only took about 1-1/2 gal as I by-passed the hot water tank.

I am wondering about the line between the holding tank and the pump. How do I get antifreeze in that line?

Also the "city water" line. Does it have any low points or can I count on air to blow all the water out of that line?
Tireman9,

To answer your question about the line from the fresh tank to the pump....
As I said above, typically that line drains back to the fresh tank unless the fresh tank is located above the level of the pump.

Many folks run the pump 'dry' after draining the fresh tank to 'hopefully' eradicate all the water from the suction line, the suction/strainer on the pump and the pump itself.

You can disconnect the line from the pump/suction strainer and blow back through to clear the line into the fresh tank where it will ultimately come out the tank drain.

Remember that side of the system is open ended (meaning it does not trap water under pressure) so even if there is a little water in the line it shouldn't hurt as it has room to expand.

The pump and the suction/strainer on the other hand, are different as both have the ability to freeze and bust and I've seen plenty that have. So if your tank is higher than your pump, make sure after you've winterized, that no water trickles back down into the pump chamber or the suction strainer.
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Old 11-08-2017, 11:35 AM   #9
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The pump appears to be bolted to the floor which is the level of the bottom of the freshwater tank.

You can see the attached picture FR couldn't be bothered to provide any clearance to allow me to get an air hose to the end of the water line when it is disconnected from the pump as the hose is squeezed under the drain pipe. Note the hose going up when it is behind the black drain pipe. Perfect location for water to collect in the water feed line. If they had allowed a few extra inches of water line I might have been able to pull it out so I could find an attachment to get an air line onto the hose end.


Thanks for the suggestions on the other line (city water line)
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Old 11-08-2017, 01:42 PM   #10
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i bought a brass fitting to screw into city fill. plug in air compressor. be sure to set at 30 psi. too much pressure will blow your water lines. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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