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07-12-2016, 08:09 AM
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#1
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Winterizing DX3
I know this seems like an odd time to be thinking about this, but here goes:
What's the expected hookup point for antifreeze on the DX3?
In the spring when I got caught with a cold snap I disconnected the hose from the tank and let the pump pull out of a bucket but there's got to be an easier way than disassembling the bed every time.
Currently thinking about adding a 3 way valve and a hose under there that could be accessed from the panel under the W/D. Also wondering if there's a way to get a hose/valve down into the wet bay and keep the anti freeze out of the bedroom altogether.
Thoughts?
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2016 Dynamax DX3 - Big Blue
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07-12-2016, 09:31 AM
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#2
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Commercial Member
Join Date: Nov 2007
Location: Bristol, IN
Posts: 18,878
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that is the expected hook up point. For whatever reason, we get little to no complaints about the winterizing process. Maybe the truck owners are just more resourceful, aren't winterizing or have someone else do it. On small class C's people complained all the time so we have a 3 way valve with "take up" tube.
I hope to add a similar set up going forward on the trucks. Our small C's have an Anderson valve, which handles city water, tank fill and winterizing.
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07-12-2016, 10:00 AM
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#3
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Roger that. Easy enough to work out a take up tube somewhere.
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2016 Dynamax DX3 - Big Blue
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10-25-2016, 08:33 AM
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#4
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Going to resurrect this one as the time to do the deed is quickly approaching. Still haven't decided on exactly my route but wanted to get some more input:
1. Thinking about just using an external pump to pump outside through the city water hose. Pros are this will be super easy and also cover the hose and the filter enclosure. Con is I cant think of a way to get the hose to the pump or the pump winterized without filling the fresh tank.
2. Would be as mentioned above, but the act of getting 5 gal antifreeze under/near the bed is not one I'm crazy about. Thinking about either putting the valve under the W/D and dropping the tube to the wet bay or just running a hose down to the wet bay and put the valve there. Is there a layout that would allow me to use the city water hose coming up but add a valve before the pump (ie use the pump to pull city water)? I'm having trouble visualizing that schematic though.
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2016 Dynamax DX3 - Big Blue
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10-27-2016, 02:36 PM
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#5
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Senior Member
Join Date: Dec 2012
Location: Tennessee
Posts: 859
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I use an external water pump and 12v to run it. Suction hose side in pink gallon of antifreeze output side to rv water hose. I bypass filtration system before turning pump on. Also shut off ice maker/water in refrigerator line located under refrigerator. Bypass water heater and drain. Turn pump on open faucets, flush toilets, shower lines and so on.. till pink appears. Takes about 2 1/2 gallons. Done 30 min.
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Slim, RVing 30 plus years
2015 Dynamax DX3 37 RB
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10-27-2016, 02:39 PM
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#6
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Senior Member
Join Date: Dec 2012
Location: Tennessee
Posts: 859
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I usuall use compressed air first to blow lines out and run internal water pump to expell water. Forgot to mention this is my first step
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Slim, RVing 30 plus years
2015 Dynamax DX3 37 RB
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10-27-2016, 02:45 PM
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#7
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Ok yeah that sounds about like my plan as it stands
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2016 Dynamax DX3 - Big Blue
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10-27-2016, 03:25 PM
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#8
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Commercial Member
Join Date: Nov 2007
Location: Bristol, IN
Posts: 18,878
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Out of curiosity, what are you guys doing for the Washing machine?
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10-27-2016, 03:35 PM
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#9
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Tbh havent run the washer or the ice maker yet so was just going to go with air
Very good consideration though!
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2016 Dynamax DX3 - Big Blue
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10-27-2016, 03:40 PM
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#10
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Commercial Member
Join Date: Nov 2007
Location: Bristol, IN
Posts: 18,878
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I actually chastised myself after posting that...and went to read the manual. there is a step in there. Says to put some RV antifreeze in the drum and run a Spin/drain cycle.
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10-27-2016, 03:43 PM
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#11
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Haha maybe I should read the manual too then. That makes sense. stuff will flush out easy enough on the first cycle after that.
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2016 Dynamax DX3 - Big Blue
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10-30-2016, 11:52 AM
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#12
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Senior Member
Join Date: May 2016
Posts: 246
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I put a three-way valve on the intake side of my water pump which was underneath the washer and dryer. Super easy to get to but, because of the way the line was crimped on I had to spin the pump off instead of just unscrewing the line. I'm in to this thing for 9 gallons so far. Anyone know how many gallons it takes to pressurize the system? Back to the RV store for more antifreeze.
Newbie
19 States
2016 Dynamax Force HD
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10-30-2016, 03:54 PM
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#13
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Senior Member
Join Date: Dec 2012
Location: Tennessee
Posts: 859
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9 gallons... no way somethings wrong... everything bypassed?
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Slim, RVing 30 plus years
2015 Dynamax DX3 37 RB
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10-30-2016, 03:54 PM
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#14
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Senior Member
Join Date: Dec 2012
Location: Tennessee
Posts: 859
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Did you bypass water heater?
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Slim, RVing 30 plus years
2015 Dynamax DX3 37 RB
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10-30-2016, 04:15 PM
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#15
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Senior Member
Join Date: May 2016
Posts: 246
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No.................... I forgot to shut off the low point drain 🙄
Newbie
19 States
2016 Dynamax Force HD
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10-31-2016, 07:25 PM
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#16
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Senior Member
Join Date: Oct 2016
Posts: 596
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I did the same thing sort of, I cut the line coming out of the tank and put a valve a tee and tied back into the pump. From the tee I put a valve and then ran cpvc down through the floor into the wet bay with a hose connection. By opening and closing the valves I can pull from the tank or the hose in the wet bay (no antifreeze in the rig). I could also use the hose and run to an auxiliary water tank if dry camping.
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11-01-2016, 08:31 AM
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#17
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Yeah I think that's the end goal for me as well. Just going to have to add it to the project list I guess. This year I think I'll just pump externally through the city water connection and see how that goes.
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2016 Dynamax DX3 - Big Blue
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11-14-2016, 03:52 PM
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#18
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Hmmmm I'm not seeing a water line to the ice maker? Am I missing something? Then again this could be why it never made any ice...
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11-14-2016, 04:47 PM
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#19
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Member
Join Date: Apr 2016
Posts: 49
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Quote:
Originally Posted by FOURWHL
Hmmmm I'm not seeing a water line to the ice maker? Am I missing something? Then again this could be why it never made any ice...
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On my DX3, the line to the ice maker has a valve behind/underneath the drawers to the left of the fridge. If you pull out the drawers, you will see the valve. I'm guessing yours has always been turned off if the ice maker doesn't work.
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11-14-2016, 06:36 PM
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#20
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Senior Member
Join Date: Mar 2016
Posts: 2,990
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Hmm ok I'll check. I imagine it's turned off too. Just thought it'd be under the fridge.
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2016 Dynamax DX3 - Big Blue
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