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04-22-2013, 08:30 AM
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#1
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Senior Member
Join Date: Aug 2011
Posts: 444
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Red drain hose
OK. I'm confused. We have a '13 3100. Under the unit are two drain hoses, one blue and one red (see attached pic). I understand the blue one. I don't get the red one. Logic would indicate a hot drain. But I thought the only way to drain hot was to remove the anode rod. Also, when I unscrewed the cap last night, pink antifreeze came out. I drained our water heater by removing the anode rod so know there is no pink in there. In fact, the only place I put pink was down the various drains. So what is the red line for, what's "upstream", and when should I unscrew the cap? Thanks!
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All previous rigs below are sold - waiting until the kids graduate to the buy the next one!
'13 Forest River Sunseeker 3100 Class C
'04 Fleetwood Sedona Pop Up / Reese Mini 350 / Prodigy / BAL
'94 Coleman Cedar Pop Up
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04-22-2013, 08:52 AM
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#2
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Senior Member
Join Date: Jan 2011
Posts: 2,106
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These are low point drains for the hot and cold water systems.
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Terry/Bernadette Lily the Yorkie 2019 Dodge Ram Sport 1500 2019 FR Vibe 28RL
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04-22-2013, 09:07 AM
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#3
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Senior Member
Join Date: Aug 2011
Posts: 444
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Agreed from a logic perspective but doesn't seem right based on what I did.
- I removed the anode rod from the water heater to drain it. I thought that was the only way to drain the water heater based on the owners manual & what I heard. I didn't know I could just unscrew the cap on the red drain.
- I then blew out all the lines (opened all the cold / hot taps in so doing).
- And then I put pink down the drains only (i.e., not in the fresh tank & the water heater was on bypass so don't know how pink could have gotten in a hot line).
Thanks!
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04-22-2013, 09:16 AM
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#4
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Senior Member
Join Date: Jul 2012
Posts: 1,258
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The factory tests the system I imagine, so they would have winterized it before shipping it out. That is probably where the pink came from.
As for draining the hot water tank, you remove the anode rod as you said. The pictured low-point drain is not for that purpose.
I don't think you have anything to worry about.
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04-22-2013, 09:17 AM
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#5
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,962
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Quote:
Originally Posted by paulmlac
OK. I'm confused. We have a '13 3100. Under the unit are two drain hoses, one blue and one red (see attached pic). I understand the blue one. I don't get the red one. Logic would indicate a hot drain. But I thought the only way to drain hot was to remove the anode rod. Also, when I unscrewed the cap last night, pink antifreeze came out. I drained our water heater by removing the anode rod so know there is no pink in there. In fact, the only place I put pink was down the various drains. So what is the red line for, what's "upstream", and when should I unscrew the cap? Thanks!
Attachment 28664
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Did you take the cap off of the blue/cold water line? I have a dark monitor here at the shop. but it appears there is no cap on it.
Your hot and cold low point drains will help get out the water that is in their respective lines......but not any water that would be trapped in any kind of reservoir (like a hot water heater or water filter and/or water pump).
As far as the pink, did you put any in the water pump or water filter when winterizing?
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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04-22-2013, 09:25 AM
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#6
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,962
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Quote:
Originally Posted by paulmlac
- And then I put pink down the drains only (i.e., not in the fresh tank & the water heater was on bypass so don't know how pink could have gotten in a hot line).
Thanks!
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When you set to bypass, you are tying the cold water line to the hot water line......just bypassing the water heater itself. Basically your hot water lines, just become all cold water lines this way.
Even when not bypassing the heater, you have the cold water line inputting to the heater...... whereas the heater heats the cold water, then outputs the heated water to the hot water lines. Anything upstream of the hot water heater in the cold water lines, could get drawn into the water heater, then pushed out into the hot water lines.
The whole purpose of the bypass, is to keep the antifreeze out of the heater (thus not needing to fill the water heater with it, which could be six gallons or more). All of your lines (hot and cold) are then filled with antifreeze.
That's why I asked if you may have put any antifreeze in the water pump or water filter.......cause antifreeze in either would end up in the hot water line.
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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04-22-2013, 12:08 PM
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#7
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Senior Member
Join Date: Feb 2012
Posts: 958
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Quote:
Originally Posted by paulmlac
Agreed from a logic perspective but doesn't seem right based on what I did.
- I removed the anode rod from the water heater to drain it. I thought that was the only way to drain the water heater based on the owners manual & what I heard. I didn't know I could just unscrew the cap on the red drain.
- I then blew out all the lines (opened all the cold / hot taps in so doing).
- And then I put pink down the drains only (i.e., not in the fresh tank & the water heater was on bypass so don't know how pink could have gotten in a hot line).
Thanks!
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You need to open the red cap to ensure all the water is drained from the hot water lines when you winterize. It may or may not drain the water heater as well. You should always remove the water heater drain plug/anode as well.
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04-22-2013, 05:20 PM
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#8
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Senior Member
Join Date: Dec 2011
Location: Collinsville, IL
Posts: 830
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Quote:
Originally Posted by wmtire
Did you take the cap off of the blue/cold water line? I have a dark monitor here at the shop. but it appears there is no cap on it.
Your hot and cold low point drains will help get out the water that is in their respective lines......but not any water that would be trapped in any kind of reservoir (like a hot water heater or water filter and/or water pump).
As far as the pink, did you put any in the water pump or water filter when winterizing?
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The cold water low point drain has a valve in the compartment where the water pump is, so it does not have a cap on it. The red (hot) has a cap.
__________________
2012 Forest River Sunseeker 2300 Chevy
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04-22-2013, 05:43 PM
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#9
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,962
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Quote:
Originally Posted by RvBill3
The cold water low point drain has a valve in the compartment where the water pump is, so it does not have a cap on it. The red (hot) has a cap.
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Good deal. Thanks for the info.
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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04-23-2013, 11:39 AM
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#10
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Member
Join Date: Oct 2012
Location: Rio Rancho, New Mexico
Posts: 37
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I have a 3170DS 2013, I only see a blue drain hose. I thought there was supposed to be a red one for hot water also. Am I missing something?
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04-23-2013, 02:20 PM
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#11
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Commercial Member
Join Date: Nov 2007
Location: Bristol, IN
Posts: 19,006
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Perhaps. Check the driver side area where the water filter is also. (behind the black ABS door). Could just be hiding.
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04-23-2013, 02:33 PM
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#12
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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A note:
You should never drain the hot water heater through the hot water pipes.
Always bypass first; then remove the anode. This keeps all the Calcium and Anode bits in the hot water tank where you can flush it out.
If you try to drain the hot water tank through the low point drain by opening the Pressure relief valve (or hot water tap) and letting it "glug" out, it will suck those bits into your plumbing.
When you de-winterize all that crap will be forced into your tap valves and even into your cold water lines. This could cause all kinds issues, like slow running taps and a toilet that won't flush.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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04-23-2013, 02:39 PM
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#13
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Commercial Member
Join Date: Nov 2007
Location: Bristol, IN
Posts: 19,006
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The voice of wisdom (said in TV announcer voice). I'll add that to my repertoire to make me sound smarter at RV shows.
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04-23-2013, 03:17 PM
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#14
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by bclemens
The voice of wisdom (said in TV announcer voice). I'll add that to my repertoire to make me sound smarter at RV shows.
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Don't ask how I know...
See my thread on repairing the Thetford Toilet for a hint.
http://www.forestriverforums.com/for...c-v-15261.html
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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04-23-2013, 03:21 PM
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#15
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by paulmlac
OK. I'm confused. We have a '13 3100. Under the unit are two drain hoses, one blue and one red (see attached pic). I understand the blue one. I don't get the red one. Logic would indicate a hot drain. But I thought the only way to drain hot was to remove the anode rod. Also, when I unscrewed the cap last night, pink antifreeze came out. I drained our water heater by removing the anode rod so know there is no pink in there. In fact, the only place I put pink was down the various drains. So what is the red line for, what's "upstream", and when should I unscrew the cap? Thanks!
Attachment 28664
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Interesting, the way my system is piped I also got red and blue on the bottom of the rig. Difference my blue line drops the FW tank and the red drains the piping system Hot and Cold are common in a few places so it will all drain as long as you open all the faucets. The hot water tank will always leave water behind because the taps for H and C are far above the bottom. You really should inspect the anode whenever you winterize anyway.
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04-23-2013, 06:22 PM
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#16
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Senior Member
Join Date: Dec 2011
Location: Collinsville, IL
Posts: 830
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Quote:
Originally Posted by herk7769
A note:
You should never drain the hot water heater through the hot water pipes.
Always bypass first; then remove the anode. This keeps all the Calcium and Anode bits in the hot water tank where you can flush it out.
If you try to drain the hot water tank through the low point drain by opening the Pressure relief valve (or hot water tap) and letting it "glug" out, it will suck those bits into your plumbing.
When you de-winterize all that crap will be forced into your tap valves and even into your cold water lines. This could cause all kinds issues, like slow running taps and a toilet that won't flush.
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Right on. Didn't mean to imply that was way to drain water heater. AFTER you bypass heater low point drain can be helpful to get rest of water out.
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2012 Forest River Sunseeker 2300 Chevy
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