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03-30-2021, 07:49 PM
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#1
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Senior Member
Join Date: Jun 2020
Posts: 190
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Low point drain caps dripping
We took out our trailer for the first time this year. Noticed dripping coming from low water drain caps. Hand tightened even more. Leak stopped and then noticed 3rd morning leaking again. After driving it home noticed once again they were wet. I take it these stupid screw on caps are pretty much worthless. Anyone experience this and was your fix installing ball valves/Teflon tape to the cold and hot low point drains?
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2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 07:58 PM
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#2
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Senior Member
Join Date: Jan 2011
Location: Part Timing It Now
Posts: 3,449
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Are you sure there aren't shut off valves already hidden someplace....perhaps behind a panel? I can't believe it came with just caps! You're going to get drenched taking the caps off of pressurized lines.
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"PT Crew Members Since 9/2010"
2011 RAM 2500 HD 6.7L CTD Crew
2014 Prime Time Sanibel 3250
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03-30-2021, 07:59 PM
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#3
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,475
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Quote:
Originally Posted by RobRockz
We took out our trailer for the first time this year. Noticed dripping coming from low water drain caps. Hand tightened even more. Leak stopped and then noticed 3rd morning leaking again. After driving it home noticed once again they were wet. I take it these stupid screw on caps are pretty much worthless. Anyone experience this and was your fix installing ball valves/Teflon tape to the cold and hot low point drains?
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I've seen dripping from these and found the rubber seal/washer to be missing... as if it fell on the ground the last time the cap was removed.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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03-30-2021, 08:01 PM
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#4
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,475
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Quote:
Originally Posted by rracer5
Are you sure there aren't shut off valves already hidden someplace....perhaps behind a panel? I can't believe it came with just caps! You're going to get drenched taking the caps off of pressurized lines.
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My Wildcat came with only screw on caps. I have never removed the caps while the lines were pressurized. Why would you?
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2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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03-30-2021, 08:01 PM
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#5
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Member
Join Date: Nov 2018
Posts: 35
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Replaced our caps with threaded ball valves but was disappointed to see a leak on the cold side. Took the valve off and used Teflon tape and so far so good. Plus having the valves makes it easier when it comes time to winterize.
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03-30-2021, 08:04 PM
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#6
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Senior Member
Join Date: Dec 2014
Location: Burlington, ON
Posts: 746
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Low point drain caps dripping
I lost a washer on mine the first time out, and couldn’t find a replacement for the white, cone shaped one. I brought the cap to Home Depot and found a plain black washer that fit and it works fine.
Yes, a lot of people put valves in these. I haven’t found one easy enough to turn at the awkward angle.
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Carmen and the pack
2015 Coachmen Clipper 17BH
2017 Dodge Durango Citadel 5.7 Hemi
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03-30-2021, 08:09 PM
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#7
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by rracer5
Are you sure there aren't shut off valves already hidden someplace....perhaps behind a panel? I can't believe it came with just caps! You're going to get drenched taking the caps off of pressurized lines.
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Yeah I am sure. They are caps for the low water drains
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 08:10 PM
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#8
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by Mr. Dan
My Wildcat came with only screw on caps. I have never removed the caps while the lines were pressurized. Why would you?
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I removed them when I winterize my trailer. I do it every year.
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 08:11 PM
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#9
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by Fluffywhitedogs
I lost a washer on mine the first time out, and couldn’t find a replacement for the white, cone shaped one. I brought the cap to Home Depot and found a plain black washer that fit and it works fine.
Yes, a lot of people put valves in these. I haven’t found one easy enough to turn at the awkward angle.
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I may have inadvertently lost the washers while winterizing last fall. I will have to check tomorrow see if the washers are even in the caps
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2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 08:12 PM
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#10
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Senior Member
Join Date: Jan 2011
Location: Part Timing It Now
Posts: 3,449
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Quote:
Originally Posted by RobRockz
I may have inadvertently lost the washers while winterizing last fall. I will have to check tomorrow see if the washers are even in the caps
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"PT Crew Members Since 9/2010"
2011 RAM 2500 HD 6.7L CTD Crew
2014 Prime Time Sanibel 3250
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03-30-2021, 08:14 PM
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#11
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by rracer5
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How tight did ya have to go on these drain caps?
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2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 08:38 PM
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#12
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,475
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Quote:
Originally Posted by RobRockz
I removed them when I winterize my trailer. I do it every year.
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But surely you don’t remove them while the lines are still pressurized.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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03-30-2021, 08:42 PM
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#13
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by Mr. Dan
But surely you don’t remove them while the lines are still pressurized.
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No why would I? I removed them this past November to drain water while winterizing. Took the trailer out for the first time this year and noticed the caps were dripping.
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 08:46 PM
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#14
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,475
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Quote:
Originally Posted by RobRockz
No why would I? I removed them this past November to drain water while winterizing. Took the trailer out for the first time this year and noticed the caps were dripping.
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You quoted my post where I said “I have never removed the caps while the lines were pressurized”. I guess that confused me.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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03-30-2021, 08:48 PM
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#15
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by Mr. Dan
You quoted my post where I said “I have never removed the caps while the lines were pressurized”. I guess that confused me.
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That was someone else in the thread that posted that [emoji23][emoji6]
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-30-2021, 09:15 PM
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#16
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Senior Member
Join Date: Aug 2019
Location: Ankeny, Iowa
Posts: 175
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Yes I have had the lines leak, tightened them down no issues rest of the season. When I winterized I replaced with valves, I thought the caps we a PIA and the washers were hard to keep in when taking off. Bought the valves at Home Depot. Threaded on easily.
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2020 Flagstaff 26FKBS
2020 Ram Tradesman 2500 6.4 Hemi
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03-31-2021, 04:33 AM
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#17
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by Csbadvisor
Yes I have had the lines leak, tightened them down no issues rest of the season. When I winterized I replaced with valves, I thought the caps we a PIA and the washers were hard to keep in when taking off. Bought the valves at Home Depot. Threaded on easily.
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[emoji106]
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-31-2021, 07:18 AM
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#18
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Brake is on left
Join Date: Jul 2019
Location: USA
Posts: 1,095
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Quote:
Originally Posted by RobRockz
We took out our trailer for the first time this year. Noticed dripping coming from low water drain caps. Hand tightened even more. Leak stopped and then noticed 3rd morning leaking again. After driving it home noticed once again they were wet. I take it these stupid screw on caps are pretty much worthless. Anyone experience this and was your fix installing ball valves/Teflon tape to the cold and hot low point drains?
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You probably lost the seal. Or, it's no longer pliable. You can pick up a fistful from your local plumbing shop for the price of a coffee.
https://www.supplyhouse.com/Viega-43721-VIEGA-1-2-PureFlow-Cone-Seal?gclid=EAIaIQobChMIg5nhr8Ha7wIVS_HACh12HwB2EAQ YASABEgK4bfD_BwE
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03-31-2021, 07:21 AM
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#19
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Senior Member
Join Date: Jun 2020
Posts: 190
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Quote:
Originally Posted by The Evil Twin
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That is most likely the case. Will be heading to where my Trailer is parked after work to take care of this. I think I am just going to install the pvc ball valves on it.
__________________
2019 Ram Big Horn 6.7 Cummins
2020 Rockwood Ultra Lite 2304DS
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03-31-2021, 07:39 AM
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#20
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Senior Member
Join Date: Jun 2015
Location: Payson, AZ
Posts: 3,859
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i lost one of the cone washers once and the cap leaked. take the caps off and ensure that you have a cone washer on each drain. it is the cone washer that makes the seal. no need to use teflon tape and you really only have to get the cap on hand snug. not need to torque it down.
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2015 dodge ram 3500 dually
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