Low Point Drain Tubes-R177 HRE |
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Kingskerswell
Senior Member Joined: 02 Oct 2018 Location: Kelowna BC Status: Offline Points: 141 |
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Posted: 31 May 2019 at 8:24pm |
Does anyone know why we have thes two drain tubes sticking out below the trailer near the wheel housing on the LHS. Do they serve any real benefit? I have never had them on any previous trailer and all it seems to do is add another operation when winterizing as the vertical lines fill with water and need to be opened for draining/antifreeze flushing. I cannot see these two lines when opened up being able to completely drain the entire system. Am I on the wrong track or am I missing something?
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Marwayne
Senior Member Joined: 18 Oct 2010 Location: Alberta Status: Offline Points: 218 |
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They are low point drains, when you open them you also have to open the faucets flush toilet and shower, it lets air in the lines so most of the water is able to drain.
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If you want something done right, do it yourself!
2011 RP172, 2016 Tundra Limited 5.7 Litre |
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Kingskerswell
Senior Member Joined: 02 Oct 2018 Location: Kelowna BC Status: Offline Points: 141 |
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Thanks for your input. So, if I am reading this correctly with these low point drains winterizing becomes a two step process;
1) open taps and crawl under trailer to remove drain plugs, drain water and replace plugs. 2) switch to bypass mode on HWT, attach suction hose to pump input and and feed plumbing antifreeze through all lines until seen at all faucets/shower head/toilet valve (and fill traps) It just seems to me that these low point drains add no real value, particularly as they act as low point reservoirs for water accumulation which means they have to be opened to remove water to allow proper migration of plumbing antifreeze...Just curious
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Marwayne
Senior Member Joined: 18 Oct 2010 Location: Alberta Status: Offline Points: 218 |
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If you want something done right, do it yourself!
2011 RP172, 2016 Tundra Limited 5.7 Litre |
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Kingskerswell
Senior Member Joined: 02 Oct 2018 Location: Kelowna BC Status: Offline Points: 141 |
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Thanks for info and pic. Just so I understand correctly I presume you are still sucking the pink directly via the pump inside the trailer?
Our RP177 has vertical lines that drop down from under the sink area so I will either add proper valves or just simply remove the lines if I can convince myself that they are of no real value.
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Kingskerswell
Senior Member Joined: 02 Oct 2018 Location: Kelowna BC Status: Offline Points: 141 |
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Well, earlier in the year I finally decided to take up Marwayne's suggestion and add extenders and 1/4 turn shut offs to the low point drains so I don't have to grovel underneath in the fall. This also compliments a similar mod done earlier on the fresh water tank outlet. Not sure if anyone is really interested as I don't see many questions or comments on this site these days, but what the heck just in case someone finds some interest in this, here goes, pictures included.
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