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MntGoat
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# Posted: 10 Sep 2017 07:56pm
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I will use my cabin in the winter and will need to drain the drain traps before leaving. Others in my area empty the drain traps and put r.v. antifreeze down the drain after to avoid sewer gases entering the cabin while away.
I thought about this a bit, and plan to put an inline valve above all my drain traps. I will pull the plug on the p trap and drain water, then shut the inline valve so no gas can enter the cabin. This will eliminate the need for r.v. antifreeze in all drains except the toilet.
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Steve961
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# Posted: 10 Sep 2017 08:19pm
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What you need is a HEPVO Waterless Trap. I have had two of these installed in my cabin going on 5 years now. No need to winterize the drains at the end of the summer, and trips to the cabin in the winter are easy since I don't have to remember to add antifreeze to the drains when I leave. I have also never had sewer gas back up into my cabin.
http://hepvo.com/
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MntGoat
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# Posted: 10 Sep 2017 08:54pm
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I looked into them did not want to roll the dice with something unconventional. My method requires no antifreeze or worry of cleaning a diaphragm should something plug the hepvo.
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ICC
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# Posted: 10 Sep 2017 10:16pm
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Quoting: MntGoat roll the dice
What dice roll? They do work. Water exits, sewer gas stays out. Nothing to freeze. Have a couple of them in use. One less thing to be concerned with.
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MntGoat
Member
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# Posted: 10 Sep 2017 10:40pm - Edited by: MntGoat
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Read my post and it will answer your question.
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MntGoat
Member
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# Posted: 10 Sep 2017 10:45pm
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Also this isn't a debate about the hepvo. If you want to use it fine, I am not and that's not what I created this thread for.
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snobdds
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# Posted: 10 Sep 2017 11:05pm
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A pea trap is designed to have water in it to prevent sewer gas back up. With no water, it's a vent. It needs antifreeze. I don't know how that will affect your septic, though.
That hepvo looks slick. Great option to have, non the less.
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MntGoat
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# Posted: 11 Sep 2017 06:50am - Edited by: MntGoat
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Please read my post again.
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Steve_S
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# Posted: 11 Sep 2017 07:07am
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RV Antifreeze, is NOT ethylene glycol (as used in cars) which is toxic, Propylene glycol (RV Type) is safe, non-toxic and will not harm a septic system. Simplest, least fuss and does not introduce more things than can foul up "pull the plug on the p trap and drain water, then shut the inline valve".
Never seen an In-Line valve for Waste Pipes, don't think a Backwater valve would do either, they need fluid.
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MntGoat
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# Posted: 11 Sep 2017 08:46am - Edited by: MntGoat
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You guys don't understand my first post or what?
I don't want to lug a bunch of antifreeze to camp i want it simple. I thought this was a great method to achieve that and wanted to share with others.
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snobdds
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# Posted: 11 Sep 2017 08:55am
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Quoting: MntGoat This will eliminate the need for r.v. antifreeze in all drains except the toilet.
This is your words from your first post...what are we missing the point on?
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toyota_mdt_tech
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# Posted: 11 Sep 2017 08:58am
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You have 3 options, the RV antifreeze, drain trap, leave it open to sewer gas or the hepvo set up.
It seems like the hepvo is the easiest if you dont want to do the RV anti freeze. I dont know how hard it would be to "lug" up a single gallon of anti freeze? But it must be harder than I thought.
I have never seen anyone ask a question, get the best possible options (answers) available and then bark at everyone for not coming up with the reply he wanted???
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SCSJeff
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# Posted: 11 Sep 2017 09:02am
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MntGoat,
Don't worry... I get it.
You're going to drain out the trap and turn a valve to prevent the sewer gasses coming back up. This way you don't have to worry about anti-freeze.
I like it. It would have been helpful for me a time or two when I forgot to pick up antifreeze and had to make a special trip back down the mountain just so I could close up.
Jeff
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MntGoat
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# Posted: 11 Sep 2017 09:11am
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Toyota- There was no question ever asked. Read my post, I explained my setup.
Jeff- thanks for understanding! I have enough stuff to bring up and I don't want to worry about bringing antifreeze, if the toilet is all that uses it I can bring a few gallons and forget it for the year. 3 other traps will use a lot of antifreeze.
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ICC
Member
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# Posted: 11 Sep 2017 09:54am
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I do not get it. Hepvo does not need antifreeze, no valve to turn, nothing to do at all. What could be simpler?
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Absolutely
Member
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# Posted: 11 Sep 2017 09:58am
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MntGoat, do you have photos or a link to the in-line valve you're using?
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Just
Member
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# Posted: 11 Sep 2017 10:15am - Edited by: Just
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I have never used more than 1 gal.for my 4 P traps + 1 toilet. never had any gas smell or freeze up . takes 1 cup for a P. trap and 1/2gal for the toilet. But your way will also work fine.You will just have a higher up front cost..I always put whats left in my jug in the back of the toilet ,I find it difficult to get the water all out .
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toyota_mdt_tech
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# Posted: 11 Sep 2017 10:45am
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Quoting: MntGoat Toyota- There was no question ever asked. Read my post, I explained my setup.
OK, that cool  If it works, more power to ya. 
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snobdds
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# Posted: 11 Sep 2017 11:11am
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So let me get this straight...
On three pea traps, your going to install a valve above the pea trap to prevent gas back flowing. Then each trip in the winter you will still have to disassemble each pea trap and drain out the water and reassemble and turn the valve. Then in the toilet you will just put in antifreeze.
I would just buy 2 gallons of antifreeze and make one trip to the truck in the summer and carry them in and put them under the sink in preparation for the winter. The just use as needed in each pea trap and not bother with a valve or disassembling each trap each time.
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MntGoat
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# Posted: 11 Sep 2017 11:20am
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Maybe what you guy's are missing is that I use the cabin every weekend during the winter and use the water........ that would be a lot of antifreeze in a winter.
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MntGoat
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# Posted: 11 Sep 2017 11:21am
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Quoting: ICC I do not get it. Hepvo does not need antifreeze, no valve to turn, nothing to do at all. What could be simpler?
I can't get a straight answer from the inspector if this is approved in my area. I am building to code.
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snobdds
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# Posted: 11 Sep 2017 11:25am
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Quoting: MntGoat Maybe what you guy's are missing is that I use the cabin every weekend during the winter and use the water........ that would be a lot of antifreeze in a winter.
That would also be a lot of plumbing work each trip...I hate plumbing so I would just dump antifreeze. But that's just me...
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MntGoat
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# Posted: 11 Sep 2017 11:26am
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This is the valve:
http://www.homedepot.com/p/Homewerks-Worldwide-2-in-PVC-Sch-40-Slip-x-Slip-Ball-Valve -VBVP40E8B/202369989
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MntGoat
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# Posted: 11 Sep 2017 11:28am - Edited by: MntGoat
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Quoting: snobdds That would also be a lot of plumbing work each trip...I hate plumbing so I would just dump antifreeze. But that's just me...
That would be a lot of antifreeze each weekend.
I can have the traps drained and valves turned in under 1 minute each.... maybe you didn't know this------- but they make p traps with drains in the bottom...... http://www.homedepot.com/p/1-1-2-in-PVC-DWV-Hub-x-Hub-x-Cleanout-P-Trap-C4884HD112/10 0344828
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ICC
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# Posted: 11 Sep 2017 06:41pm
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Quoting: MntGoat Quoting: ICC I do not get it. Hepvo does not need antifreeze, no valve to turn, nothing to do at all. What could be simpler? I can't get a straight answer from the inspector if this is approved in my area. I am building to code.
Code!! That changes everything. You should have said. You realize you are generally the odd man out on this here forum. Most everything I see is built avoiding codes it seems.  I build to code if it's applicable. AFAIK the Hepvo is not approved under any US building or residential code; probably none in Canada either. I believe the RVIA approves them for RV's. But there are always more then one way to skin a cat.
I built to code when we built the present home. I also did the plumbing in a manner that made it easy to replace all the p-traps, including shower and tub drains, with Hepvo's after the final inspection. The fact that all the habitable space floors were open to the ground floor below made that easy. Some of the drains that were in close proximity were fed together to a single Hepvo installed vertically in a wall cavity before hitting the main sewer line to the septic. They have worked flawlessly for years.
And yeah, servicing the traps every weekend would use up a fair amount of RV antifreeze, more than the average person who may winterize once a year, maybe twice if they have time at Christmas.
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toyota_mdt_tech
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# Posted: 11 Sep 2017 08:52pm
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Quoting: MntGoat I can't get a straight answer from the inspector if this is approved in my area. I am building to code.
I'd install it, I bet it passes with flying colors. I bet they wont even look to be honest.
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ICC
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# Posted: 11 Sep 2017 09:22pm
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My local inspector would catch it. The inspector we had when we built about 6 years ago was shown the literature, did what checking he did and turned it down. All the while there are thousands upon thousands of these in approved use in Europe. Sometimes we in the US are too slow to accept new things. In part I believe that is more prevalent when it is something that did not originate in the US.
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MntGoat
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# Posted: 11 Sep 2017 10:55pm - Edited by: MntGoat
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Quoting: toyota_mdt_tech OK, that cool If it works, more power to ya.
It works and is another option for folks.
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MntGoat
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# Posted: 11 Sep 2017 10:57pm - Edited by: MntGoat
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Code enforcement here has been very very difficult. Lots of amnesia about the inspections that have been done and payments made. And an offer or two to let things slide for double payment of inspection fees. I'm doing things to code.
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SE Ohio
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# Posted: 12 Sep 2017 06:23am
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I use a rubber P trap. No effort required after initial installation. No valve, no draining, no antifreeze. Good for us lazy and forgetful types! Covered in another thread.
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