|Item Weight||6.4 ounces|
|Product Dimensions||4 x 4 x 3 inches|
|Item model number||389381|
|Manufacturer Part Number||389381|
|Cover Included||siphon 360 white|
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Lippert Components 389381 White Roof Vent, (360 Siphon)
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|Sold By||Amazon.com||Amazon.com||Wholesale Industrial Supply||Amazon.com||Pro Plumbing Supply|
|Item Dimensions||4 x 4 x 3 in||7.6 x 6.2 x 3.9 in||6 x 6 x 2.75 in||6 x 3.75 x 6 in||6 x 6 x 2.5 in|
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The 360 Siphon RV holding tank vent cap eliminates odors from the source - the holding tanks - and exhausts them out the roof vent before they have a chance to invade the RV living space. By design, the patented 360 Siphon can only create an updraft, expelling odors and fostering an oxygen-rich environment to speed up waste breakdown. Breathe easier and enjoy a healthy, odor-free living environment with the 360 Siphon.
From the manufacturer
The 360 Siphon Roof Vent
The 360 Siphon RV holding tank vent cap eliminates odors from the source — the holding tanks — and exhausts them out the roof vent before they have a chance to invade the RV living space. By design, the patented 360 Siphon can only create an updraft, expelling odors and fostering an oxygen-rich environment to speed up waste breakdown. Breathe easier and enjoy a healthy, odor-free living environment with the 360 Siphon.
-Prevents odors and gasses from invading RV living space.
-Speeds up waste breakdown, eliminating the need for chemicals.
-Sophisticated, patented design with no moving parts.
-Made of strong polycarbonate.
-Easy installation and universal fit.
-Works in any wind condition.
-Available in black or white.
-Built-in bug screen.
Endorsed by the RV Doctor, Gary Bunzer
"Folks, this is the surefire way to eliminate all sewer odors inside your holding tank. It's designed so that a slight breeze or even when the coach is stationary, it will continue to draw out odors.
The 360 Siphon RV Odor Eliminator is one of the best ad-on products you can have for your RV."- Lippert Components INC, '360 Siphon - The RV Doctor.' YouTube.
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That said, in short there are 3 caveats one should know before purchasing 360 Siphons:
1. If your vent pipes are 1¼" (internal diameter), you will need to do some non-obvious creative plumbing;
2. If your vent pipes are too close together, you will need to be creative to do both grey and black vents;
3. You have no choice (that I know of) but to GLUE IT PERMANENTLY to your vent pipe, rendering it inaccessible for snaking and such maintenance.
Both my vent pipes are 1¼" (internal diameter) which the 360 Siphon cannot directly adapt to. It's only sleeved for 2" and 1½" vent pipes. Lippert's sparse included documentation mentions purchasing a 1¼"-to-2" ABS or PVC fitting "at any hardware store" in that case, but I dare anyone to find such a thing! (I looked online, including Amazon USA and Canada, Canadian Tire, Home Depot, Rona, Home Hardware, ACE Hardware, Lowes, etc.) The "simplest" solution for me, especially to keep the original vent's base intact, was to adapt 1¼"-to-1½", then the shortest length of 1½" possible, then the 360 Siphon. (See prototype in photo.)
To make matters even more interesting, my vent pipes are TOO CLOSE TOGETHER to upgrade grey and black water vents to 360 Siphons easily: the discs would intersect. Luckily because of the nature of my diameter work-around above, the solution here was simple: make one longer than the other by adding half an inch more to the 1½" pipe part. (Also shown in photo.)
While for my old motorhome the end result is acceptable, it is quite tall (almost as much as the vent cap you see pictured in the background) and wouldn't be that much shorter should I have removed the original bases.
I read the extremely concise and compact instructions about 10 times before I started. Installation is nothing like the YouTube videos. The most current model sold on Amazon and Lippert.com allows the modification of the old vent cap with the 360 vent, eliminating about half the work. However, the instructions are so brief and the parts are so 'versatile' that it takes a while to figure out which parts to use and how to fit them together. The biggest component is the distinctive outer cap and the other parts are adapters and a funnel. Fortunately I was familiar with my vent caps because I checked them last year for blockage, so I was able to determine that 'figure 3' matched my old vent caps giving me a head start on the ground to figuring out the installation.
On the roof I removed the old cap and then read the instructions another 10 times before I could completely understand what I was supposed to do. I wanted the vent to work right and didn't want to pass the 'point of no return' without being sure it could be installed correctly. The new vent is GLUED in place along with the usual lap sealant covering the base. Some of the parts that seem essential are actually OPTIONAL. Other pieces are obviously adapters for different sized vent pipes. After the third vent I was sure I was installing the cap correctly.
The biggest lesson I learned was that trimming the vent pipe is a big step in the old videos and this is no longer necessary. The install is easier if you have about 1.5 inches of pipe protruding from the old vent cap. Trimming the old pipe to less than 1 inch makes the install a little harder. If you have more than 2 inches you end up with a very ugly looking vent with a black pipe exposed between your white roof and lovely white 360 vent. After I prepared the old vent by cutting the legs, I put components together to check the fit and then reread the instructions (again) to clarify where the glue went and where the lap sealant went. The instructions should be much more extensive with better pictures and step-by-step instructions. There are multiple contingencies for pipe diameters and heights that are hard to decipher. It is hard to determine which components are needed, so a parts list and an explanation of what the parts are for would have been helpful.
I hope the glue holds up. I really would have preferred to have a few screws in the process to hold the components in place. Time will tell. If one of these comes off I will have to repeat the process, but I will improvise by adding a few screws through the side to hold it more securely. We are driving from New England to Arizona in December and I will be sure to check the vents on arrival and will update this review then. Maybe I'll also upgrade the review if everything holds up.
1. I can use my existing Vent housing and add the upgrade to the top(less than 2mins to install.
2. Completely remove old vent and install new (I choose this route)
It took me 45mins to remove old vent and all the silicone and putty. 10 to install new vent. It looks awesome, Solid, low profile and sealed. I highly recommend this vent and recommend completely remove old vent and install the 360 Siphon Gen2.