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Old 05-01-2016, 04:58 PM   #1
Junior Member
Join Date: May 2016
Posts: 2
Sanicon Smelly Hose

Just in case anyone might be interested. We just replaced the Sanicon 3" black hose with a section of 20 mil sewer hose bought at a RV supply store. The replacement hose slid over the fitting on the Sanicon unit and we used a "threaded" type of bayonet connection to attach to the coach's output tube. Had some trouble getting the hoses to seal at first without having a slight drip, but, got that fixed by smearing a liberal amount of plumbers pipe paste into the grooves inside the flex tubing and on the grooves of the plastic bayonet fitting and then re-clamped. Note that there is much more pressure inside the 3" tube between the outlet pipe and the Sanicon unit than just when the waste gravity drains directly to the dump hole. Obviously the Sanicon unit is blocking the flow. This may be why the original Sanicon hose is so bulky, so, don't use a flimsy replacement hose. Might not be good to be nearby should the hose split under the weight and pressure of 40 gallons of waste!

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Old 05-01-2016, 10:35 PM   #2
"Formerly Diplomat Don"
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Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 7,207
For whatever reason, SaniCon has been using a 3" hose between the drain and the SaniCon unit that is semi permeable and allows sewer odors to permeate the hose and stink up the bay.

I've had two SaniCon units, one on my previous coach and one on my new coach. On both, I changed the hose to a heavy duty hose made by Rhino.

SaniCon uses large rubber bands on their hose ends to seal the hose to the SaniCon unit and to the discharge end. It can be quite a workout to reinstall those rubber bands and make them seal correctly. Without them, the hose ends will leak.

Sealing Tip....Often at RV shows, there will be a booth selling "Rescue Tape". It's a silicone tape that seals to itself when wrapped around a hose or other object. The "Rescue Tape" works great as a gasket for the SaniCon, versus using the rubber bands. It doesn't slip when you install the hose.

At the last RV show, the "Rescue Tape" sales person showed how the "Rescue Tape" can be used for a cut on your finger. Wrap it around and it seals to itself, giving you a water tight band aid. Another good use in an emergency.

Don & Mary
2014 Newmar Dutch Star - All Electric - 450 ISL
2016 GMC Canyon 4WD Crew Cab
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Old 05-03-2016, 10:39 AM   #3
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Join Date: May 2016
Posts: 2
Thanks Don,
I did find some of the tape at a plumbing supply store. There it was called "Fusion Tape". I attempted to put some on the Sanicon fitting but without unsecuring the unit it was gong to be difficult. I then bought a bike tube for those really new big tires, like three inch tires, and cut a band from the tube. What I found was that the sewer hose I bought actually fit snugly over the fitting without a tub. so the tape and tube was not going to work out anyway. However, I quickly found out the tightening the clamp on the sewer hose caused a tear in the plastic, and therefore drip. Finally, using plumbers paste on the inside grooves of the sewer pipe and a couple of wraps of Duck tape on the outside of the sewer hose stopped the leak and the duck tape allowed the clamp to tighten without cutting through the plastic sewer hose. Now we will have to wait and see that it will continue to hold.
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