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1. Long life: Raritan SANI/FLEX has a special white butyl rubber compound, to stop sewage odor from escaping the hose. It is 15 times more resistant to odor permeation than standard PVC hose, and carries a 5 year warranty against odor permeation
2. Ease of installation: Sani/Flex hose is extremely flexible. It will bend on a radius of 3.15″ without kinking. It can easily be installed on standard hose barb fittings without excessive effort, with no need to heat or lubricate the hose. These are major benefits for all installation mechanics who have spent long, difficult periods of time wrestling with other brands of sanitation hose
3. Strength against collapsing and pressure: Sani/Flex hose is reinforced. It contains a double steel wire helix reinforcement imbedded in the butyl rubber, plus a synthetic textile yarn, to resist bursting from high pressure and/or clogs at fittings. It is rated for 315 PSI burst pressure. It is also extremely resistant to collapsing from pump suction and/or vacuum applications
4. Handling and use: Sani/Flex hose is abrasion and chemical-resistant. It has an outer-wrap of smooth rubber imbedded fabric to resist abrasion, ozone, seawater and common chemicals. An antibacterial additive has also been added to the outer wrap, to further reduce chances for odor-permeation

Tech tips:

Permeation test

If you suspect hose permeation may be the source of your odor issue, we suggest this simple test:  Dampen a cloth in hot water (as hot as you can safely handle).  Wrap the cloth around the suspected hose and let it cool.  Remove and sniff the cloth.  If the odor transfers to the cloth, the hoses are permeated and should be replaced.  Be sure to check all hose connections…just because one passes the test doesn’t mean other will – especially those that have the potential to trap waste.

Marine Sanitation Hose Replacement Do’s and Don’ts

Do plan out your hose routing carefully.  The leading cause of hose permeation is waste that is left to collect in sections of the discharge plumbing line.  Avoid any unnecessary rises or sags in the plumbing line and let gravity drain the hose as much as possible. Yes, we know… it’s a boat so when this simply isn’t possible we suggest you flush the head several times before you leave.  Replacing the effluent with only water will reduce permeation possibility significantly.

Don’t use heat or lubricants to assist in your installation. SANI/FLEX is designed so those extra steps are unnecessary.  Its smooth interior makes barbed hose connections very easy to work with and its ability to bend on a 3 1/2” radius makes it the most flexible sanitation hose on the market.

Do make sure to use high quality stainless steel hose clamps on all hose adapters. Using fasteners that can break or corrode can lead to sewage leakage or worse – catastrophic flooding.

Do not take any shortcuts!  Make sure all connections below the waterline and double clamped!

You're confusing two separate problems, Cantata...intake odor, and permeated hoses.

Intake odor is caused by trapped stagnant sea water IN the inlet hose when the boat sits for a while. It's usually confined to the head, goes away when cleared out by the first few flushes...it can permeate the intake hose, but rarely does.

The hoses that become permeated with odor are those that carry sewage--the head and tank discharge hoses, and sometimes the tank vent hose. That odor can permeate the whole boat and does NOT go way with a few flushes because the hose has soaked the waste that produces the odor. The only cure is new hoses.

However, wet dirty sumps and bilges can also make a boat smell like a sewer...I've heard from many people who've replaced their entire sanitation systems to get rid of what they thought was "head" odor...when all they really needed to do was clean--really CLEAN, and flush all the dirty water out--their sumps and bilges.

To know whether a hose has become permeated with odor, wet a clean rag in hot water...wring it out and wrap it around a low section of the hose...let it reman till it cools, then remove it and smell it. If you can smell the same odor on the rag, that hose has become permeated with odor...if you can't, it's fine. Test every section of every hose, using a clean rag for each.

<hr width=100% size=1>Peggie Hall
Specializing in marine sanitation since 1987

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