STOP RATS, SNAKES AND OTHER PESTS IN THEIR TRACKS WITH
The One-Way Drain Valve That Keeps Unwanted Guests Where They Belong – OUT.
Picture this…
You flush the toilet, walk away, and think nothing more of it.
But while you’re relaxing in your living room, there’s a hidden world beneath your feet. A world of twisting pipes, dark chambers, and movement. Something creeping… something clawing… something climbing
Rats, Snakes, Cockroaches
Sewer-born surprises no homeowner wants to meet.
Meet DrainMarine: Your First and Final Line of Defence
This is not just a valve. This is protection engineered with a purpose. The DrainMarine is a high-grade, one-way, non-return valve that fits snugly into your 4-inch (100mm) plastic or salt-glazed/clay drain pipe. It sits quietly at the exit channel of your inspection chamber, allowing waste to flush away effortlessly, but slamming shut the moment the flow ends.
No gaps
No second chances
No rodent re-entry
What You Need to Know
Want to know exactly where to install it? Just locate the last chamber before your drain meets the main sewer line. That’s your spot.
Designed for 4” (100mm) plastic or salt-glazed/clay pipework
Fitted at the pipe exit from inspection chamber to street sewer
Smart Drain Protection for Commercial & Hospital Kitchens
In high-demand environments like commercial and hospital kitchens, maintaining a clean, hygienic workspace starts below the surface. DrainMarine is a waterless, non-return flap designed to offer a practical solution for helping manage drain-related issues such as odours, gas seepage, and pest intrusion, without relying on harsh chemicals or complicated systems.
Engineered for compatibility with standard 4” (100mm) plastic and salt-glazed/clay floor drains, DrainMarine fits discreetly beneath floor grates and is simple to install during scheduled maintenance.
Ideal for food prep areas, washdown zones, and sterile service spaces where hygiene and safety are non-negotiable.
Explore how DrainMarine could support your kitchen’s hygiene goals.
Why Thousands Trust DrainMarine
Blocks rats, snakes, and all other pests
They can’t crawl up if they can get past Drainmarine.
Fits in Minutes
No plumber. No fuss. Just peace of mind.
Stops Backflow Instantly
Helps with foul sewer smells and prevents dirty water from flowing back into your business or home.
Affordable Barrier Solution
A small price to pay for priceless protection.
What Our Customers are Saying
Why Vermin Love Your Drains and What You Can Do About It?
Since the 1950s, modern drainage has connected homes more directly to street sewers. That’s convenient for us and for the rats, snakes and other pests. They navigate broken pipes, outdated joints, and neglected drains like a subway map.
From there? It’s just a short swim up the toilet.
“DrainMarine makes sure that their journey ends permanently.”
Ready to Take Back Control of Your Drains?
DrainMarine is ideal for households and businesses with multiple toilets. It fits directly onto your drain outlet with zero hassle.
No plumber needed. No vermin allowed.
Click below to protect your home and business with the DrainMarine now.
Instructions
Follow the 6 simple steps below to install your DrainMarine’s One-Way Drain Valve
STEP 1
Remove the drain cover. When fitting the valve, we recommend hosing or pouring one or two buckets of water down the catchment to remove any sewage left in the chamber before fitting.
STEP 2
Flush your toilet and take note of which way the flow of water travels, looking for the last outlet the water flows through.
STEP 3
Push DrainMarine into the pipe.
STEP 4
Push the valve into the pipe as far as it will go.
STEP 5
Now the DrainMarine is in place, gently push open the flap to ensure there is no resistance, and the flap closes when released.
STEP 6
Replace the drain manhole cover, and you are now protected!
Frequently Asked Questions
More Questions?
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