Dry flush sealing toilets
Best Dry Flush Toilet for Off-Grid Living
Experience next-level hygiene with the world’s first urine-diverting dry flush toilet. Clean, waterless, and odour-free. No chemicals, no wasted water, no mess.
Dry flush sealing
S1 Dry Flush Sealing Toilet
£1,500.00Push a button and each #2 is heat-sealed in its own bag. No composting, no layering, no process.
Dry flush sealing
S1 Dry Flush Sealing Toilet 12V
£1,500.00The S1: Push a button. Each #2 is sealed in its own bag. Traditional dry flush toilets just mix everything together and hope for the best. The S1 doesn’t.
Dry flush sealing
S1 Dry Flush Adapter Kit
£850.00You can convert your Cuddy or Cuddy Lite toilet into a dry flush toilet with our S1 Dry Flush Adapter Kit.
Why Choose the S1 Dry Flush Toilet from CompoCloset?
Truly waterless and chemical-free
Perfect for vanlife, cabins, boats, tiny homes and more.
Seals solids instantly
With the push of a button. No smells, no fuss.
Urine-diverting design
Less bagging: urine goes to the urine bottle, so you only bag #2s.
Portable and easy to maintain
With a compact footprint and low-profile design.
Eco-friendlier option
Skip the chemical goo and avoid water waste.
What Makes the S1 Dry Flush Sealing Toilet Special?
Who Can Use Dry Flush Toilets?
Dry flush toilets like our S1 Dry Flush Sealing Toilet are perfect for RVs, vanlife, cabins, boats, tiny homes, and more.
They’re designed to be easy to use, easy to clean, and completely water-free, with mechanical sealing mechanisms that lock away solids instantly and keep odours at bay, especially thanks to the urine diversion system that separates liquids from solids
But I already have a Cuddy or Cuddy Lite!
We have good news! You can convert your Cuddy or Cuddy Lite toilet into a dry flush toilet with our S1 Dry Flush Adapter Kit.
Our plug-and-play kit comes with an S1 sealing mechanism, solids bin, battery pack, control panel with housing, power connector, and power cable (adapter not included).
What Is a Dry Flush Toilet?
A dry flush toilet is a type of portable toilet that operates without water, chemicals, or composting.
Instead of using water to flush and move contents to a holding tank, it uses a dry system like a bagging or sealing mechanism to encapsulate and isolate waste immediately after use.
Key Characteristics of Dry Flush Toilets:
- No water or plumbing required
- No composting process
- No chemicals or blue goo
- Odourless sealing system
- Low maintenance
Our S1 Dry Flush Sealing Toilet is a perfect example of a true dry flush toilet. It’s portable, eco-friendly, and ideal for off-grid living.
The Two Types of Dry Flush Toilets
Not all dry flush toilets work the same way. Broadly, there are two main types:
Twist Style Dry Flush Toilets
Twisting-style dry flush toilets use a continuous liner inside a cartridge. Each time you flush, the liner twists and wraps the waste to contain odours.
It’s a simple and effective system, but because the liner is one continuous piece, you can’t empty it mid-use. Even if you’ve only gone a few times, you’ll need to remove the entire cartridge when it’s time to empty—making it less flexible and more wasteful than other systems.
These toilets also require a gelling powder or coagulant to gel liquids, since they don’t separate urine from solids.
Sealing Dry Flush Toilets
Heat-sealing systems use a powered mechanism to seal each use into an individual hygienic package. Each flush creates a separate, odour-free pouch that can be removed independently - so you can empty it at any time without wasting unused liner material.
Like twisting dry flush toilets, most heat-sealing designs are intended for both liquids and solids together, meaning they also require a gelling powder to solidify urine before sealing.
What Makes the S1 Dry Flush Toilet Stand Out
The S1 isn’t just another dry flush toilet. It’s the first to combine push-button sealing with urine diversion, keeping things cleaner, drier, and smell-free.
Unlike other systems that rely on harsh chemical powders to mask moisture and odour, the S1 needs none of it. No powders, no chemicals, no guesswork. Our built-in separation and sealing system locks solids in an odour-proof liner. No mixing, no mess, and nothing extra to pack.
Cleaner. Simpler. Smarter.
And it comes two ways: as the S1 12V, which has no battery and runs straight off your rig’s 12V system, or with its own battery.
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FAQ
Dry Flush FAQs
Do dry flush toilets smell?
Not if they’re well designed—like the S1. Sealing or separating mechanisms prevent odours from escaping.
Can I use a dry flush toilet in a van or RV?
Absolutely! The S1 was practically made for it. It’s compact, portable, and doesn’t need hookups.
Is a dry flush toilet the same as a composting toilet?
No. Dry flush = sealing toilet that seals waste for disposal. Composting = begins breakdown but needs time to become compost.
Are dry flush toilets legal?
Yes, but always check local disposal rules, especially for bagged matter.
Time to 💩 or get off the pot
Ready For A Simple, Clean, Odour-free Toilet Experience?
If you’re dreaming of a bathroom setup that’s clean, odour-free, and totally independent from plumbing or power grids, a dry flush toilet might just be your perfect throne.
Pick the S1 12V that wires into your rig, or the S1 with its own battery.
2-year warranty · free UK shipping on orders over £150
