Vulcan — The Science of Scale-Free Water ⬡ Electronic Anti-Scale Technology · Made in GermanyThe science of water
without limescale.For hotels, restaurants, hospitals and high-demand facilities — Vulcan stops scale physically, with no salt, no chemicals and no maintenance. Understand how it works before you decide.
1948Founded in Berlin70+Countries Worldwide25-yrInternational Warranty0Salt · Chemicals · Maintenance
Blocked Piping Limescale and rust narrow pipe walls, restricting flow and driving up pressure loss.
Degraded Heating Elements Scale-coated elements consume up to 40% more energy and fail years ahead of schedule.
Fouled Heat Exchangers Scale deposits on heat exchanger coils drastically cut thermal transfer efficiency.
Bacterial Growth Risk The porous surface of limescale harbours harmful bacteria including Legionella.The Hidden Cost of Hard WaterScale is quietly costing you every single day.
In any facility that moves a lot of water, limescale builds silently inside pipes and equipment — until efficiency drops, bills climb, and machines fail early.
- ✕Energy wasteJust 1 mm of scale on a heating element can add roughly 10% to energy use.
- ✕Shorter equipment lifeBoilers, dishwashers, steamers and coffee machines fail years ahead of schedule.
- ✕Hygiene & guest experienceScaled shower heads, taps and fixtures undermine cleanliness and reputation.
- ✕Constant maintenanceDescaling chemicals, downtime and service calls never stop.
Vulcan Impulse TechnologyHow Vulcan changes the physics of scale.
Vulcan applies a capacitive electronic impulse to the water. It doesn't filter, soften, or add anything — it changes how calcium and magnesium crystallize, so scale loses its ability to stick.
Reduces new scaling
The impulse modifies calcium crystallization. Limescale forms as a fine, non-adhesive powder that simply washes away with the water flow.
Cleans existing buildup
Over the following weeks, Vulcan gradually dissolves existing incrustation already in your piping, leaving only a thin protective layer.
Protects against corrosion
A controlled electrophoresis process forms a protective metal-carbonate layer, shielding metal pipes from rust over the long term.
⬡ 100% physical. No salt · No chemicals · No magnets · Minerals stay in the water · Only 3–6 EUR/year of power.
Seeing Is BelievingBefore and after, in real installations.
Before 
After Heating elements
Scale-coated elements return to clean, efficient operation.
Before 
After Piping systems
Blocked, encrusted pipes clear out and flow freely again.
Before 
After Fixtures & fittings
Shower heads, taps and valves stay clean far longer.
Proven in the FieldTrusted where water never stops running.
Restaurants, five-star hotels and large public facilities rely on Vulcan every day.
"Since CWT installed the Vulcan S25, our food warmers, steam ovens, kitchen sinks and restrooms are clear of scale, with cleaner crockery. This has saved us more than the cost of installing the unit."
"After installing Vulcan, the water supply was no longer blocked and scale on valves and shower heads was greatly reduced. Our board decided all 5 of our five-star hotels will use Vulcan wherever there is a scale problem."
"Across our restaurants the Vulcan units keep equipment free of scale, reducing breakdowns and maintenance. The reliability convinced us to roll it out across multiple sites."
"There are almost no limescale deposits on the 2,500 shower heads anymore. This saves significant manpower and the recurring cost of replacing sanitary equipment."
Product RangeOne technology, in sizes from ½″ up to 40″.
Vulcan is a customized solution. Three product lines cover every pipe diameter — pick the line that matches your installation and choose the model that fits your main pipe.
Residential LinePipe Diameter ½″ – 2″Vulcan 3000ResidentialPipe Ø (max)1½″ · 38 mmMax flow rate3,000 l/hVulcan 5000ResidentialPipe Ø (max)2″ · 50 mmMax flow rate8,000 l/h💡 How to choose: for standard ½″–2″ home piping the 3000 covers most cases; pick the 5000 for larger villas, higher flow, or solar systems.
Commercial LinePipe Diameter ½″ – 6″Vulcan S10CommercialPipe Ø (max)3″ · ~76 mmMax flow rate15 m³/hVulcan S25Most ProvenPipe Ø (max)4″ · ~100 mmMax flow rate30 m³/hVulcan S50CommercialPipe Ø (max)5″ · ~125 mmMax flow rate70 m³/hVulcan S100CommercialPipe Ø (max)6″ · ~150 mmMax flow rate120 m³/h💡 How to choose: match the model to your main incoming pipe diameter. Most hotels and restaurants run on the S25; step up to S50/S100 for larger properties or higher throughput.
Industrial LinePipe Diameter 4½″ – 40″Vulcan S150IndustrialPipe Ø (max)8″ · ~200 mmMax flow rate180 m³/hVulcan S250IndustrialPipe Ø (max)10″ · ~250 mmMax flow rate350 m³/hVulcan S350IndustrialPipe Ø (max)14″ · ~350 mmMax flow rate500 m³/hVulcan S500IndustrialPipe Ø (max)20″ · ~500 mmMax flow rate800 m³/hVulcan X-Pro 1IndustrialPipe Ø (max)30″ · ~750 mmMax flow rateOn requestVulcan X-Pro 2IndustrialPipe Ø (max)40″ · ~1000 mmMax flow rateOn request💡 For large systems: sizing depends on pipe diameter and total flow. Share your pipe Ø and flow rate and our engineers will recommend the exact unit or multi-unit setup.Download the HandbookPDFFull Model & Specification Handbook
Every model, pipe size and technical detail in one document. Free to download — no sign-up needed.
Quality & ComplianceCertified, tested, and built to last.
Independently verified to meet international standards for safety and water treatment.
Selected ReferencesChosen by leading names worldwide.
- ✕
