How Does a Water Descaler Work?
A water descaler, also known as a water conditioner or electronic descaler, uses advanced German 36-volt impulse technology to prevent limescale from sticking to pipes and appliances. Instead of removing calcium, magnesium, and iron, it restructures these minerals so they stay suspended in water rather than forming deposits.
Unlike magnetic systems, Vulcan’s non-magnetic impulse bands ensure consistent results, regardless of water flow speed. This makes it a more reliable, maintenance-free alternative for protecting your plumbing and appliances.
The Connection Between Limescale, Rust, and Hard Water
Limescale doesn’t just damage appliances—it also accelerates rust formation. When minerals in hard water build up inside pipes, they trap iron particles, creating red-colored rust deposits over time. By reducing scale, Vulcan’s technology also helps prevent rust from forming inside your plumbing system.
The Advanced Science of Rust Preventionere
Electrophoresis-Activated Protective Layer: Vulcan’s impulses generate a protective metal-carbonate layer on pipes, acting as a barrier against corrosion.
Rust-Free, Healthier Water: With reduced mineral deposits, water flows more freely, minimizing bacterial growth and contamination risks.
Eco-Friendly Solution: No chemicals, salt, or additional maintenance—just a cleaner, longer-lasting plumbing system.

Key Benefits of Using a Vulcan Water Descaler
Limescale Control & Hard Water Protection
Prevents scale deposits from forming on pipes, appliances, and fixtures.
Eliminates existing limescale over time, restoring plumbing efficiency.
Rust Prevention & Pipe Longevity
Inhibits rust buildup, keeping pipes clean and free from corrosion.
Extends the lifespan of water heaters, washing machines, and dishwashers.
Energy & Cost Savings
Enhances appliance efficiency, reducing energy consumption by up to 40%.
Low running costs—only $3–$7 per year in electricity use.
Eco-Friendly & Maintenance-Free
No chemicals, filters, or salt required.
Suitable for all pipe materials, including copper, stainless steel, and PVC.
Certified German Engineering & Long-Term Reliability
TÜV, CE, and UL-certified for safety and performance.
25-year warranty, with an expected lifespan of 30+ years.
Simple Installation & No Ongoing Maintenance
A Vulcan descaler is quick to install and requires no plumbing modifications. The Vulcan Impulse Bands wrap around your existing pipes, ensuring 97.5% direct contact for optimal energy transmission. Once installed, the system runs autonomously and even remembers your last settings after a power outage.

Is an Electronic Water Descaler Right for You?
- Hard water stains on fixtures
- Clogged pipes due to limescale
- Rust-colored water from aging plumbing
- Reduced efficiency in water heaters and appliances
Then Vulcan’s electronic water descaler is the solution you need. It offers a powerful, eco-friendly alternative to traditional water softeners—without requiring any salt, chemicals, or ongoing maintenance.
Vulcans Impulse Bands: The Gold Standard in Efficient Pipe Descaling



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Our Collection of Vulcan Descalers
Residential Line
For pipes 1/2″ – 2″ in diameter
- Vulcan 3000
- Vulcan 5000
Commercial Line
For pipes 1/2″ – 6″ in diameter
- Vulcan S10
- Vulcan S25
- Vulcan S50
- Vulcan S100
Industrial Line
For pipes 4 1/2″ – 40″ in diameter
- Vulcan S150
- Vulcan S250
- Vulcan S350
- Vulcan S500
- Vulcan X-Pro 1
- Vulcan X-Pro 2

Vulcan 3000
Weight: 2 kg
Pipe diameter: ½” – 1½” (13 – 38 mm)
Max. capacity: 3000 l/h (13 gpm)
Voltage: 36 V
Wattage: 2.0 Watt
Impulse bands: 2 x 1 m (2 x 39″)
Band width: 10 mm (0.4″)
Dimensions: 125/80/30 mm (5.1/3.1/1.2″)
Frequency range: 3 – 32 kHz
Required space: ~ 250 mm (~10″)
Programs: 1

Vulcan 5000
Weight: 2 kg
Pipe diameter: ½” – 2” (13 – 50 mm)
Max. capacity: 8000 l/h (35 gpm)
Voltage: 36 V
Wattage: 2.0 Watt
Impulse bands: 2 x 2 m (2 x 79″)
Band width: 10 mm (0.4″)
Dimensions: 150/90/30 mm (5.9/3.5/1.2″)
Frequency range: 3 – 32 kHz
Required space: ~ 350 mm (~14″)
Programs: 1

Vulcan S10
Commercial Line
Weight: 4 kg
Pipe diameter: ½” – 3” (13 – 76 mm)
Max. capacity: 15 m³/h (65 gpm)
Voltage: 36 V
Wattage: 2.25 Watt
Impulse bands: 2 x 3 m (2 x 118″)
Band width: 20 mm (0.8″)
Dimensions: 190/120/40 mm (7.5/4.7/1.6″)
Frequency range: 3 – 32 kHz
Required space: ~ 500 mm (~20″)
Programs: 3

Vulcan S25
Commercial Line
Weight: 4 kg
Pipe diameter: 2″ – 4” (50 – 100 mm)
Max. capacity: 30 m³/h (130 gpm)
Voltage: 36 V
Wattage: 2.25 Watt
Impulse bands: 4 x 3 m (4 x 118″)
Band width: 20 mm (0.8″)
Dimensions: 200/130/40 mm (7.9/5.1/1.6″)
Frequency range: 3 – 32 kHz
Required space: ~ 800 mm (~32″)
Programs: 5

Vulcan S50
Commercial Line
Weight: 4 kg
Pipe diameter: 3″ – 5” (76 – 125 mm)
Max. capacity: 70 m³/h (300 gpm)
Voltage: 36 V
Wattage: 2.25 Watt
Impulse bands: 4 x 4 m (4 x 13′ 2″)
Band width: 20 mm (0.8″)
Dimensions: 200/130/40 mm (7.9/5.1/1.6″)
Frequency range: 3 – 32 kHz
Required space: ~ 900 mm (~35″)
Programs: 5

Vulcan S100
Commercial Line
Weight: 6 kg
Pipe diameter: 2½” – 6” (64 – 150 mm)
Max. capacity: 120 m³/h (530 gpm)
Voltage: 36 V
Wattage: 2.5 Watt
Impulse bands: 6 x 4 m (6 x 13′ 2″)
Band width: 20 mm (0.8″)
Dimensions: 230/150/40 mm (9.1/5.9/1.6″)
Frequency range: 3 – 32 kHz
Required space: ~ 1200 mm (~47″)
Programs: 10

Vulcan S150
Industrial Line
Weight: 6 kg
Pipe diameter: 4″ – 8” (100 – 200 mm)
Max. capacity: 180 m³/h (790 gpm)
Voltage: 36 V
Wattage: 2.5 Watt
Impulse bands: 6 x 8 m (6 x 26′ 3″)
Band width: 20 mm (0.8″)
Dimensions: 230/150/40 mm (9.1/5.9/1.6″)
Frequency range: 3 – 32 kHz
Required space: ~ 1800 mm (~71″)
Programs: 10

Vulcan S250
Industrial Line
Weight: 14 kg
Pipe diameter: 4″ – 10” (100 – 250 mm)
Max. capacity: 350 m³/h (1540 gpm)
Voltage: 36 V
Wattage: 2.75 Watt
Impulse bands: 8 x 10 m (8 x 32′ 9″)
Band width: 20 mm (0.8″)
Dimensions: 280/200/50 mm (11.0/7.9/2.0″)
Frequency range: 3 – 32 kHz
Required space: ~ 2500 mm (~99″)
Programs: 10

Vulcan S350
Industrial Line
Weight: 17 kg
Pipe diameter: 6″ – 14” (150 – 350 mm)
Max. capacity: 500 m³/h (2200 gpm)
Voltage: 36 V
Wattage: 2.75 Watt
Impulse bands: 8 x 20 m (8 x 65′ 7″)
Band width: 20 mm (0.8″)
Dimensions: 280/200/50 mm (11.0/7.9/2.0″)
Frequency range: 3 – 32 kHz
Required space: ~ 3400 mm (~11′ 2″)
Programs: 10

Vulcan S500
Industrial Line
Weight: 21 kg
Pipe diameter: 8″ – 20” (200 – 500 mm)
Max. capacity: 800 m³/h (3520 gpm)
Voltage: 36 V
Wattage: 3.25 Watt
Impulse bands: 10 x 30 m (10 x 98′ 5″)
Band width: 20 mm (0.8″)
Dimensions: 310/220/50 mm (12.2/8.7/2.0″)
Frequency range: 3 – 32 kHz
Required space: ~ 4500 mm (~14′ 9″)
Programs: 10

Vulcan X-Pro 1
Industrial Line
Weight: 40 kg
Pipe diameter: 20″ – 30” (500 – 750 mm)
Voltage: 36 V
Wattage: 3.75 Watt
Impulse bands: 12 x 25 m (12 x 82′)
Band width: 40 mm (1.6″)
Dimensions: 340/240/50 mm (13.4/9.4/2.0″)
Frequency range: 3 – 32 kHz
Required space: ~ 5600 mm (~18′ 5″)
Programs: 10

Vulcan X-Pro 2
Industrial Line
Weight: 81 kg
Pipe diameter: 32″ – 40” (800 – 1000 mm)
Voltage: 36 V
Wattage: 3.75 Watt
Impulse bands: 12 x 50 m (12 x 164′)
Band width: 40 mm (1.6″)
Dimensions: 340/240/50 mm (13.4/9.4/2.0″)
Frequency range: 3 – 32 kHz
Required space: ~ 8200 mm (~26′ 11″)
Programs: 10