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Vulcan S250

The S250 model
is engineered to work with a pipe diameter of 10 inches and has an impressing capacity to handle water flow up to 1,540 GPM (Gallons Per Minute). It is a popular choice for hotels and large pool and spa environments who require very clean water free of scale to protect machinery and other expensive equipment. Used in commercial and industrial applications in 70 countries to remove and prevent scale build up in boilers, HVAC, evaporative coolers and other building support equipment, including a building’s water pipe infrastructure. The S250 model is programmable to adjust calibrations according to the pipe material and diameter.

tick pointStops, prevents and removes hard water scaling
tick pointSolves rust problems
tick pointGently sanitizes your water pipe system
tick pointProtects whatever your water touches from hard water corrosion
tick pointEco-Friendly solution that does not use salt or chemicals
tick pointImportant minerals remain in the water
tick pointLower facility cleaning, repairs and maintenance and labor costs
tick pointSupports circular economy practices

Max. Pipe Diameter: 10 inches
Max. Water Flow: 1,540 GPM

Quick Links:

Main Product Information Page
Vulcan vs. Water Softeners
Vulcan is NOT a Magnetic System
Extensive Case Studies

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vulcan logo med

"Wobbling impulse frequency technology designed to alter the molecular construction of hard water minerals from sticky spheres into powerful rod structures to remove scale, sanitize pipes, improve energy efficiency and protect your assets."

vulcan s250 anti scale system1
vulcan s250 anti scale system2

Stops formation water scaling crystals
Stops the natural elements found in water from depositing rust and water scale in water pipes, appliances, commercial equipment and whatever your water supply touches.
Continuously cleans and sanitizes water
Gently sanitizes your water pipe system and whatever your water touches; by breaking down rust, scale and limestone deposits on a molecular level and removing it through natural water flow
protective metal carbonate layer water
Protects your piping, equipment and whatever else your water touches from corrosion and perforation damage of hard water

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quote open smallPerfected over the past 30+ years to prevent scale minerals from bonding to surfaces and to remove existing scale buildup.

The state-of–the-art Vulcan electric impulse frequency descaler is an eco-friendly water treatment device that has been perfected over the past 30+ years to prevent scale minerals from bonding to surfaces and to remove existing scale buildup. Removing mineral scale promotes energy efficiency while promoting equipment longevity through circular economy practices.

Vulcan S250 small
vulcan impulse cable
Maximum Pipe Diameter 10 inches
Maximum Water Flow
1,540 GPM
Voltage 36 Volts
Wattage 2.75 Watts
Impulse Band Length 32' 9" each (8 bands)
Band Width 0.8 inches
Frequency Range 3-32 kHz
Required Space 99 inches
Measurements (electronic unit) 11" x 7.9" x 2.0"
Programs 10

Electronic Switching Power Supply Unit
87-260 Volt | 50-60 Hz In
36 Volt | 600 mA Out

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{tab=Case Study}
LEED Platinum Green Building certification vulcan mineral scaling descaler

blog heading iconPlatinum Green Building certification from LEED

Energy Complex has been awarded the highest level of Platinum Green Building certification from LEED (Leadership of Energy and Environmental Design) for energy conservation, harmonious coexistence of industry and the environment and optimal utilization of resources.

blog heading iconVulcan electronic impulse technology removes scale from heating stations

This installation was a government project and before the Vulcan descalers were installed it took a great deal of effort and expense to clean the heat exchangers. The Vulcan system has already proven its effectiveness since it has greatly prolonged the cleaning intervals. This government contract has reported they are very satisfied with the results.

blog heading iconGegenbauer Health Care Services

We have had the Vulcan S 250 installed inside the hospital now for a couple of months. We can identify a considerable benefit of the unit installed. We can barely see any scale deposits on the shower heads any more. This saves manpower and costs associated with exchanging sanitary equipment.

blog heading iconMeridian Spa

The Meridian Spa uses the Vulcan S250 on their main water pipes to treat the water for the Pool and Spa area.


quote open smallThe Vulcan Electronic Descaler is a Do-It-Yourself installation. Once installed it does not require maintenance.

vulcan S500 installation

Installation Notes: 

vulcan installation notes
For optimal water treatment it is best to install the Vulcan Descaler near the water meter or at the main water supply.

It can be installed vertically, horizontally or at any other angle. If there is no space available on the pipe the device can also be wall-mounted.

The impulse bands can be wound awound a pipe on the left side, on the right side or underneath the electronic device. In the event of limited space; the windings can be placed partly on the main pipe and partly on the distributor pipe; the treatment impulses extend over several meters to either side of the pipes. Temperature peaks on heating element surfaces should not exceed ~203°F .

Leave a safe distance of at least ½ inch between the bands. Do not remove the end caps or the impulse band insulation. Do not cut the impulse bands or the 24 V power cord of the power supply unit.

Use the provided electronic switching adaptor only. Protect the electronic unit and the power supply against direct water. Only specific Vulcan units (produced on demand) can run under water. ONLY use water to clean the Vulcan device.

The operating temperature of Vulcan ranges from -13°F to 122°F.

Installation Steps: 

1. Put the two cable clips through the holes at the bottom of the electronic device and then place it on the pipe. Using the cable clips, latch the device onto the pipe.

2. Connect one of the impulse bands to the device and use another cable clip to latch it to the pipe.

3. Wind the impulse bands around the pipe producing a coil. Make sure you wind the band tightly to the pipe and place the impluse bands close to each other.

4. Latch the end of the impulse band to the pipe using another cable clip. Now repeat the procedure with the second impulse band.

5. First, plug the connector into the upper right in-jack of the device and then plug the power supply unit into an electrical outlet.

6. The red pilot lights will illuminate as soon as it starts to operate. Your hard water descaler is NOW operational and will continue to work; maintenance-free.

vulcan installation line diagram residential

{slider=Installation Check List}
Has the installation location been chosen with respect to these factors?
Time Factor (water in tanks max. 48 h)
Heat Factor (Temperature peaks on heating element surfaces should not exceed ~203°F)
Distance Factor (max. 2 km / 1.24 mile pipeline length)

Are there unusual high levels of certain substances in the water? If yes, have they ben taken care of?
Example: Iron (Fe) and other metals: The content of iron and other metals in the water should not exceed 1 mg/l (1 ppm).
Other metals, for example: copper(Cu), aluminum(Al), lead(Pb), nickel(Ni), Zinc(Zn) can affect the Vulcan treatment.
Mn: The manganese level should not exceed 0.1 mg/l (0.1 ppm)

Have filter and pumps locations of been taken into consideration?
As a general rule it is better to install Vulcan after a pump and after a filter, if the setting in your installation area allows it.
Filters: Crude filters (> 50 μ) do not remove the mono-crystals and can be ignored. For more sensitive filters ( < 50 μ).  it is recommended to install Vulcan after the filter.

Pumps: If possible, we advise installing Vulcan after any pumps.
WHY? : Pumps with internal plastic wheels may create an electrical field that may affect the electronic impulse results of the descaler. Pumps with internal metal wheels may also cause an effect on the altered hard water molecules. If you know your pump does NOT create a very strong electrical field then install the Vulcan device before the pump on your main water line. If you are uncertain install after your main water pump.
Filters: If possible, we advise installing Vulcan after any pumps.
WHY?: Water filters are manufactured in a very wide variety of membranes and mediums; very small membrane water pathways can potentially filter out the treated hard water crystals. In general, install the Vulcan after your main water filter system.

Have you checked for strong electricity, magnetic fields or electro-motors?
Please make sure that there are no strong electric lines running close to the installation area. High voltage electric lines or strong magnetic fields may interfere with the Vulcan impulse-field. Please install Vulcan approximately 1 ½ to 3 feet away from these fields.

Are paint or cover materials on the pipe taken care of?
Thin coatings such as pipe protection (e.g. corrosion protection paint) are suitable to place the impulse-bands directly on top.
Insulation material or other thicker protective layers should be dismantled and can be re-installed over the impulse bands after installation.

Is the pipe surface temperature suitable?
The pipe’s outside temperature should not exceed ~ 149° F. Above this may harm the isolation of the copper impulse bands.

waslix logo purpose
Our philosophy is to foster a strong association between how clearly clean water will have a healthy biological influence on our bodies and preventative repairs and maintenance to our homes and businesses.
Direct Contact:
Cell: 412-848-5058