The Vulcan

The Eco-Friendly Anti-Scale System



Made in Germany
The salt-free alternative to water softeners
Vulcan is an eco-friendly water treatment system that protects your piping system and appliances against scale deposits and rust. The Vulcan-Impulse-Technology is based on the principle of physical water treatment. Special electronic impulses change the crystallization process of the liquid calcium. This way the hard scale loses its adhesive power. The technology works exclusively with capacitive electric impulses: no use of any salt or chemicals.
  Before and after Vulcan
piping system
eco-friendly alternative to softeners The eco-friendly alternative to softeners against scale problems
no salt or chemicals In comparison to water softeners, Vulcan don't use salt or chemicals
pipe diameter Suitable for pipe diameters from 1/2" to 20" (~ 10-500 mm)
acrylic cast Fully cast in acrylic for optimal quality endurance
do-it-yourself Do-it-Yourself installation without cutting the pipes
every material Works on every pipe material – iron, copper, stainless steel, galvanized iron, plastic, PVC, PE-x, compound pipes (any material mixture) etc.
cooling tower grid

swimming pool

Reasons alternative to water softeners Seperator A

12 reasons why Vulcan is a good alternative to water softeners
Vulcan clearly stands out with its quality and performance. Please compare Vulcan as the alternative to softeners by matching some quality indicators:  
German 24 Volt Impulse-Technology (capacitive): The water is treated with electric impulses that control scale in an eco-friendly “green” way. It is an electric system that is not magnetic-based.   24v-impulse
Vulcan works on a frequency range between 3-32 kHz with different frequency peaks (wobbling distribution). The secret to the right performance of physical water treatment lies in the composition of these impulses. CWT has developed and fine-tuned them for over 30 years.   3-32khz
Vulcan uses customized isolated copper impulse bands. How the impulses are transferred into the water is crucial. The design of the bands increases the surface area that transports the impulses. This improves transmission by up to 40%.   impulse-bands
The original acrylic cast is unique to the Vulcan product line. It offers maximum protection against water, heat, dirt, coldness, humidity and keeps all parts secure and sealed in place.   acrylic-cast
Vulcan comes with external UL and TÜV-approved electronic switching adaptors. They operate with a very low power consumption of 100-240V and equalize possible power instability.   adapter
Vulcan is not magnetic-based. Therefore, it operates 100% independent of the velocity (water flow rate) in the pipe and constantly provides reliable impulses that guarantee the right output at all times.   pipe-water
Material-matching programs for different materials: Vulcan treats any pipe material. No need to buy a different product for metal, PVC, plastic etc. any more.   materials
The automatic memory program keeps Vulcan running correctly. In case of the unlikely event of a power failure Vulcan automatically resets back to the last program once power is regained.   automatic
Vulcan holds numerous certifications by renowned international institutions: the German TÜV, the German CE, the UL-approval for switching adaptors etc.   tuv-ce
Vulcan requires very little electrical power as it is very economical. The units operate with 1.75 to max. 3.25 Watt. The running costs are approx. $US 3-7 (~3-6 EUR) per year.   economical
Made-in-Germany: Vulcan is a German quality product that has been manufactured by the family-run Christiani Wassertechnik GmbH, Berlin since 1989.   made-in-germany
10-year international warranty is granted for all Vulcan units. Due to the special acrylic protection these units keep on running with a life expectancy of over 30 years.   10-year-warranty

Download Vulcan - The alternative to softeners A
Download Vulcan - The alternative to softeners B

brochureVulcan - The water softeners alternative
24 pages, PDF
worldBrochure in other languages
more thsn 24 languages available

works on all materials
Additional Equipment

Vulcan - The alternative to water softeners treats all pipe materials
Iron, galvanized iron, copper, steel, stainless steel, plastic, PVC, PE-x, compound pipes (any material mixture), etc.
Additional Equipment
Plugs, cables, solar-power-unit, backup-battery for outdoor use, outdoor boxes, shades, waterproof power plugs, etc.
pdf_symbolVulcan Equipment

Product Video

The Vulcan information video

 In this video you will see how the Vulcan technology works and why it is in comparison to water softeners an eco-friendly solution against scale problems.    

Models & Sizes

Vulcan - The eco-friendly
alternative to softeners

pipe Ø
Max. water
Vulcan 3000
11/2" 13 gpm
(3000 l/h)
2 x 1 m 1
Vulcan 5000
2" 35 gpm
(8000 l/h)
2 x 2 m 1
Vulcan S10
3" 65 gpm
(15 m3/h)
2 x 3 m 3
Vulcan S25
4" 130 gpm
(30 m3/h)
4 x 3 m 5
Vulcan S50
5" 300 gpm
(70 m3/h)
4 x 4 m 5
Vulcan S100
6" 530 gpm
(120 m3/h)
6 x 4 m 10
Vulcan S150
8" 790 gpm
(180 m3/h)
6 x 8 m 10
Vulcan S250
10" 1,540 gpm
(350 m3/h)
8 x 10 m 10
Vulcan S350
14" 2,200 gpm
(500 m3/h)
8 x 20 m 10
Vulcan S500
20" 3,520 gpm
(800 m3/h)
10 x 30 m 10
water-softeners-alternative-vulcan-seriesOverview with all technical details  
product size
choose the right size
Product Sizes
In Vulcan impulses treat the water as it flows by. It is important to submit the right impulse strength everywhere in the pipe so that all the water is treated correctly. The impulse should neither be too week nor to strong. In order to provide the exact right impulse strength for your pipe, Vulcan comes in several sizes according to the pipe diameter.

How to choose the right product size
Please check the pipe diameter in the area where you want to install Vulcan.

The maximum water capacity by hour is the amount that a pipe in a certain size can carry in one hour. Most of the times you will not use such high amounts of water. However, in certain peak times, this may be your hourly usage.
  Impulse penetration area

outside rim
B pipe center
C A to B:distance penetrated
   by impulses



The do-it-yourself product

Vulcan is especially designed so that the installation does not need to be done by a specialized plumber. You can easily install Vulcan in approx. 10-15 minutes. The installation does not require any tools and there is no need to cut the pipe.   do-it-yourself alternative to water softeners
insrallation notes A
installation notes B
Notes on the installation
1 For optimal water treatment Vulcan is best installed near the water meter or at the main water supply.
2 The impulse band windings can be placed on the left side, on the right side or underneath the electronic device. Leave a safe distance of at least 1 cm (min. ~1/2”) from each other.
3 Vulcan 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.
4 In case of limited space the windings can be placed partly on the main pipe and partly on the distributor pipe.

All these different installations are possible because the treatment impulses extend over several meters to either
side of the pipes.
instructions private line Ainstructions private line B
Installation instructions for the Private Line
1 Put the two band holders through the fixing holes at the bottom of the electronic device. Now place the device onto the pipe. Use the band holders to latch the device to the pipe.
2 Connect one of the impulse bands to the device and use another band holder 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 windings close to each other.
4 Latch the end of the band to the pipe using another band holder. Now repeat the procedure with the second impulse band.
5 Connect the power supply unit with an electrical outlet and plug the connector into the upper right in-jack of the device.
6 The red pilot lights will illuminate as soon as the device starts to operate. Vulcan works from now on maintenance free.
In comparison to softeners Vulcan don't need any maintenance.    
instructions commercial
instructions industrial
Installation instructions for Commercial and
Industrial Line
1 Put the two band holders through the fixing holes at the bottom of the electronic device. Now place the device onto the pipe. Use the band holders to latch the device to the pipe.
2 Plug one of the impulse bands into the bottom impulse band in-jack and latch it to the pipe using another band holder.
3 Wind the impulse bands around the pipe producing a coil. Make sure you wind the band tightly to the pipe and place the windings close to each other.
4 Latch the end of the band to the pipe using another band holder. Now plug another impulse band into the in-jack on the opposite side and repeat the procedure.
5 Plug another impulse band into the next impulse band in-jack and, according to the device type, repeat steps 2 - 4 until all impulse bands are in use. All impulse bands must be wound tightly around the pipe and fastened with band holders.
6 Connect the power supply unit with an electrical outlet and plug the connector into the upper right in-jack of the device.
7 Now adjust your Vulcan on the side sensors according to your pipe diameter to optimally treat your water.
Vulcan don't need any maintenance and is the eco-friendly  alternative to water softeners.    
general information A
general information B
General information
1 Protect the power supply unit against exposure to direct water.
2 Use the included switching power supply unit only.
3 Do not cut the impulse bands nor the 24 V power cord of the power supply unit.
4 Do not remove the end caps or the impulse band insulation.
5 The operating temperature of Vulcan ranges from –20° C to +50°C (-4°F to 122°F).
6 Clean the device with water only.
7 Temperature peaks on heating surfaces should not exceed 95°C (203°F).
pdf_symbolInstallation Manual    

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