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Heating water treatment according to VDI 2035

Heating water treatment

The requirements for your water treatment system are as unique as each industry is individual.
At EnviroFALK, you will be advised by experts who know your specific areas of application inside out.

Heating water according to VDI 2025

Corrosion, deposits and system failures: Consequences of too much hardness and oxygen in the circulation water of heating systems. However, they can all be avoided if you decide to use modern systems for heating water treatment made by EnviroFALK. With us at your side, you can effectively secure the heat supply for your customers and at the same time comply with the guidelines of the
VDI 2035
to the full extent. This is because the majority of boiler manufacturers use VDI 2035 as the basis for their warranty conditions. If the heating fill water is not treated, the warranty will become void.

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Heating water treatment with EnviroFALK

Why EnviroFALK? Heating and plumbing companies benefit from our cooperation in several ways!

  • Heating water quality in accordance with the “VDI 2035” guideline
  • Optimum heating water treatment for the respective circuit, perfectly matched to the size of the property
  • Highly effective special resin: durable, sustainable and economical
  • Fully automatic filling, treatment or pH value adjustment of heating water with mobile trolley HKEF 1500 – also available for rent or for fixed installation with wall bracket
  • Safe, punctual and fast regeneration service for ion exchangers with pick-up and delivery service throughout Germany – directly to your customers.

Our products for heating water treatment


Envi GreenPURE Triton

The ultrapure water system for small requirements! The TRITON has a modular design and offers a high degree of flexibility to adapt to your specific requirements.


    AGUASAVE water treatment module

    AGUASAVE water treatment module The modules in the AGUASAVE family are suitable for systems of all sizes. From single-family homes...


      Filters & sterile filters

      Filters & fine filters Pressure-resistant filter housing made of plastic or stainless steel, incl. Filter cartridges for coarse filtration of particles...


        Envi GreenPURE Halios

        Ultrapure water for critical applications. The laboratory water system, PURE-LINE HALIOS with the external dispenser and PURE-LINE HALIOS ID with the integrated dispenser for monitoring all parameters, offers space-saving installation.


          Ion exchangers for industry

          Ion exchangers for full and partial water demineralization are indispensable in many industrial processes. Well-known companies rely on our...


            Envi GreenLINE ion exchanger XXL

            Envi GreenLINE Ion exchanger XXL Sometimes size does matter! The cartridge consists of a GRP container, incl. Distributor system and filter...


              Ion exchanger service for commercial kitchens

              Partially and fully demineralized water, which is often treated using cartridges, is a decisive quality factor for guaranteed taste,...


                Envi GreenSOFT double softener MC-N 2CT

                Envi GreenSOFT MC-N 2CT double softener Continuous water flow: A softener with only one GRP cartridge can interrupt the water flow...


                  Envi GreenPARTS Tanks

                  Envi GreenPARTS TanksFor optimum storage of pure waterMade from high-quality opaque PE or PP Completely closed with removable lid ...


                    TOC meter

                    Envi GreenPARTS TOC meter The online TOC measuring device is used for highly sensitive measurement of the concentration of total organic...


                      Envi GreenFLOW K

                      Envi GreenFLOW K The DEA-K can be used universally for flexible applications and always provides a constant water pressure at all...


                        GAHOtech multi

                        GAHOtech multiMULTIfunctional unit - one system for the entire kitchen. The GAHOtech multi-talent for commercial kitchens combines high-quality technology...


                          Ion exchanger service for heating water

                          Protect heating systems - economically and environmentally friendly! You can also benefit from our range of ion exchangers for...


                            Envi GreenLINE ion exchanger plastic

                            Envi GreenLINE Plastic ion exchanger Pressure-resistant ion exchanger made of GRP, ready for direct connection incl. internal lance system. For the...


                              Envi GreenSOFT single softener MC-N C

                              Envi GreenSOFT Single softener MC-N CDifferent capacities depending on consumption and water hardness.Contains GRP cartridge, a control head, brine...


                                Ion exchanger service for toolmaking

                                Galvanic rinsing water, process, pickling and cleaning baths often contain various chemical substances and metals that are highly toxic....


                                  Envi GreenFLOW D

                                  Envi GreenFLOW D The ready-to-connect pressure boosting systems with frequency-controlled stainless steel pumps are supplied mounted on a frame....


                                    Envi GreenSOFT double softener MC-N 2C

                                    Envi GreenSOFT Double softener MC-N 2C With its two control heads, the MC-N 2C double softener offers an additional advantage in...


                                      GAHOtech drink

                                      GAHOtech drink Food and drinks retain their full flavor and natural color thanks to GAHOtech drink water treatment. This ensures...


                                        EnviModex filter bags

                                        Patented filter system offers reliable filtration Separation of solids and liquids.The fabric bag for sludge dewatering is supplied with eight...


                                          UV systems for TOC reduction

                                          Envi GreenPARTS UV systems for TOC reduction For the continuous inactivation of microorganisms and viruses. No use of chemicals or mercury-based...


                                            Envi GreenLINE stainless steel ion exchanger

                                            Envi GreenLINE Stainless steel ion exchanger Pressure-resistant ion exchanger made of high-quality stainless steel.Directly ready for connection incl....


                                              Ion exchanger service for laboratory & medical technology

                                              You know it yourself: Water, which is often treated using ion exchangers, is a decisive quality factor in cleaning,...


                                                Envi GreenSOFT double softener rack

                                                Envi GreenSoft Frame configurator The EnviroFALK MC-N 2 CT and MC-N 2 C water softeners are available as prefabricated units. ...


                                                  Envi GreenFLOW E

                                                  Envi GreenFLOW E The ready-to-connect GreenFLOW pressure boosting systems with frequency-controlled Stainless steel pumps are mounted on a compact...


                                                    Envi GreenPURE MX-A Reversible can

                                                    Envi GreenPURE MX-A 3800 - 12 000 The MX-A series water treatment systems have been specially designed for use with hardness-stabilized...


                                                      Make-up units for fixed installation

                                                      Make-up units for fixed installation Our make-up units in accordance with VDI 2035 already contain all the components and connection...


                                                        Testomat 808 hardness analyzer

                                                        Testomat 808 Hardness analyzer The Testomat® 808 is a compact analyzer for online measurement of water hardness according to the principle...


                                                          GAHOtech clean

                                                          GAHOtech clean Clean water guarantees shiny dishes, stain-free glasses and protection for dishwashers. GAHOtech clean is the indispensable water treatment...


                                                            Envi GreenPURE RG 2000-3000

                                                            Envi GreenPURE RG 2000-3000 The GreenPURE RG reverse osmosis system is used to desalinate softened drinking water and to reduce TOC...


                                                              Envi GreenPURE L 120-500

                                                              Envi GreenPURE L 120-500 The GreenPURE L reverse osmosis system is used to desalinate softened drinking water.ser, as well as to...


                                                                Envi GreenSOFT single softener MC-N CK

                                                                Envi GreenSOFT MC-N CK single softener Ready-to-connect systems for the production of soft water.Space-saving installation thanks to cabinet design Integrated...



                                                                  AQUAform Our AQUAform systems treat demineralized water in the circuit of wire EDM machines. The quality resin mixture used in...


                                                                    Envi GreenPURE HS / HSC

                                                                    Envi GreenPURE HS / HSC The compact GreenPURE HS and HSC water treatment systems are designed for the designed for...


                                                                      Envi GreenPURE MX 4300 - 10000

                                                                      Envi GreenPURE MX 4300 - 10 000 The MX series water treatment systems have been specially designed for use with softened...


                                                                        Testomat EVO TH hardness analyzer

                                                                        Testomat EVO TH hardness analyzer The Testomat® EVO determines the water hardness (residual total hardness) fully automatically by means of...


                                                                          HKEF 1500

                                                                          HKEF 1500 Fully automatic system for the preparation of heating and cooling circuits. With the HKEF 1500, you can monitor...


                                                                            GAHOtech soft

                                                                            GAHOtech soft Hard water causes limescale and calcifies appliances, systems and heating elements. GAHOtech soft is the ideal water treatment...


                                                                              Conductivity meter

                                                                              C 20 battery-operated


                                                                                Envi GreenPURE K 60-200

                                                                                Envi GreenPURE K 60-200 The GreenPURE K reverse osmosis system is used to desalinate softened water. drinking water and to...


                                                                                  Envi GreenFIL

                                                                                  Envi GreenFIL Filter systems The filter systems with GRP cartridge are equipped with a central control valve. They can be backwashed...


                                                                                    AGUACLEAN filtration module

                                                                                    AGUACLEAN filtration module The use of AGUACLEAN is highly recommended when renovating or modernizing the heating system (e.g. replacing the...


                                                                                      Envi GreenPURE Ultra RG 80-3000

                                                                                      Envi GreenPURE Ultra RG 80-2000 The GreenPURE Ultra RG systems are designed for the production of ultrapure water from softened drinking...


                                                                                        Envi GreenPURE L 800-1500

                                                                                        Envi GreenPURE L 800-1500 The GreenPURE L reverse osmosis system is used to desalinate softened drinking water.ser, as well as to...


                                                                                          Residual hardness controllers ASC

                                                                                          Residual hardness controller ASC For continuous monitoring of the function of the softening system and to protect downstream systems against...


                                                                                            Envi GreenPURE HS Ultra

                                                                                            Envi GreenPURE HS Ultra The compact GreenPURE HS Ultra water treatment systems are designed for Desalination of softened drinking water....


                                                                                              AQUAform PST

                                                                                              AQUAform PST AQUAform PST systems are used when the highest deionization performance is required, e.g. for hard metal cutting or...

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                                                                                                Customers & Solutions

                                                                                                Stadtwerke Ulm: Demineralised water for district heating network

                                                                                                Stadtwerke Ulm is converting the water as a heat transfer medium in the district heating network to low-salt operation with EnviroFALK ion exchangers during ongoing operation.

                                                                                                To the reference

                                                                                                News from EnviroFALK

                                                                                                Christmas will be GREEN this year!

                                                                                                Our Christmas present? 500 trees that we plant together in spring. With our tree-planting campaign, we want to play our part in making our home sustainable and fit for the future. Because trees are true superheroes! mehr lesen

                                                                                                Containers create more space

                                                                                                Containers create more space in the short term for handling EnviroFALK water treatment plants in the standard and compact plant construction sector. mehr lesen

                                                                                                EnviroFALK Switzerland at the new Hünenberg site

                                                                                                After the warehouse and logistics had already been moved in November, the EnviroFALK Switzerland team got to work again. Sales and technical customer service are now also present at the Hünenberg site. mehr lesen

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                                                                                                Good reasons to talk to us

                                                                                                Filling, treating or adjusting the pH value of heating water circuits is child’s play with the HKEF 1500, the mobile and fully automatic system for heating water treatment from EnviroFALK – very practical on two castors with trolley function. And with the compact aluminum frame, you can get into any boiler room – downstairs and upstairs. The system monitors conductivity, temperature and system volume fully automatically. The HKEF is also available on a rental basis.

                                                                                                With the HKEF 1500 for fixed installation with wall bracket, you can monitor the heating system 24/7. Conductivity, temperature and system volume pH value are permanently measured and the information processed. In the event of imbalances in the water, the HKEF reacts fully automatically and restores the optimum water quality completely independently.

                                                                                                EnviroFALK ion exchanger cartridges are available in GRP and stainless steel in various sizes and flow rates between 300 and 2,500 l/h for filling, replenishing or treating heating circuit water. The special feature: Our cartridges are filled with special resin for perfect heating water. It is highly effective, but also significantly more durable. And: EnviroFALK does not provide you with an expensive disposable product for ion exchange. Once the resins are exhausted, they are simply reprocessed in our regeneration stations. This not only protects the environment, but also saves you unnecessary costs. Discover our regeneration service too.

                                                                                                We are happy to support you. Whether it’s a detached house, residential complex or industrial and commercial premises, whether it’s refilling or temporary treatment of the water in the heating circuit: our product portfolio and range of services specifically for heating and plumbing companies take a lot of work off your hands. In other words: We roll up our sleeves for you so that you can focus even better on your core business. Sounds good? We think so too!

                                                                                                Heating water treatment in accordance with VDI 2035 with a sustainable, economical and clever overall concept – is that exactly what you want? Then give us a call. Our experts will be happy to help you.

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