The IWT Company provided systems under the brand names of Illco, IllcoWater, Illco H2O and IllcoWay systems.  Some of the systems supplied included:

• Brine softeners
• Chemical feeders
• Clarifiers
• Condensate polishers – deep bed, sodium cycle, powdered resin and spherical
• Condensate softeners
• Deaerators and deaerating heaters
• Dealkalizers
• Decarbonators
• Degasifiers and degasifier towers
• Deionizers (also referred to as demineralizers, mixed beds, cations, anions or separate beds) – such as the MB, MBE or AMB models or series for mixed bed systems and the LU, LUE, HB and HBE and the WB, AWB, SB and ASB models or series for the two bed or separate bed systems 
• ELCA branded filters, softeners, deionizers, etc.
• Filters – Dua-Filt (dual media systems), such as the DF and ADF models or series
• Filters – iron removal, such as the IR and AIR models or series
• Filters – greensand
• Filters – multimedia, granular media and pressure
• Filters – ORC carbon filters, such as the CO and ACO models or series
• Filters – sand, such as the SF and ASF models or series
  SF and ASF models or series
• Filters – Super Carb carbon filters, such as the CS and ACS models or series
• Makeup demineralizers – MUD systems
• Microfiltration systems
• Non-regenerable mixed beds
• Neutralization systems
• Pump skids or regeneration skids (acid and caustic)
• Reverse osmosis systems
• Softeners (also referred to as water conditioners or zeolite softeners), such as the R or AR series or models
• Specialty ion exchange systems
• Ultrafiltration systems

If you have an existing IWT® branded system and want to purchase an additional, identically constructed system, please send an e-mail to retrofits.water@siemens.com and provide a description of your existing equipment and job number, if available.  We will research your existing unit and provide a quotation for a new, identically constructed system.