The SX2-21 is a dual-housing water treatment system with drop-in 10” cartridges that reduces sediment down to 0.5 microns and reduces chlorine, taste & odor at a flow rate of 1.5 gpm for 15,000 gallons. This system includes ScaleX2®, a chemical-free scale inhibition technology that utilizes Template-Induced Crystallization to effectively inhibit the formation of calcium-carbonate scale. 


STEAM & COMBI OVENS - Boilers or steam generators up to 1.5 gpm.  Not recommended for 'flash' type (boilerless) combi ovens.
COFFEE BREWERS - Single or combination applications up to 1.5 gpm.

Replacement Cartridge(s)

  • 252-20110 - CTO-10 (1 Required)
  • 252-60205 - SCLX2-1 (1 Required)


  • NSF Certified under Standard 42