OEM filter cartridge replacement for Rinnai ScaleCutter (SS-3)

105.00 105.0 USD 105.00


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    Shipping: 1-2 Business Days  

    SS-EXT Cartridge utilizes HydroBlend®. Effectively controlling mineral scale deposits on heat exchangers in tankless water heaters. HydroBlend®​ is specifically formulated to work in high temperature / high hardness environments providing unparalleled mineral scale prevention and corrosion control. 

    OEM cartridge replacement for Rinnai ScaleCutter (SS-3) & Noritz ScaleShield (SS-HB2). Cartridge fits into standard prefilter housings.

    For use on single or twin tankless water heaters with an average continuous flow rate of 2-4 gpm.

    Flow Rate Range: 2-4 gpm.

    Estimated Treatment Capacity: 40,000 gallons

    Inlet/Outlet Connections: 3/4"

    Max Pres / Max Temp: 125 psi. / 100°F  

    Orders placed prior to 2 p.m. EST will ship same day via UPS.

    Returns accepted for unused items up to 30 days after delivery confirmation. To make a return, contact our Customer Service Team (800) 935-8500 or email us. We will send you an RMA (Return Material Authorization) number and additional instructions.


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