SS-EXT CARTRIDGE

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  

YouTube Tutorial

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.