Replacing the Rotor Disc and Seals - Tank Filters

* Applicable for models NSCCTOSSA, NSANSSA, NSAPFSSA, and NSAPFXLA

1. Bypass the unit. 

2. Remove the Valve Cover. 

3. Replace the seal kit and rotor parts. Reassemble the valve, turn water on, and check for leaks.

4. Reassemble the valve, turn water on, and check for leaks.