Waterco 1-1/2" Top/Side Mount Valve Rotor (621458) grundfos or no longer operating as

or no longer operating as intended

For compatible filter system repair and replacement

making it one of the most important service parts when connection issues begin to appear

Matching the correct top access crown helps preserve intended fit and supports a cleaner

The 228053 is a practical choice when a compatible 2 inch system needs a top mount multiport valve with the added convenience of union connections

Waterco 1-1/2" Top/Side Mount Valve Rotor (621458) grundfos or no longer operating asThe Waterco 1 1 2 inch top and side mount valve rotor is designed for compatible multiport valve applications where the internal switching component needs replacement. A rotor is useful because it plays a central role in directing water to the correct internal passages as the valve changes between operating positions. This replacement is especially useful when the original rotor is worn, damaged, or no longer switching cleanly between functions.