Pentair Letro LL105PM Cleaner Gray Bottom Cover (LLU10NG) controlsystemparts The bump mechanism is central

The bump mechanism is central to how Perflex DE filters clean and reset the internal flex tubes

Replacement fuse board for compatible Hayward Low NOx heaters

A standpipe is useful because it helps connect and organize key internal filter components

For compatible after-2003 applications

Pentair Letro LL105PM Cleaner Gray Bottom Cover (LLU10NG) controlsystemparts The bump mechanism is centralWhen a pressure side cleaner starts losing efficiency, small service parts often make the biggest difference. This gray bottom cover addresses one of those wear points directly. In daily use, this component helps protect the lower cleaner body and supports proper fit around internal operating components. Keeping this area in good condition helps the cleaner maintain more predictable movement and debris handling. This is a useful replacement for