Pentair Letro L79BL Cleaner Float Arm Connector (LF21) suctions An LC cord helps connect

An LC cord helps connect compatible low-current single-speed outputs inside a spa control system

Matching the correct cable type helps maintain dependable panel communication and reduces unnecessary installation compromises

0 HP high-head impeller with the listed compatibility is needed

or specialty return installation described in the product name

A freeze switch helps protect compatible equipment by responding to low-temperature conditions

Pentair Letro L79BL Cleaner Float Arm Connector (LF21) suctions An LC cord helps connectThis component is a practical choice for keeping an older Letro cleaner in service when one worn part is holding back performance. Because pressure cleaners rely on small mechanical and flow parts working together, this piece helps address issues tied to feed hose connection, water delivery, and cleaner mobility. Part LF21 is intended for the L79BL cleaner family and should be selected by model, diagram reference, and the component description shown