Pentair WhisperFlo 1.0 HP Impeller (073128Z) lacoindustries Matching the correct spring helps

Matching the correct spring helps preserve proper assembly movement and supports cleaner heater service

Useful replacement when existing wings are cracked

0kW trombone style heater is built for that type of setup

and control system requirements to the original part

Pentair WhisperFlo 1.0 HP Impeller (073128Z) lacoindustries Matching the correct spring helpsRestore confident water movement in compatible Pentair pump systems with this 1. 0 HP impeller replacement. The impeller is the performance point inside the wet end, helping convert motor rotation into the flow needed for filtration, circulation, and equipment operation. This component is a strong choice when a worn, damaged, or incorrect impeller is affecting priming, pressure, or overall pump efficiency. Designed for the application shown in part