Pentair Challenger 1.0 HP Diffuser (355077Z) cleaners and this Maytronics Dolphin version

and this Maytronics Dolphin version is designed for DLX5 applications using the 99955952-ASSY reference

Helps restore intended movement control behavior

This type of component is especially useful when the heater body and related controls remain serviceable and the issue is isolated to the sensor itself

A FloThru heater is useful because it delivers direct in-line heating while fitting systems that depend on a matched body and connection format for reliable installation

7 inch diameter x 9-3/4 inch length

Pentair Challenger 1.0 HP Diffuser (355077Z) cleaners and this Maytronics Dolphin versionFor a 1. 0 HP Challenger pump, the diffuser is part of the internal geometry that helps turn impeller movement into useful water flow. This Pentair replacement diffuser supports correct pump operation when the original part is worn, warped, or broken. It is a smart choice during performance troubleshooting, especially when low flow, vibration, or internal wear points to wet end component damage. Built for compatible 1. 0 HP Challenger pump assemblies