Maytronics 9997020-R1 Gray Dolphin™ Diagnostic Tester Tool 25' x 49' 5" Multiport Valve Lid O-Ring

5" Multiport Valve Lid O-Ring designed for pool and spa applications

This base assembly ensures optimal water flow management

5 HP PowerFlo Matrix pump

Its adjustable flow and angle allow for customizable water displays

this liner offers an ideal balance of strength

Maytronics 9997020-R1 Gray Dolphin™ Diagnostic Tester Tool 25' x 49' 5" Multiport Valve Lid O-RingThe Maytronics Dolphin 9997020 R1 Diagnostic Tester Tool is designed to quickly and accurately test power supply functionality for Dolphin robotic pool cleaners. Engineered for use in residential, commercial, and professional environments, this compact tester ensures consistent performance diagnostics. Its durable plastic housing and lightweight design make it ideal for pool technicians and DIY pool owners alike. Compatible with most Dolphin models,