Maytronics Diagnostic Basic, Bottom Lid Spring, 9982331

Maytronics Diagnostic Basic - Bottom Lid Spring, 9982331

This genuine Maytronics Bottom Lid Spring (Part # 9982331) is designed as a replacement tension spring for the bottom lid assembly in the Diagnostic/Basic series of Dolphin robotic pool cleaners. It restores the correct spring-tension so the bottom lid closes securely and maintains proper sealing, which is critical for optimal cleaner performance.

Key Features

OEM-specified spring – Manufactured to Maytronics’ original specification for tension, material, fit and durability.

Designed for bottom lid operation – Allows smooth opening/closing of the bottom lid access panel, provides reliable closure, keeps the filter chamber sealed and prevents debris bypass.

Durable pool-rated material – Built to withstand repeated exposure to pool water, chlorine, debris, mechanical stress from repeated lid cycles and the environment of robotic pool cleaners.

Cost-effective maintenance part – A relatively low-cost item that addresses common issues of lid mis-sealing, floating debris, and reduced suction without needing large component replacements.

Used On

• Maytronics Dolphin DX4 Pool Cleaner Parts
• Dolphin DX3 Pool Cleaner Parts
• Dolphin H50 Pool Cleaner Parts
• Dolphin DX5+S Pool Cleaner Parts