Maytronics Spring for Non Return Valve, 3917042
The Maytronics Spring for Non-Return Valve (Part 3917042) is a genuine OEM replacement part designed for Dolphin robotic pool cleaners. This precision-engineered spring ensures the proper operation of the non-return valve, allowing water to flow smoothly in one direction while preventing backflow during cleaning.
Made from durable, corrosion-resistant stainless steel, this spring is built to withstand constant exposure to water, pool chemicals, and movement. Replacing a worn or weakened spring helps maintain your cleaner’s optimal water circulation and suction performance.
Features:
Genuine Maytronics OEM replacement part
Ensures proper non-return valve function
Prevents water backflow for consistent suction
Made from corrosion-resistant stainless steel
Easy installation with perfect OEM fit
