Polaris Zodiac 3900 Water Management Assembly with O-Ring (39-300) pushpullvalves or no longer supporting the

or no longer supporting the hi-limit system correctly

Installed in a compatible spa

The low-profile design makes this Waterway unit especially practical where clearance or appearance matters

Useful when replacing a depleted original cartridge

In systems that rely on an air pulse to toggle and hold an electrical function

Polaris Zodiac 3900 Water Management Assembly with O-Ring (39-300) pushpullvalves or no longer supporting theBuilt for the Polaris 3900 Sport cleaner, this water management assembly with O ring helps control the internal pressure path that keeps the cleaner moving and cleaning efficiently. A worn or damaged assembly can affect coverage, power delivery, and the way the cleaner responds during operation. This replacement is a practical choice when servicing the 3900s internal drive and flow system. The included O ring helps support a proper seal during