Polaris Zodiac 3900 Water Management Assembly with O-Ring (39-300) pushpullvalves Pressure-switch replacements are often especially

Pressure-switch replacements are often especially worthwhile when the rest of the heating setup is still serviceable

Bronze construction supports a more durable rebuild

or no longer supporting the hi-limit system correctly

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

and this Filbur FC-0169 cartridge is designed for matching applications where the original cartridge has reached the end of its useful service cycle

Polaris Zodiac 3900 Water Management Assembly with O-Ring (39-300) pushpullvalves Pressure-switch replacements are often especiallyBuilt 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