Apex Probes

Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built with an all acrylic weather and shatter resistant design...

Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more...

The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected...

New to the leak detector offerings is the Optical Multi Surface Leak Sensor (LD-3).  This is a weighted sensor that is an improved sensor and design over our Solid-Surface Leak Sensor (LD-2).  Those improvements include: An epoxied design...

This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe.  It allows the probe to stay clean and fixes a well know issue with the salinity probe.  Microbubbles no more.  Kit Includes: Salinity...

This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe.  It allows the probe to stay clean and fixes a well know issue with the salinity probe.  Microbubbles no more.  Kit Includes: Salinity...

The 4″ LLS is the smallest of the four sensor offerings.  It is the perfect fit for small reservoirs for small sumps, ATO reservoirs and additive containers.  This can be a great solution to double check that liquid additions of your...