Neptune Systems MOS Magnetic Optical Sensor

New & improved compact magnetic water level monitoring Improved look, feel, and compact design Precise water level control Built-in magnetic mount Silicone-encased external magnet Completely waterproof Compact form factor fits into tight spaces Strong magnetic mount suitable for glass or acrylic up to 1/2″ thick The Neptune MOS replaces the previous OS-1-M and features an updated design that fits into tighter spaces and helps to prevent water incursion into the sensor. The MOS plugs into an Apex FMM port and uses reflected infrared light to signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted on any type of reservoir that has up to 1/4″ thick walls.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.