This sensor plugs into your FMM and, using reflected infrared light, will 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...

This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar...

Float valves are used to shut off RODI water when a certian level is reached.

IceCap Magnetic Mount Float Valve comes with universal tubing retainer and tubing