Auto Top Off Sensor

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    AutoAqua auto top off units now have the ability to hook directly up to a RODI solenoid to replace the pump they are equipped with out of the box. If you have upgraded to a larger system, or just simply don't have the room for an ATO storage container this may be the option for you. Replacing…

    $22.99 Regular Price: $

    …solenoid valve for aquariums that are topped off directly with an RO/DI system.    Features: World' First 4-Sensor ATO Low water level optical sensor Two sensor dual-stage overfill alarm w/QST programming One sensor for run-dry protection Versatile &…

    $199.99 Regular Price: $

    …activated until the water hits the next sensor. * Fill Level: 1" above the low-level sensor, this sensor turns the fill pump off when it detects water. * High Level: 1" above the fill level, and 2" above the low-level sensor, this sensor deactivates the pump when it senses…

    $59.99 Regular Price: $

    …the pump off and create an audible alarm. * Empty Reservoir Alert: The system can detect when the top off pump is drawing excess air/running dry and automatically shut the pump off and create an audible alarm. * Sensor Obstruction Alert: The system will detect if the in-tank sensor needs to…

    $89.99 Regular Price: $

    …designed specifically for aquariums without sumps. The combination of the sleek overflow box and the innovative dual-optical sensor ATO will help to keep your aquarium topped off and your water crystal clear.    The overflow box easily mounts to any aquarium with its magnetic…

    $149.99 Regular Price: $

    Why does BRS recommend this? Bulk Reef Supply tried many different water level switches and auto top off solutions before giving the Tunze 3155 Osmolater Universal Auto Top Off BRS Recommended status. Despite its higher price this is by far our favorite solution. Spending the extra money on a…

    $199.99 Regular Price: $

    …Osmolator Nano 3152 Auto Top Off is designed for smaller tanks, approximately 50 gallons and under. One of the safest ATO’s available. Utilizes a single sensor to monitor water levels and a controller that protects against overdosing. * Magnetic holder for sensors up to 10mm or…

    $99.99 Regular Price: $

    …the sensors need to be placed can be very limited in space.   AutoAqua has released their Micro ATO system making it the smallest auto top off unit on the market today. The downfall for most top off systems is the float valve or moving parts. AutoAqua utilizes an optical sensor to…

    $134.99 Regular Price: $
    Out of Stock

    Optical sensors are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it.   This sensor plugs into your FMM…

    $24.95 Regular Price: $

    …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 your sump, water storage level sensor, and…

    $34.95 Regular Price: $

    …the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level constant, the two sensors also work in concert with the intelligent QST programming to help prevent…

    $119.99 Regular Price: $

    …a safe and consistent auto top off system.  With multiple configurations, the JBJ A.T.O will fit almost anyone’s needs.  With linkable brackets adjust and secure float switches, you will need to add your pump of choice, the JBJ ATO system is a great top off unit for reefers on…

    $84.99 Regular Price: $

    …the reservoir without it being topped off every time. Just set how many days you want the Flood Guardian to delay before refills, and you can start producing better water with less waste.     Optical Sensor Installation The optical sensor can be mounted in any reservoir…

    $69.99 Regular Price: $

    …for possible switches and what they can accomplish.  * Float Switches for Auto Top Off * Reed Switches for incabinet lighting or intruder detection * Humidity Sensors for turning on and off fans or dehumidifyers * Momentary Swtiches for a time based function like saltwater…

    $39.95 Regular Price: $

    …will notify you if a sensor ever detects moisture, and also control any equipment that is powered by an EnergyBar. One common example of common programming and placement is to place a leak detection probe on top of your protein skimmers lid, and if it ever overflows the sensor can notify your Apex…

    $149.95 Regular Price: $

    …  Auxiliary pumps on reactors This is a very handy application for the FMM. Place a flow sensor on a device like a carbon/gfo/biopellet reactor and it serves many purposes. First off, you will know if your pump is not not flowing correctly or failed altogether. Next, you can easily…

    $199.95 Regular Price: $

    …  Auxiliary pumps on reactors This is a very handy application for the FMM. Place a flow sensor on a device like a carbon/gfo/biopellet reactor and it serves many purposes. First off, you will know if your pump is not not flowing correctly or failed altogether. Next, you can easily…

    $99.95 Regular Price: $

    …the clip, turning the float upside down and replacing the clip.   Recommended for water applications like level controllers, auto top systems or other aquarium uses. * Normally closed or normally open (see more) * Float magnet is encased inside the float * 48"…

    $10.99 Regular Price: $

    Recommended for water applications like level controllers, auto top systems or other aquarium uses * Normally closed or normally open (see more) * 14” leads (22 gauge wire) * M16 straight threading - includes nut and silicon o-ring * 5/8" Mounting hole required …

    $15.99 Regular Price: $
    Out of Stock

    …Water features * Air conditioning drain pan applications   Recommended for water applications like level controllers, auto top systems or other aquarium uses.   Specifications * Normally closed or normally open (see more) * Float magnet is encased…

    $16.99 Regular Price: $

    …Water features * Air conditioning drain pan applications   Recommended for water applications like level controllers, auto top systems or other aquarium uses   Specifications * Normally closed or normally open (see more) * Float magnet is encased…

    $28.99 Regular Price: $

    …the most critical parameters in any aquarium, but it's very difficult to visually determine if something is off before there are negative effects. Without a monitor, a heater that has failed off could go unnoticed for days or longer unless you happen to put your hand in the aquarium. The effects of…

    $249.95 Regular Price: $

    …valuable piece of information.  Usually, if something is to go wrong with your tank, you will usually see a change in salinity from temp, to a top off unit being stuck on, if you have a Neptune Apex Controller we highly recommend investing in the PM2 module and salinity probe.   …

    $84.95 Regular Price: $

    …pH/ORP Expansion Module: * Monitor and Control pH or ORP and temperature * 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc * Full datalogging support in Apex Base module * Up to 240 AquaBus modules can be added to the Apex system * Plug and…

    $84.95 Regular Price: $

    …  Features * Monitor/Control Dissolved oxygen and temperature * 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc * Plug and Play.  Automatically recognized when installed into the system * Two AquaBus connectors for flexible…

    $94.95 Regular Price: $
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