Ato Sensor

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    …built into the optical sensor housing, there are no additional controllers to mount giving a clean and easy to install system. The Exo Mounts easily to clear sump and aquarium walls with internal magnets that securely hold up to 1/4" thick. The Reef Breeders Exo ATO system is an ultra-intelligent…

    $89.99 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $15.99 Regular Price: $
    Out of Stock

    …Xp Aqua's Sumpless ATO - Complete ATO & Surface Skimmer for Sumpless Aquariums    Sumpless ATO is the first and only ATO designed specifically for aquariums without sumps. The combination of the sleek overflow box and the innovative dual-optical sensor ATO will help to keep…

    $149.99 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 Micro ATO includes an optical water level sensor to keep an eye on the level within the sump with no moving parts. The optical sensor is very reliable, even in complete darkness, keeping a steady water and salinity level replacing any evaporated water with fresh water. The Micro ATO, like its…

    $134.99 Regular Price: $
    Out of Stock

    …ever overflows the sensor can notify your Apex of the issue, and shut down the protein skimmer keeping all the skimmate from flowing back into your aquarium.    Suggested Sensor Locations: * Under the Stand * Under Carpeting * Under RODI Systems * Next to ATO

    $149.95 Regular Price: $

    …safest ATO’s available. It utilizes an electronic eye sensor to monitor water levels and a backup float switch sensor with an optional audible alarm. The controller protects the quiet metering pump from running dry and reports an empty storage tank. Two magnetic holders for sensors and…

    $199.99 Regular Price: $
    Out of Stock

    …jammed in a tiny package, the Duetto is 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…

    $119.99 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…

    $24.95 Regular Price: $

    …float valve that they do not need to drill or permanently mount to a reservoir. The Flood Guardian uses a dual optical sensor that can be magnetically attached to 5-gallon buckets, ATO containers, or even large saltwater mixing reservoirs, but then moved to any other container within seconds without…

    $69.99 Regular Price: $

    …solenoid. It is that easy.   The solenoid works in conjunction with the ATO controller and sensor to allow the flow of RODI water to your sump and when the water level is replenished the sensor will tell the controller to shut off power to the solenoid to close the valve and stop the…

    $22.99 Regular Price: $

    …and brackets   Float Sensors The A.T.O. is equipped with (2) float sensors that activate within seconds when your water level drops and automatically refills your sump or tank until it reaches your desired set point. Each float sensor has been designed with an exterior guard…

    $84.99 Regular Price: $

    Xp Aqua's Ultimate ATO - The most complete ATO on the market    With 2x dual-optical sensors, the Ultimate ATO is the first ATO to include 4 sensors. The 4 sensors allow a dual-stage overfill alarm that is less intrusive as well as a run-dry protection feature that prevents your…

    $199.99 Regular Price: $

    …connect up to six external switch inputs. The breakout box is compatible with any Apex Controller. * Float Switches for sump alerts or ATO (Auto Top Off) * Push Buttons for special feed, cleaning, ect. modes * Leak Detectors * Magnetic switches on cabinets for intrusion…

    $39.95 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $10.99 Regular Price: $

    …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 .39". * Max Head Height: 7.0 ft   …

    $99.99 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: $

    …trick up it’s sleeve. In addition to the four sensor ports, the FMM also has a DC24 accessory port and a power supply input. This adds another controllable outlet to your Apex set up. So, for instance, if you do want to make your own ATO and attach our available PMUP or Solenoid Valve, you…

    $199.95 Regular Price: $

    …trick up it’s sleeve. In addition to the four sensor ports, the FMM also has a DC24 accessory port and a power supply input. This adds another controllable outlet to your Apex set up. So, for instance, if you do want to make your own ATO and attach our available PMUP or Solenoid Valve, you…

    $99.95 Regular Price: $

    …revolve around maintaining proper water levels in your system. If your ATO fails off or runs out, the return pump could run dry and burn out. If the return pump stops working, filtration and heating cease. Worse yet, if your ATO were to get stuck on, this could not only affect tank parameters,…

    $249.95 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $16.99 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $28.99 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: $

    …4 Measurement ranges (0-900 uS/cm, 0-9.0 mS/cm, 0-90.0 mS/cm, 0-50 ppt) * 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc * Full data logging support in Apex Base module * Up to 240 AquaBus modules can be added to the Apex system * Plug…

    $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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