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    …or switching cabinet lights on, without the need to access the controllers menus. The toggle box has two protected toggle switches and four push-button switches which can trigger your programmed settings. The two different switch sets add versatility to the system, as the covered toggle switches

    $134.99 Regular Price: $

    …a relay. In the illustration, a relay acts as a switch for a pump, thereby isolating the float switch from any spikes that the pump may draw. The float switch turns the relay coil on and off. In this way, the only current handled by the float switch is that small amount required by the relay coil.…

    $15.99 Regular Price: $

    …Tunze Switched Socket Outlet connects any brand of pump to the Osmolator Universal 3155 Auto-Top off system. The enclosed low-voltage centrifugal pump can be replaced by this switched socket outlet in combination with a more powerful pump. The switched socket outlet can be used to switch metering…

    $82.49 Regular Price: $

    …the process by adding a float switch to trigger a message or alarm when your dosing solutions run low. This kit by Simplicity includes three float switches to help monitor your solutions and keep your dosing on schedule. How to Install Attach float switch to the mount inside dosing container…

    $36.95 Regular Price: $

    …automate the process by adding a float switch to trigger a message or alarm when your dosing solutions run low. This kit by Simplicity includes one float switch to help monitor your solutions and keep your dosing on schedule. How to Install Attach float switch to the mount inside dosing container…

    $15.95 Regular Price: $

    …a relay. In the illustration, a relay acts as a switch for a pump, thereby isolating the float switch from any spikes that the pump may draw. The float switch turns the relay coil on and off. In this way, the only current handled by the float switch is that small amount required by the relay coil.…

    $10.99 Regular Price: $

    …ends that have been tinned and ready for the accessory of your choice. The other end of the cable will connect to the 24v DC port on the EnergyBar 832 or the 1Link module. The port can be switched on and off just like any other outlet. 10 feet long Note:Accessories must not draw more than 35 watts.

    $18.95 Regular Price: $

    …the control box into a basic switch in the view of your controller. You can set rules and program outlets to react to the state of the Skimmate Locker just like any other open/closed switch, but it does take the place of an entire breakout box and if your Apex is switch heavy, the bare wire method…

    $209.99 Regular Price: $
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    …sensors (single and dual) Capacitive non-contact liquid level sensors Rope leak detectors Point leak detectors Flow rate sensors Magnetic switches Push-button switches Command Bus The HYDROS Control 2 includes two Command Bus ports which are used to power the Control unit as well as communicate with…

    $199.99 Regular Price: $

    …your fresh water storage container. It uses two float switches to control an electronic valve. When the water level drops below the first float switch, the valve is opened allowing the container to fill until it reaches the second float switch and the valve turns off. The Tunze RO Water Controller…

    $234.99 Regular Price: $

    …off where a traditional digital timer ends, allowing you to program the timer for periods of up to 7 day cycles. Soft power up Zero power crossing switch provides a spike-free ON/OFF relay control to prolong your appliance usage life LEDs illuminate the large LCD display Multi-event 7 day/24 hour…

    $34.95 Regular Price: $

    …clog with detritus, uneaten food, and organic waste. The clog causes the water to rise within the AF-RS170 chamber and trigger the water level switch, which then signals the motor to wind the filter roll to a new, fresh piece. The water level will then drop and the process will repeat itself until…

    $199.99 Regular Price: $

    …stages Default Setting - 12 months Batteries - 2 x AA (included) Battery Life - approx.18 months Base Unit Dimensions - 100 x 63 23 mm (4 x 2.5 x 0.9 in) Base Unit Weight - 119 g (4.2 oz.)(including batteries) Flow Switch Cable Length - 93 cm (36.6 in) Flow Switch Fitting Size - 1/4" Quick Connect

    $39.99 Regular Price: $

    …of DI resin. Get maximum output and the best quality filtered water from your RO system! Features The high & low pressure safety cutoff switch Improved rejection and production rates Built-in internal automatic flush valve Built-in check valve Buddie Fit press-fittings Sealed pressure…

    $136.99 Regular Price: $

    …It contains a 4 Amp fuse and permits normal operation with the Tunze power supply units. In case of a power failure, it will automatically switch over to a battery or another direct-current source in the instance of a power outage. Run times will vary based on the size of the backup battery.

    $64.99 Regular Price: $

    …use two-piece body designs that create sharp edges and breaks bubbles. Every Elite skimmer comes with an integrated skimmer cup overflow float switch that directly connects to the VarioS pump controller and will shut the skimmer down when the cup is full, eliminating messy and smelly overflows.…

    $1,064.90 Regular Price: $
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    …System. Besides the typical float switches, the options that you unlock with your Apex and a breakout box are virtually endless. Below are a short list of examples for possible switches and what they can accomplish. Float Switches for Auto Top Off Reed Switches for incabinet lighting or intruder…

    $44.95 Regular Price: $

    …Energy efficient, quiet, and cool operation with maximum durability and a 5 year warranty. Each pump includes a kit allowing you to easily switch between Hammerhead and Barracuda pumps thus allowing you to dramatically change flow rate and power consumption to best meet the needs of your…

    $479.00 Regular Price: $

    …build an auto-top-off, monitor the levels in your supplement containers, even help automate saltwater mixing containers. Traditionally float switches have been the most commonly used types of these devices, however they are prone to all kinds of failure. On the other hand, the solid-state,…

    $104.95 Regular Price: $

    …port I/O Switch Inputs for ATO, feed buttons, leak alarms, etc. Monitor multiple tanks Galvanic Isolation for accurate and reliable probe readings Features of the Neptune Systems pH/ORP Expansion Module: Monitor and Control pH or ORP and temperature 6 digital inputs for float switches, water on…

    $89.95 Regular Price: $

    …Rated up to 160 gallons Light Stocked Tank - Rated up to 210 gallons Features: VarioS-2 S DC controllable pump Apex Ready Safety overflow float switch for cup High quality cast acrylic Easily disassembled for cleaning Hybrid Cone Shape High volume air intake Body Drain Quiet operation Solid…

    $599.99 Regular Price: $

    …the system in a matter of minutes. Everything you need to install an Aquatec 8800 Booster Pump - all in one kit. It also includes the pressure switch so it will work with reverse osmosis units that are set-up to shut off automatically. ¼” Push Connect fittings. Benefits of maintaining…

    $153.49 Regular Price: $
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    It is not common but if you ever need a replacement level switch for your Theiling Compact Rollermat we have you covered. This is the OEM replacement level switch for the Compact Rollermat and only takes a few minutes to replace. What's Included? 1x Replacement Compact Rollermat Level Switch

    $11.99 Regular Price: $
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    …With complete control through the VarioS Controller, you can control the flow of the pump, enter feed modes (15 or 60 minutes), add a safety float switch (included), or simply connect it to a third party controller like an Apex. Max Flow: 1050 GPH Max Head: 14.7 FT Dimensions: 5.7" L x 3.75" W x…

    $339.99 Regular Price: $
    Out of Stock

    …Extended membrane life 1/4" hose push connections Hermetically protected electronics for long life Installation Note: Aquatec 8800 Pressure Switch & Aquatec 8800 Power Supply required for installtion. An Auto-Flush Flow Restrictor will assist the RO membrane to perform with maximum efficiency…

    $54.99 Regular Price: $
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    …transformer which is sold separately. If your RO system has an auto shut off kit or you are planning on installing one the Aquatec PSW Pressure Switches (sold separately) is also required. Benefits of maintaining higher water pressures Improved waste water ratio Improved membrane rejection…

    $109.99 Regular Price: $
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    …eventually become immeasurable (or nearly so) when a balance is reached between the rates of nutrient-input and nutrient-assimilation. Thereafter, switch to “low-nutrient” dosage (below).Low-nutrient Systems: Add 5 ml (1 capful) per 100 US-gallons (378.5 L) [≈1 drop per gallon (3.8…

    $8.68 Regular Price: $10.21
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    …providing a large opening to refill the reservoir as needed. Each ATO reservoir has two 0.25” OD holes for ato plumbing or wires for float switches. Dimensions: 10” long x 16” wide x 15” tall An Auto Top Off container is perfect for holding a fixed amount of top off water. An…

    $179.99 Regular Price: $

    …easy to maintain as well. The Aeraqua Duo seems to combine nearly every wish-list innovation they could think of, from a built-in handle and float switch in the collection cup to integrated air lines, dual needle-wheel impellers, and water level marks on the skimmer body. The innovations don't stop…

    $824.99 Regular Price: $

    The Float Switch Level Sensor from designed for use with GHL Profilux aquarium controllers and the Doser 2.1 SA dosing pumps to provide constant water level monitoring for control of related aquarium equipment. This float switch can be used to trigger top off pumps or turn off equipment in an…

    $37.90 Regular Price: $

    The Aquatec pressure switch is used to shut down the pump when the switch detects pressure build up caused from your holding container becoming full. Most often triggered with a float valve Your system must have a working auto shut off kit for this switch to work properly. ¼” Push…

    $19.99 Regular Price: $

    …Sensor Fastener work with the Level Sensor Holder Base Unit to securely mount your float switch sensor to the desired height in your aquarium or sump. The fastener has an 8mm slot to accommodate the float switch, and securely mounts to the plexiglass bar of the mounting base and can be placed at any…

    $6.72 Regular Price: $7.90
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