Level Switch

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    Replacement float level switch for the Theiling Rollermat. If your Theiling Rollermat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $19.99 Regular Price: $

    …shut-down. When the reeds inside our switches are exposed to this kind of "spiking voltage" they can overheat and become deformed. In some cases they may even weld together or break off, causing the switch circuit to remain closed (or open) regardless of the level of the float. Deformed reeds can…

    $15.99 Regular Price: $

    …Multiple configurations * Visual LED signals * Includes float switches 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…

    $84.99 Regular Price: $

    …installation, a Socket Switch is included that allows you to run a pump up to 10A (1,200W). They even include a 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…

    $199.99 Regular Price: $

    …reef tanks dissolved oxygen levels. * Real-time monitoring of dissolved oxygen in reef aquarium * Module has extra Temp Probe port (sold separately) * I/O Switch Inputs for ATO, feed buttons, leak alarms, etc.   Recommended DO level for reef tanks is between…

    $94.95 Regular Price: $

    …for water-level sensors on an aquarium. They can help you 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…

    $199.95 Regular Price: $

    …optimal waste removal. On top of that, these skimmer pumps include a float switch that allows you to shut the skimmer pump off when the waste collector is full, or if your sump has reached a high or low water level.    Ideal Replacement Skimmer Pump for: *…

    $334.99 Regular Price: $

    Replacement float switch grommet for passing wiring through the Rollermat housing. If your Theiling Roller Mat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $2.49 Regular Price: $

    …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…

    $677.99 Regular Price: $

    …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…

    $1,049.99 Regular Price: $

    …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: $

    Replacement float switch bracket for Theiling Roller Mat's level switch. If your Theiling Roller Mat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $4.49 Regular Price: $

    …shut-down. When the reeds inside our switches are exposed to this kind of "spiking voltage" they can overheat and become deformed. In some cases they may even weld together or break off, causing the switch circuit to remain closed (or open) regardless of the level of the float. Deformed reeds can…

    $10.99 Regular Price: $

    …to prevent protein skimmer overflows as well as reduce the strong skimmate smell. Float switch connected to power source for your protein skimmer - automatically shuts off your protein skimmer if float switch is activated. Ping pong ball apparatus stops waste container from overflowing. *…

    $219.99 Regular Price: $

    …on the market, there are no ping-pong balls or float switches that are prone to failing regardless of being in a nasty skimmate environment. Avast Marine equips their skimmate lockers with an air pressure sensitive control box. As the fluid level rises in Davey's Locker it will trap air inside of…

    $179.99 Regular Price: $

    …on the market, there are no ping-pong balls or float switches that are prone to failing regardless of being in a nasty skimmate environment. Avast Marine equips their skimmate lockers with an air pressure sensitive control box. As the fluid level rises in Davey's Locker it will trap air inside of…

    $199.99 Regular Price: $

    …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…

    $572.99 Regular Price: $

    …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…

    $784.99 Regular Price: $

    …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 with the body design. The pump…

    $649.99 Regular Price: $
    Out of Stock

    …to regulate the water level in 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.…

    $199.99 Regular Price: $
    Out of Stock

    …shut-down. When the reeds inside our switches are exposed to this kind of "spiking voltage" they can overheat and become deformed. In some cases they may even weld together or break off, causing the switch circuit to remain closed (or open) regardless of the level of the float. Deformed reeds can…

    $16.99 Regular Price: $

    …shut-down. When the reeds inside our switches are exposed to this kind of "spiking voltage" they can overheat and become deformed. In some cases they may even weld together or break off, causing the switch circuit to remain closed (or open) regardless of the level of the float. Deformed reeds can…

    $28.99 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: $

    …is nearly priceless.   The included Dual Float Switch assembly plugs directly into the I/O port of the Apex head unit and provides a bracket with two water level float switch sensors. The two float switches can be adjusted to your desired water depth and positioned to provide…

    $249.95 Regular Price: $

    …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…

    $759.99 Regular Price: $

    …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…

    $921.99 Regular Price: $

    …get optimal waste removal. On top of that, these skimmer pumps include a float switch that allows you to shut the skimmer pump off when the waste collector is full, or if your sump has reached a high or low water level.    Ideal Replacement Skimmer Pump for: * Classic…

    $247.99 Regular Price: $

    …get optimal waste removal. On top of that, these skimmer pumps include a float switch that allows you to shut the skimmer pump off when the waste collector is full, or if your sump has reached a high or low water level.    Ideal Replacement Skimmer Pump for: * *…

    $372.99 Regular Price: $

    …250-ml (~8 fl. oz.) of aquarium water in a clean container prior to addition to aquarium. If using a pipette to dispense MicrBacter7 below water level of container or aquarium, be sure to thoroughly clean pipette with fresh water prior to placing tube back into MicrBacter7 bottle; failure to do so…

    $6.99 Regular Price: $

    …perceived damage to filter bed. Then add 5 ml per half hour until ammonia levels come down.   Ongoing care after the aquarium is cycled To provide ongoing biological stability to a cycled aquarium: Switch to MicroBacterClean after tank is fully cycled and one week has elapsed.…

    $12.99 Regular Price: $

    …for water-level sensors on an aquarium. They can help you 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…

    $99.95 Regular Price: $

    …Each ATO reservoir has two 0.25” OD holes for tubes to be plumbed through, or wires for float switches. The Sapphire, Ruby, and Emerald line of ATO reservoirs have laser engraved water level markings so you can monitor how much water your tank is using. Dimensions: 6” long…

    $124.99 Regular Price: $