Overflow Valve

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    Schedule 80 Spears Gate Valves will provide smooth, lasting operation while giving your aquarium a professional look. Gate valves are used for any application that requires precise control such as skimmers or silent overflows. * Thread x Thread * Smooth long-term operation * Precise…

    $24.99 Regular Price: $
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    Our Economy Gate Valves feature Schedule 80 PVC construction and accurate flow control at an economical price. Gate valves are used for any application that requires precise control such as skimmers or silent overflows. * Slip x Slip * Accurate flow control * Long term…

    $15.72 Regular Price: $18.49
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    …Behind Aquarium - 6" * Plumbing Connection - 1 1/4" Soft Tubing (we recommend braided vinyl tubing)   What's Included? 1x OM5000 Overflow Box 1x Removable Weir 1x Priming Tube 1x Priming Tube Valve 2x Drain Valve Assembly 3x Leveling Screws

    $70.00 Regular Price: $139.99

    …highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage,…

    $20.39 Regular Price: $23.99
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    …Included? * Octo LUX T60 Aquarium * Octo LUX Cabinet Stand * Integrated Slim Overflow System * Auto UP Reservoir * Reef Octopus PVC Sump with Filter Sock * ATO Float Valve * AQ-2000 Return Pump * Reef Octopus Classic 110INT Protein Skimmer   …

    $1,282.50 Regular Price: $1,425.00
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    …siphoning. These are among the highest quality check valves to be found. Relative to other types and manufacturers of check valves, these valves create minimal pressure loss. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump…

    $14.44 Regular Price: $16.99
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    …adjustable to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $4,799.00 Regular Price: $

    …ball valve inline from your feed pump to the skimmer allowing you to control the water flow. * High-performance venturi air injection system * Modified cone neck design designed for easy transition of micro bubbles into cup * Requires a feed pump or plumbed from an overflow to…

    $207.99 Regular Price: $259.99

    Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance. * Slip x Slip * Connection must be permanently…

    $16.99 Regular Price: $19.99
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    …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 *…

    $380.24 Regular Price: $506.99

    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $2,385.00 Regular Price: $
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    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $1,615.00 Regular Price: $
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    …adjustable to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $6,175.00 Regular Price: $
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    …Light Stocked Tank - Rated up to 400 gallons   Features: * VarioS-4 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…

    $498.74 Regular Price: $664.99

    Spears makes the highest quality check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power…

    $17.84 Regular Price: $20.99
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    …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…

    $339.74 Regular Price: $452.99

    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $2,899.00 Regular Price: $
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    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $1,849.00 Regular Price: $
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    …potential messy overflows.   Note: A feed pump is required that can flow around 1.5 - 2 times the systems volume. We suggest a pump around 600-1000 GPH, and particularly like the VarioS 4 Controllable DC pump with external skimmers. We also highly recommend a gate valve to help…

    $633.74 Regular Price: $844.99

    …ball valve inline from your feed pump to the skimmer allowing you to control the water flow. * High performance venturi air injection system * Modified cone neck design designed for easy transition of micro bubbles into cup * Requires a feed pump or plumbed from an overflow to…

    $291.99 Regular Price: $364.99

    …real-estate. The Innovate Marine EXT series of aquariums include an external overflow system that does not consume any of your tanks internal volume. The solid glass overflow extends in the back, allowing room for plumbing valves, tubing, and cord routing behind the tank, and only requires a few…

    $1,700.00 Regular Price: $2,000.00
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    Schedule 80 Spears Gate Valves will provide smooth, lasting operation while giving your aquarium a professional look. Gate valves are used for any application that requires precise control such as skimmers or silent overflows. * Slip x Slip * Smooth long term operation * Precise…

    $21.24 Regular Price: $24.99
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    …Light Stocked Tank - Rated up to 700 gallons   Features: * VarioS-6 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…

    $637.49 Regular Price: $849.99

    …remove the main body of the check valve from your plumbing.  With the cost of some floors, these days and other things an overflow can damage paying a few extra bucks for quality safety precautions can save a lot of money down the line. Swiss-made check valves allow one directional water…

    $37.39 Regular Price: $43.99
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    …Stocked Tank - Rated up to 600 gallons   Features: * VarioS-6 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…

    $588.74 Regular Price: $784.99

    …Included? * Octo LUX T90 Aquarium * Octo LUX Cabinet Stand * Integrated Slim Overflow System * Auto UP Reservoir * Reef Octopus PVC Sump with Filter Sock * ATO Float Valve * AQ-3000 Return Pump * Reef Octopus Classic 150INT Protein Skimmer   …

    $1,620.00 Regular Price: $1,800.00
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    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $3,975.00 Regular Price: $
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    …potential messy overflows.   Note: A feed pump is required that can flow around 1.5 - 2 times the systems volume. We suggest a pump around 600-1000 GPH, and particularly like the VarioS 6 Controllable DC pump or Sicce Syncra Pro 1900, we also highly recommend a gate valve to help…

    $824.99 Regular Price: $1,099.99

    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $4,299.00 Regular Price: $
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    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $2,299.00 Regular Price: $
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    …adjustable for to direct the flow where you need it, and the dual drain system keeps overflows from happening like a single drain design may encounter. The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow…

    $3,899.00 Regular Price: $
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    …super easy with the Skimz OM2500, just place the hang on back overflow box onto the edge of your aquarium, and using 1 1/4" soft vinyl tubing you can plumb the box to a sump. The durso style valve lets you fine tune the overflows drain rate, making it completely silent. * Removable…

    $60.00 Regular Price: $119.99