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    …hole in your sump, prefilter or aquarium. * 2. Remove the white nylon nut from the threaded probe. * 3. Insert the probe through the hole. Be sure to have the silicon ring on outside wall. * 4. Tighten the nut onto the inside wall over the probe. Be sure seal is tight. …

    $119.99 Regular Price: $

    …magnet is encased inside the float * 48" leads (22 gauge wire) offer project flexibility   M8 fitting – includes a nut and sealing O-ring   Note: Don’t use in heavy duty applications like sewage pumps.   A pump rated at just 5 watts…

    $10.99 Regular Price: $

    …Float magnet is encased inside the float * 24" leads (22 gauge wire) offer project flexibility * 1/8" NPT tapered fitting - Now includes nut! Certifications: UL, CSA, NSF   Note: Don’t use in heavy duty applications like sewage pumps.   The wires…

    $16.99 Regular Price: $

    …bulkheads: * O-Rings are 2X as thick as ABS O-Rings * Schedule 80 construction will far outlast ABS * Reliable seams * Flange and nut side are very easy to grip   When measuring for bulkheads, you will need a hole in your tank that is slightly larger (1-3mm)…

    $12.99 Regular Price: $

    …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   Mounts with wires outside of chamber.   Horizontal Mount…

    $15.99 Regular Price: $

    …1.4" * Flange to float tip measurement is 5.7" - Inlet adds approximately 1" to overall length * Comes complete with jam nut, sealing washer, JACO compression nut and polyethylene float * Hardware made with 18-8 stainless steel * Bodies made of NSF approved PVC * Replaceable…

    $15.99 Regular Price: $

    …off. In this way, the only current handled by the float switch is that small amount required by the relay coil. Please consult with your relay supplier to assure that the relay current requirements are well within the specs of the float switch. M8 fitting – self sealing. Now includes nut.

    $28.99 Regular Price: $

    …screwed and unscrewed for replacement of maintenance. The true union check valve is specially designed to be disassembled by unscrewing the nuts in line leaving the tail pieces solvent cemented to the pipe. This true union allows you to remove the body for repairs, or cleaning, even…

    $16.99 Regular Price: $

    …the ceiling or wall brackets over your aquarium. Each hanging kit includes everything required to hang a Maxspect Razor X5 LED Lights.    What's Included? 2x Hanging Cables 2x Eye hooks 4x Machine Screws 4x Machine Nuts 4x Blind Nuts 2x Wall Anchors

    $14.99 Regular Price: $
    Out of Stock

    …18" End Plates. * 24" Endcap Set - Fits Aquatic Life Hybrid Fixtures with 24" End Plates.   What's Included? * 2x Aquatic Life Hybrid End Caps * 2x Aquatic Life Hybrid Mounting End Plates * Mounting Screws and Nuts   EndCap Install Guide

    $35.99 Regular Price: $

    …bulkheads: * O-Rings are 2X as thick as ABS O-Rings * Schedule 80 construction will far outlast ABS * Reliable seams * Flange and nut side are very easy to grip   When measuring for bulkheads, you will need a hole in your tank that is slightly larger (1-3mm)…

    $13.29 Regular Price: $

    …3/4", 1" or 1.25" Tubing Power Cable Length - 6 Feet   What's Included? 1x Seltz D 3200 Aquarium Pump 1x Seltz D Pump Controller 1x 1 1/2" Tubing Adapter 1x Multi-Diameter Tubing Adapter 2x Intake Ring Nuts 1x Intake Screen Guard 1x Power Supply

    $235.95 Regular Price: $

    …bulkhead. The wet side can be easily removed for cleaning or other servicing needs, and slides back in just as easily. There are no annoying bulkhead nuts to remove in tight spaces, so you don't have to worry about completely undoing your dry-side plumbing if you need to remove the weir. This also…

    $134.99 Regular Price: $
    Out of Stock

    …What's Included? 1x Prefilter Box 1x External Filter Box 2x U-Tube 2x Bulkhead 2x Foam Cylinder Screw(s) and Wind Nut(s)   Starting the Siphon: can be done with a 1-foot piece of airline tubing. Start by filling the aquarium until water…

    $126.99 Regular Price: $

    " push connect bulkhead tank adapter. Note: These come with a plastic nut and  do not come with a gasket.  They are intended for dry applications such as running a tube through a tank stand, etc.

    $3.99 Regular Price: $

    …with Neptune FMM Module * Magnet mounts to walls up to 1/4" thick * Can be mounted vertical or horizontal   What's Included? 1x OS-1 V2 Optical Sensor with nut and washer 1x OS-M Optical Sensor Magnetic Mount   Note: FMM Module required for use.

    $34.95 Regular Price: $

    …warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel. Included are a fastening nut and silicone washer.    What's Included? 1x OS-1 V2 Optical Sensor with nut and washer

    $24.95 Regular Price: $

    …Connecting the Tunze CO2 Regulator to your bottle only takes a few seconds. Just close the pressure adjustment valve all the way, screw the union nut onto the cylinder, connect your favorite solenoid, and then set your working pressure with the pressure adjustment knob. It is recommended to start…

    $111.43 Regular Price: $
    Out of Stock

    …1.4" * Flange to float tip measurement is 5.7" - Inlet adds approximately 1" to overall length * Comes complete with jam nut, sealing washer, JACO compression nut and polyethylene float * Hardware made with 18-8 stainless steel * Bodies made of NSF approved PVC * Replaceable…

    $16.99 Regular Price: $

    …over tightening. * Slide compression nut on RO tube. * Slide on compression sleeve. Note that the sleeve is narrower on one end. Narrow end should be away from valve. * Insert brass insert into tubing end. * Tighten compression nut to valve to attach tubing. Do not over…

    $7.99 Regular Price: $

    …is encased inside the float * 24" leads (22 gauge wire) offer project flexibility * 1/8" NPT tapered fitting - does not come with a nut Certifications: UL, CSA, NSF   Note: Not for use in heavy duty applications like sewage pumps. A pump rated at just…

    $16.49 Regular Price: $

    …Power Cable Length - 6 Feet   What's Included? 1x Seltz D 2400 Aquarium Pump 1x Seltz D Pump Controller 1x 3/4" Tubing Adapter 1x  1" Tubing Adapter 1x 1 1/4" Tubing Adapter 2x Intake Ring Nuts 1x Intake Screen Guard 1x Power Supply

    $206.95 Regular Price: $

    …bulkhead. The wet side can be easily removed for cleaning or other servicing needs, and slides back in just as easily. There are no annoying bulkhead nuts to remove in tight spaces, so you don't have to worry about completely undoing your dry-side plumbing if you need to remove the weir. This also…

    $99.99 Regular Price: $

    …What's Included? 1x Prefilter Box 1x External Filter Box 1x U-Tube 2x Bulkhead 2x Foam Cylinder Screw(s) and Wind Nut(s)   Starting the Siphon: can be done with a 1-foot piece of airline tubing. Start by filling the aquarium until water…

    $169.99 Regular Price: $

    …suggest placing one between the inner overflow box and the aquarium. The other gasket should be placed between the external box and the bulkhead nut.    Specifications: Max Flow Rate - 600 GPH Max Tank Size - 75 Gallons Total Dimensions - 6" L x 3" D x…

    $132.99 Regular Price: $
    Out of Stock

    …suggest placing one between the inner overflow box and the aquarium. The other gasket should be placed between the external box and the bulkhead nut.    Specifications: Max Flow Rate - 800 GPH Max Tank Size - 100 Gallons Total Dimensions - 8" L x 3" D x…

    $145.99 Regular Price: $

    …Power Cable Length - 6 Feet   What's Included? 1x Seltz D 1600 Aquarium Pump 1x Seltz D Pump Controller 1x 3/4" Tubing Adapter 1x  1" Tubing Adapter 1x 1 1/4" Tubing Adapter 2x Intake Ring Nuts 1x Intake Screen Guard 1x Power Supply

    $186.95 Regular Price: $

    …NPT plastic nut will work with the vertical Deluxe Madison Float Switch and the Float Switch with Splash Guard. If you have ever tried to find a 1/8" NPT plastic nut they can be very hard to find locally or even online. We have found a reliable source for these particular nuts that are compatible…

    $0.99 Regular Price: $

    …Place the O-rings onto the threaded bulkhead fittings and fit the INOUT onto the exterior side of your aquarium. Secure the INOUT with the included nuts hand tight (do not overtighten). Attach the overflow grid and plumb the drain and return fittings with your favorite type of soft tubing. The…

    $99.11 Regular Price: $

    nuts can be tough, especially when they are in the back corner of your tank. Barr Aquatic's Nut Tool is perfect to slip over the bulkhead nut and give you a textured surface to turn. The 3D printed bulkhead nut removal tools work with most ABS bulkheads that have a 6-sided retaining nut. No…

    $10.00 Regular Price: $

    Replacement spindle nut 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.

    $3.49 Regular Price: $

    …This kit mounts to a single point on each end of the Razor T5 fixture allowing you to suspend it from your ceiling or any type of wall brackets (we prefer Giesemann Wall Brackets).    What's Included? 2x 58" Cables 2x Insert Nuts 2x Pinch Locks 2x Cable Caps

    $39.99 Regular Price: $