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Bottom Drains for Ponds

  No matter how small your pond installation, it is always to your minimum-maintenance advantage to install a pond bottom drain or bulkhead fitting as a drain to which an inlet screen can be added.

If the installation does not permit this drain to be gravity fed away from the pond, it can always be connected to the suction side of a pump. Even if you do not plan to install a filter system right away this plumbing line can be capped for eventual hookup.

If you do not have drain plumbing, you can use the Aqua Art Retro-Drain.

Additional installation information regarding RetroDrain plumbing

Connecting a RetroDrain to a niche skimmer

  Aqua Art Retro-Drain with Air Diffuser Option for Larger Retro-Drain
Also Available for Conventional Bottom Drains such as our Spin Drain D183

Aqua Art Retro-Drain

How to Install
Aqua Art Retro-Drain
Easy Installation/Minimum maintenance
Handles high volumes of water, easily
For Ponds 1400 to 10,000  gallons
       For smaller size drain, see D514 below
Multiple option pipe sizes - 1 1/2, 2, 3, or 4"
         **
See information below

Low profile vortex design, 15" diam x 6" h
Balanced water velocity entrance rate
Durable ABS plastic construction
Compatible with Matala™ filter media
Ideal for gravity fed filter systems
Extended feet for unsurpassed stability

Products on this page marked with * are exceptions to free shipping.
Example UPS for (1) Retro-Drain shipping from CA to MA Zip Code 02576

D1410 Aqua Art Retro-Drain *
89.95

See additional views of Aqua Art Retro Drain


** 1 1/2, 2, 3, and 4" Multi Option Pipe Adapter
included with Aqua Art Retro-Drain or
Purchase separately
 

Aqua Art pipe adapter accepts 1 1/2, 2, 3, and 4" pipe sizes; can be used as a pipe reducer bushing; black ABS; space conserving at only 2 3/4" long.

Easily cut to size 2" or 3" with a PVC handsaw or a hacksaw. In photo at left, the adapter is being cut for the 3" port size.

PVC or ABS plastic pipe slip fits into the inside diameter of the given port size used, just as any PVC fitting would be glued.

D1410A Multi Option Pipe Adapter
7.95
[Buy]

Aqua Art Retro-Drain - Small

How to install an
Aqua Art Retro-drain
Easy Installation/Minimum maintenance
Handles high volumes of water, easily
For Ponds 500 to 1400 gallons
Multiple option pipe sizes - 1 1/2, 2, or 3"
Optional Turtlehead (shown below)
Low profile vortex design, 11" diam x 5" h
Balanced water velocity entrance rate
Durable ABS plastic construction
Compatible with Matala™ filter media
Ideal for gravity fed filter systems
Extended feet for unsurpassed stability
30% smaller than model D1410
 D514     Aqua Art Retro Drain - small *

 81.50

 [Buy]

Turtlehead option

As above, plus:
Optional Turtlehead shrouds pipe adapter
"Looks like a turtle on the bottom of your pond"

 D514SP    Aqua Art Retro Drain *
                With optional Turtlehead
89.95  [Buy]
 D514TH  Turtlehead for our small size Retro-Drain
            Easy to retrofit if you have one of our D514

 17.95

 [Buy]

Helpful Articles and Illustrations RegardingAqua Art RetroDrains

Using Aqua Art RetroDrian with Niche Skimmers or Settling Chambers - Gravity Feed

Installing an Aqua Art Retro Drain - Using Mid Size Open Air/Submersible Type Pump

Aqua Art RetroDrain Installation Illustrations

Managing Problems of "Loose Rock" Style of Pondbuilding

 Small Aqua Art Retro-Drain -
              Set Up as Conventional Drain with Tabs

 C514CF   Conventional Drain Kit Setup
      For use in Fiberglass Pond Shells
109.00   [Buy]

 Instructions for Installation

"Super Flex Pipe" Installation Option

Although we continue to recommend using rigid pipe plumbing for all Retro-Drain installations, (see instructions with each drain) we now offer a partial option.

Using "Super flex pipe" for the Aqua Art Retro-Drain will provide a faster final plumbing set time. It also aids in installing Aqua Art Retro-Drains with partially water filled ponds (with fish present) as gluing and pipe fitting under water can be very challenging.

See more information...

Tetra Bottom Drain...Vacuum Retrofit

No longer carried. See Aqua Art Retro-Drain above



D172C 2 " side & bottom port drain with grate, grey
                      for concrete ponds
  35.00 [Buy]

Fixed Position Dome Drain

Mid Water Intake

2" 90° elbow, sch. 80
with metric to SAE adapter
shim pre-glued in fitting

This Mid water intake is intended for liner pond side wall mounting. Typically used on ponds in colder climates which are set up to operate throughout the year. The pond keeper switches (via control ball valves) from primarly bottom drain suction to these side wall intakes during the cold winter months . This allows for temperature stratifiction of the water column, providing bottom pond temperatures to remain relatively warmer. Can also be used on our fiberglass pond shells, all models.
The intake can also be used as a bottom drain on our smaller fiberglas model pond shells.

fixed gap of 3/8"
recomended maximum flow rate of 1500GPH
dome diameter 7"
dome height 3/4"
hole size 2 1/2"
bulkhead flange diameter 5"
stack height 4 1/4"

MWI290 2" Mid Water Intake 89.00 [Buy]
D390 3" Drain with fixed Dome,
Looks the same as MWI290
129.00 [Buy]


Mini Bottom Drain

 

O 1 1/2" ported adjustable dome mini bottom drain.
O 2" ported adjustable dome mini bottom drain.

Infinitely adjustable dome height. This drain is a miniaturized version of D174, D179, D183 (less aeration feature)

O O.D. Flange 7 3/4"
O I.D. Flange 4 3/8"
O Lock ring width: 1 5/8"
O Stack height of pot: 3 3/8"
O Dome diameter: 10"
O Dome height: 1"
O Pot depth: 3"
O Black ABS plastic construction
O Stainless steel screws secure lock ring

TEC195 1 1/2" ported adjustable dome mini bottom drain 79.00 [Buy]
TEC222 2" ported adjustable dome mini bottom drain 98.00 [Buy]
TFG195 1 1/2" ported adjustable dome mini bottom drain
Modified to bolt to our Heavy Duty Fiberglass Pond
109.00 [Buy]
TFG222 2" ported adjustable dome mini bottom drain
Modified to bolt to our Heavy Duty Fiberglass Pond
115.00 [Buy]

Tetra Bottom Drain

    

Tetra Bottom Drain - 3" bottom port plumbing hook up; can be used on prefabricated fiberglass; provides debris removal from pond floor, intended for flexible liner ponds; black

   How to Install a Tetra bottom drain in a flexible liner
       
 D181         3" Tetra Bottom Drain  86.50 [Buy]
D181RG     Replacement gasket for D181 7.00 [Buy]

D170  Koi Toilet

219.00 

[Buy]
Air membrane pad is an integral part of the drain dome. Air is fed through a 1" pipe threaded port in the bottom of the drain. Air is fed through the dome standpipe. All other aspects of the drain are similar or the dame as the spin drain. Drain port is not a tangential feed. Air pump not included. Suggested air pump 40 to 60 liters per minute. See Air pumps

 4" Spin Drain for Liner:

SPIN DRAIN, BOTTOM DRAIN PHOTO
Dome cover 15" diameter, 2 1/4 " dome height
Cylindrical shaped sump; 8 1/2"diameter; 6" depth;
O.D. of bottom drain top flange 11 3/4"
4" side port plumbing hook up; port has unique off-set tangential suction position creating a gentle vortex swirling action of waste to the drain.
Dome position relative to the liner/floor of pond is infinitely adjustable allowing for an entrance gap of your choice.
Unit comes with installation instructions, 1 oz. silicone & metric to SAE PVC coupling;
Unit is black.
D183 4" Spin Drain  139.00 [Buy]


Bottom side view

Top of dome

D183RDM Replacement Dome comes with female metric 50mm recepticle for existing metric standpipe. (Standpipe not included)
47.00
D183RDS Replacement Dome comes with female SAE 1 1/2" recepticle for existing SAE standpipe. (Standpipe not included)
39.00

 

4" Drain

This drain is virtually identical to the above drain except for pipe connection and tangential feed port

The current version  of this drain is black. The drain comes with a fernco 4" rubber coupling to attach to a 4" plumbing line.

D174 4" Drain   Reg 95.00 on sale 79.00 [Buy]
 
Sold Out
 

Metric to SAE Adapter

Metric to SAE pipe adapter allows for transition between metric pipe and American pipe (SAE). Useful when installing filters such as:

• Nitritek • OASE • Bioforce
• Litek / PRF / Aqualink • Early Evolution Aqua  
• Early (Pre 2011) Biosteps 10 Matala  
• Many / Any other filters from Europe using metric plumbing
• Extending / Repairing Koi pond conventional bottom drains with metric standpipe / dome support pipe: made in Europe such as OASE

C151 Metric Adapter     1.5 inch spigot x 50mm slip

50 mm metric pipe is close in dimension to 1 1/2" pipe. If you glue on a coupler to the American side of this fitting you'll have a 1 1/2" slip socket by 50mm slip socket adapter.

C151 Metric Adapter 1.5" x 50mm 5.75 [Buy]

C152 Metric Adapter     2 inch spigot x 63mm Slip

63 mm metric pipe is close in dimension to 2" pipe. If you glue on a coupler to the American side of this fitting you'll have a 2" slip socket by 63mm slip socket adapter.

C152 Metric Adapter 2" x 63mm 8.75 [Buy]

 3" PVC bottom drain (for concrete ponds only)

 
Outside dimensions: 13.5" deep, 7.5" diameter, removable grate size 9" square,
3" side port located 8.5" from top of grate on sidewall of sump,
Slip socket external 3" port with female pipe thread inside of sump for easy isolation with threaded plug
Bottom of sump has one 1.5" threaded female port, one 2" female threaded port. These ports can be used for additional pump suction lines or gravity feed lines to filter system.
White pot with black grate
D175        3" PVC Drain for Concrete

 289.00

[Buy]

4" or 6" Fiberglass Bottom Drain (for concrete ponds only)

  
Outside dimensions: 12" x 12", removable grate 12" square
4" or 6" side port located 6.25" from top of grate on sidewall of sump
Slip socket external 4" or 6" port with female pipe thread inside of sump for easy isolation with threaded plug
Bottom of sump has one 2" threaded female port. These ports can be used for additional pump suction lines or gravity feed lines to filter system.
Black pot, black drain
D176 4" Drain for Concrete   319.00 [Buy]
D178 6" Drain for Concrete   329.00 [Buy]
 

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