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Rainbird DB18S2 18" Square Drainage Catch Basin 2 Outlets

SKU: 296112

Save 50% · Retail: $304.98

  Available to Ship in 1-2 weeks

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About the Rainbird DB18S2

Rainbird DB18S2 18" Square Drainage Catch Basin 2 Outlets. This is a 18" Square Drainage Catch Basin formed out of High Density Polyethylene, a heavy duty plastic, which is used to collect and discharge water to avoid any possible damage to your property. Basin is available with 1 to 4 openings. Basin has an optional opening in the bottom of the basin to drain the sump, just cut holes out along the perforations. Drainage Basin is designed to fit 3-4" Sewer, Drain, Corrugated and Triple Wall Pipes. Additional features include a Basin Adapter that allow the Basin to connect to 6" pipes, and plugs to cover any unused openings. Basin accepts Square Flat, and Square Atrium Grates.

Product Details

Product: Parts and Accessories
Manufacturer: Rainbird
Use: Drain Waste and Vent
Mpn # DB18S2
Weight 17.00 lbs.

Product Features

  • Manufactured from High-Density Polyethylene (HDPE)
  • Includes four screw holes to enable grates to be secured to basin
  • Made in the USA
  • UV stabilized to protect from sun degradation
  • 12" and 18" basins have two or four outlets plus an optional perforated outlet at the bottom of the basin
  • Use a 3" and 4" Basin Adapter to connect basin to 3" or 4" Corrugated Pipe and 3" or 4" Triple Wall Pipe
  • Use a 6" Basin Adapter to connect basin to 6" PVC Pipe (ASTM D2729 and ASTM D3034, SDR 35) and 6" Corrugated Pipe
  • Use a Basin Plug to plug unused outlets
  • Use 9" or 12" Square Basin Riser(s) to extend height of 9" and 12" Square Catch Basins by 6" in height, respectively
  • Accepts 9", 12" or 18" Square Flat and Square Atrium Grates
  • Includes a sump to allow sediment to settle in basin to minimize clogging of pipes


4.5 out of 5 rating is our rating for PlumbersStock, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

Questions & Answers


Hello, RS! To get an estimated cost and to further assist you in ordering this Rainbird DB18S2 18-inch Square Drainage Catch Basin along with the auxiliary items you need, just contact one of our customer service representatives at 435-868-4020 between 8:00 AM and 7:00 PM MT, or if E-mail is your preferred method of contact, you can email them at and they will be happy to assist you. Thank you for visiting! Have a good day!


Good day! In response to your inquiry about the Rainbird DB18S2 Drainage Catch Basin, this square catch basin is 5 inches deep. Its dimensions are 18 x 18 x 5 inches. If you're interested in purchasing the Rainbird DB18S2, simply click "Add to Cart" and enter the required information and you'll be all set. Please don't hesitate to contact us if you have any further question about this catch basin. We thank you for choosing Have a joyful day!

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