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The ET112-001 is a reverse osmosis water filter drain line adapter. It is designed to connect discharge 1/4- inch tubing from a RO filter to the drain. The ET112-001 is connected to the sink drainpipe to receive the reject water from an under-counter reverse osmosis appliance or a distillation system. The installation provides a reliable and trouble-free connection of the 1/4" discharge water tubing to the drain line.

The ET112-001 is designed for residential and commercial use. The ET112-001 is the preferred way to connect RO system to the drain line. The ET112-001 eliminates gurgling sound and provides a safe and effective way to comply with all local plumbing codes.

The ET112-001 drain adapter is listed by UPC and tested for compliance with IPC and NSF standards. br>
  • Comes with all the fittings and instructions needed for installation
  • Resists clogging for life long, trouble-free operation
  • Eliminates gurgling noise from RO system
  • No drilling into wet pipes
  • UPC Listed, IPC and NSF tested, ASTM F 409 compliant

  • 3-Way Tee
  • 1/4" push-in drain line adapter
  • (3) 1-1/2" slip joint wing nuts
  • (3) 1-1/2" slip joint beveled washer
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Manuals (2)
Product Type:


Inlet Type:

1/4" Push-In

Outlet Type:

1-1/2" Drain Pipe

Width (Inches):


Height (Inches):







Reverse Osmosis


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