Multi-Port Drain Adapter
Applications Requiring Air Gaps
For connections that require air gaps, a patented DrainGap® Multi-Port Drain Adapter with a first-of-its-kind, two-stage integrated air gap ensures code compliance and minimizes splashing for up to four drain connections—saving space, cost and time.
Connections & Materials
- 100% lead-free
- 1/2" female NPT threaded inputs
- Durable, non-corrosive Schedule 40 PVC
- Installs vertically almost anywhere needed
- Different models accept 1-1/2” pipe, or use 2”, 3” or 4” couplings (not included)
- Resists Chlorine and Chloramine corrosion
- Resists hardness and scale buildup
Industries & Typical Applications
- Residential, commercial & light industrial
- Food service & appliance drain lines
- Water treatment, softeners & general filters
- Reverse osmosis & deionization systems
- Dialysis systems







Multi-Port Drain Adapter with Air Gap
Applications Requiring Air Gaps
$ 49.00DH154-AG Standard Flow- Accepts 1.5" Pipe or 2" Coupling
- Flow rate up to 3 GPM
- Flow rate up to 3 GPM
Looking for compatible fittings?
DrainGap's ports are compatible with any 1/2" NPT threaded fitting. For your convenience, we offer a small selection of fittings for our most popular applications.
View FittingsStandards Certification & Compliance
Specifications
Material | White PVC |
Inputs | 1/2" Female NPT (Qty 4) |
Output | 1.5" Pipe or 2" Coupling |
Diameter | 4.5" 11.43 cm |
Height | 7" 17.78 cm |
Weight | 12.9 oz 365.7 g |
Max Operating Temperature | 140º F 60º C |
Max Flow Rate - Backsiphonage | 4 gpm 15.14 Lpm |
Max Flow Rate - Backpressure | 11 gpm 41.64 Lpm |
Max Operating Pressure | N/A |
Typical Medium | Water |
Vertical Orientation | Yes |
Continuous or Intermittent PSI | Yes |