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Drain Products: Air-Gap Adapters
Drain II Air Gap Adapters
Drain II Air Gap Adapters
G.A. Murdock's Drain II Air Gap Adapter provides a splash-free dual air gap connection for installing up to 2 effluent producing water systems. The Drain II has the following features:
- Constructed of NSF approved PVC
- Mur-lok® Fitting for quick installation
- 45º Barb fittings for optimal drain line connections
- Connects to 1/4", 3/8", 1/2" OD RO drain line
- Connects to 3/8", 1/2", 5/8" ID water softener drain line
- Easily attaches to either 1.5" or 2" Standpipes
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Item NumberMaterialTop PortSide Port  
M3208007White PVC1/2" Mur-lok®None 
M3208047White PVC1/2" Mur-lok®1/4" Mur-lok® 
M3208067White PVC1/2" Mur-lok®3/8" Mur-lok® 
M3208107White PVC1/2" Female NPTNone 
M3208147White PVC1/2" Female NPT1/4" Mur-lok® 
M3208167White PVC1/2" Female NPT3/8" Mur-lok® 
M3208046Black ABS1/2" Mur-lok®1/4" Mur-lok® 
M3208066Black ABS1/2" Mur-lok®3/8" Mur-lok® 
M3208006Black ABS1/2" Mur-lok®None 
Barbed elbow adapters for drain tubing must be purchased seperately.


45º Barbed Elbows for Drain II
45° Barbed Elbows for Drain II
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Item NumberStemBarb   
N08606471/2"3/8" Hose Barb 
N08608471/2"1/2" Hose Barb 
N08610471/2"5/8" Hose Barb 
Click here to view straight barb connectors


Eco-tech DLA-G Drain Line Adapter
Eco-tech DLA-G Drain Line Adapter
The DLA-G Multipurpose Airgap Drain Line Adapter is designed for residential and commercial water softeners and RO's. The DLA-G provides a true airgap for all Schedule-40 DWV standpipes.. Kit Includes:
-1 x Drain Line Adapter with Quick Connect Push-In Connector or Barb
-1 x 1.5" Schedule-40 (Hub x Male Pipe Thread) Trap Adapter
-1 x 1.5" Schedule-40 (Spigot x Male Pipe Thread) Trap Adapter

-1 x 1.5" Slip Joint (SJ) Wing Nut
-1 x 1.5" Slip Joint (SJ) Beveled Washer
-1 x 1.5" Nitrile O-Ring (for optional use)
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Item NumberModel #Description    
ETG38QCPDLA-G-38QCP3/8" QC w/ PVC trap adapters 
ETG50BPDLA-G-50BP1/2" QC w/ PVC trap adapters 
ETG58JPDLA-G-58JP5/8" QC w/ PVC trap adapters 


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