Emco Wheaton PosiLock Blue G4266-201 3/4 in. BSP DEF/AdBlue Dispensing System
The EMCO Wheaton PosiLock Blue DEF System sets the standard for safe and efficient dispensing of DEF/AdBlue. Engineered with a focus on eliminating contamination risks, this system integrates a dry-break disconnect coupling, automatic shutoff, and vacuum protection for a seamless refueling experience. With no need for tank modifications or extensive training, it’s an ideal choice for retrofitting or new installations in diesel transit buses, rail systems, and off-road vehicles.
Applications: Transit Buses, Rail Systems, Off-Road Vehicles, Heavy Diesel Equipment








