Dometic VG4 / JW12 Vacuum Generator


Dometic VG4 / JW12 Vacuum Generator

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Dometic VG4 / JW12 Vacuum Generator is the most efficient water and power consumption among  Marine heads. The J-series vacuum generators are easy to install.  The intake and discharge capabilities and compact size allow a variety of installations to fit in almost any vessel. The Dometic VG4 /JW12 Vacuum Generator is offered in both 12 Volt and 24 Volt. The larger 2″ Duckbill Valves allow the VG4 to regenerate vacuum up to 33% faster than the VGII or VG III. The larger duckbills are also less prone to clogging than the 1.5″ duckbills used in these predecessors.


  • 12 Volt (8amp) DC or 24 Volt (4amp) DC models
  • Ultra-quiet: remotely installed outside of head compartment
  • Adjustable components accommodate diverse layouts
  • Pre-assembled and wired vacuum pump and vacuum tank
  • Large valves for enhanced flow
  • self-priming up to 50′ horizontal and a 6′ lift

VG4 Instructions

Additional information

Weight 20 lbs
Dimensions 23 × 16 × 12 in

12 Volt, 24 Volt


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