Jabsco Accumulator Tank - 600ml

Model Number: J21-103
Inlet/Outlet size: 12mm
Packaging Size (cm): 18 x 12 x 11cm
Packaging Weight (kg): 0.5kg
Liquid to be pumped: Clean water
$ 145.00
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Ultra compact pre-pressurised Jabsco accumulator tank ( pressure tank ) will give you a smoother water flow, quieter operation, will save your battery power and will extend the life of your pressure pump. A must for every caravan, boat or marine pressurised water pump system!

This listing is for the Jabsco 600 ml accumulator tank.

Quality Jabsco accumulator tank will hold a store of pressurised water to reduce unnecessary pump cycling, pulsation and water hammer when installed between the pressure pump and the water tap or outlet. Usually sitting right beside the water pump. The Jabsco accumulator tank can also be used to moderate the flow to match your Hot Water Service. It can be fitted to new or existing pressure pump system installations.

Failure of a pressure switch on diaphragm water pumps can usually be attributed to excess pressure in your system. An accumulator tank also known as a pressure tank will accumulate the excess pressure resulting in a smooth hassle free system.

Some dearer pumps have built in bypass systems. The job of the bypass is to take care of any excess pressure. If for any reason you do have any of the above setup issues regardless of the pump style we advise adding a pressure tank.

Browse Water Pumps Now Australia full range of pressure tanks and accumulator tanks (600 ml to 100 litre pressure tanks).

If you are looking for a new pump for your boat or caravan click on PUMP APPLICATIONS and source by Caravan, Boat or Camping etc or if you prefer to source your pump by pump style simply click on PUMPS which will take you to choices of 12 volt or 24 volt pumps and styles available. Contact us if you require further assistance.


Recommended for coffee carts to protect your coffee machine, for food vans or in your boat or caravan. This accumulator tank is designed for use with any system controlled by a pressure switch.

  • Fully sealed
  • Easy to install and operate
  • Will align with your pumps PSI rating
  • Made from tough durable materials
  • Reliable Jabsco brand
  • Non corrosive nylon outer casing
  • Internal rubber membrane eliminates maintenance
  • Universal mounting
  • Installation Instructions included
  • Model J21-103
  • 650ml tank
  • Universal mounting
  • Supplied with integral mount bracket
  • Supplied with straight snap in port kits for 12mm I.D. hose
  • NOT for use with smart Sensor or sensor Max pumps