HJ400 - 750 W motor, cast iron

$625.00 each
Pressure Control

No stock

The HJ range of cast iron jet pumps are reliable high-performance water pressure pumps. They are ideal for most medium to high water demand house and farm applications.


  • Completely rebuildable - economically priced spare parts available
  • Pump body is manufactured from noise absorbing cast iron with nylon pump internals and stainless steel shaft
  • 1 year warranty on pump only & pressure switch package / 2 year warranty on Pressmatic pump package
  • Reliable 750 W TEFC motor
  • 360 degree swivel connector included - allows pump to rotate at coupling, simplifying installation



  • Pressmatic (PM15) Controller: Digital pump controller starting pump at 150 kPa and turning pump off when the flow rate reaches a pre-set minimum (about 5 Litres/minute). Controller features Loss of Prime (dry running) protection, and inbuilt non-return (check) valve. FREE POSTAGE on the HJ400-PM pump.

  • Pressure Switch model: Pump is turned on and off by the pressure switch, and an 18 L (PWB18) pressure tank is also included to reduce cycling. A non-return (check) valve is also included. A larger or smaller pressure tank can be substituted if desired.
    Please note: for larger pressure tanks, a brass Tee fitting (WK10) is used to replace the standard (WK50) plastic fitting.

  • No Pressure Control: this is the bare pump with lead, without pressure control nor non-return valve.
    FREE POSTAGE on the HJ400 pump.



Pressmatic: 73 Litres/minute output at 21 psi / 150 kPa (at no suction head)

Pressure Switch & Pump without Pressure Control: 82 Litres/minute output at 21 psi / 150 kPa (at no suction head)



  • Large size house (with multiple bathrooms), garden or farm
  • Clean water with minimal debris
  • Ground level and underground tanks, dams and creeks to a depth of 6.7 metres
    (please see the Pumps FAQ section for information about practical suction depths)
  • This pump makes a good pump for tank filling from creeks or dams

Similar pump performance to Onga JSP120/JSK120, SSHP50 & JJ400, Davey HM60-06 & HS50-06, and Grundfos CH2-50 & JP6.


Please note that specifications may change without notice and without incurring liability.