REEFE External Pump RM4000-3 PRJ55E with RMV3550

Suitable for: Small Sized Homes | 1 Bathroom

The RainPro® RM4000-3 system is designed for speed of installation – The Rain Mains has no cables, no float, no solenoid, no electronic controls. The RM4000-3 restricts flow of mains supply while rain water is being pumped to help conserve water. This system is suited for applications supplying laundry and toilets, and is also suitable for cabins or small houses with one bathroom.

MEASUREMENT Specification
Flow (L/MIN) 52
Head (M) 31.5
Taps 2-4
Size L x W x H (MM) 320x160x460

$904.00 inc. GST

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SKU: REEFE External Pump RM4000-3 PRJ55E with RMV3550 Categories: ,

Warranty: 2 Years

  • Rains to Mains switch over system allows mains water to flow if tank water is unavailable, and restricts mains flow if tank water is sufficient
  • Mains flow up to 50L/Min
  • Valveset is 100% hydraulic – no electronics
  • Reliable, efficient power-saving performance
  • Automatic pressure controller giving consistent pressure supply, automatically checks for water every 24 hours after a run dry event
  • Run dry protection and thermal overload protection for the pump
  • Certified to AS/NZS4020 for potable water
  • WaterMark certified, includes dual check valve on mains
  • WaterMark #022109


  • Domestic toilet & laundry
  • Small house / cabin / granny flat (1 bathroom)
  • Small commercial / industrial*
  • Garden irrigation*

* Check specifications required


  • Stainless-steel casing and shaft
  • Carbon/ceramic mechanical seal for reliability
  • Quick plug pressure controller connection
  • Ingress Protection IP44
  • Insulation Class F


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