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RM4000-4 PRJ55 Pump with RM1600-2 Valve

RM4000-4 PRJ55 Pump with RM1600-2 Valve

The RainPro® RM4000-4 system with RM1600-2 valve is a 20mm system with minimal pressure loss on the Mains supply, and is designed for speed of installation - The Rain Mains device has no cables, no float, no solenoid, no electronic controls. The simplicity of this system has the added benefit of making it very affordable. The RM4000-4 stops flow of mains supply while rain water is being pumped to help conserve water. Refer to the data table below to choose the pump sizing according to the house size and number of bathrooms.


CODE 22764
MODEL RM4000-4 with PRJ55 Pump and RM1600-2 Valve
AMPS 2.5 P1 (kW) 0.65
P2 (kW) 0.37 MAX FLOW (L/MIN) 60
MAX HEAD (M) 34 SIZE LxWxH (MM) 330x180x470
HOUSE SIZE & BATHROOMS Small | 1 Bathroom

Features & Benefits

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 flows up to 50L/Min
Valveset is 100% hydraulic – no electronics
Watermark certified, includes dual check valve on mains
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 use with potable water


High quality European Made pressure pump
Supplied with RM1600-2 Changeover valve
Stainless-steel casing and shaft
Carbon/ceramic mechanical seal for reliability
Ingress Protection IP544
Insulation Class F
Quick plug pressure controller connection


Bathrooms & Laundry
Whole house – refer to the data table below for sizing
Small commercial / industrial*
Garden irrigation*
Toilet blocks (up to 6 fixtures)*
Construction / mine site offices*

*Check specifications required

Having difficulty finding the right product?

Call our friendly team on 1800 807 604 for assistance


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