Acquasaver RM1500-2 Rain to Mains Valve

The RM1500-2 is an automatic hydraulically operated mains to rainwater changeover valve.

It is ideal for rainwater harvesting – switches from mains to tanks whenever tank water is being pumped and automatically defaults to mains in the event of a power or pump failure.

MEASUREMENT Specification
Max Mains Pressure 1000kPa
Min Pump Pressure 350kPa
Max Flow Rate (L/MIN) 100
Outlet 25mm / 1″ FBSP
Rainwater and Mains Inlet 25mm / 1 “ FBSP

$572.00 inc. GST

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SKU: Acquasaver RM1500-2 Categories: ,

This unique valve comes with dual 1″ outlets, giving the user flexibility in both domestic and commercial applications. This product must be used with pumps with an auto restart pressure controller.

Features and Benefits

  • Simple and easy to install
  • Full flow 25mm/1″ outlets
  • Minimal pressure reduction
  • No regular maintenance required
  • Suitable for external and submersible pressure pumps
  • No float required on auto restart pumps
  • Can be mounted directly onto external pumps
  • Certified dual check valve for back flow prevention
  • Maximum water temperature 40°C
  • Dual outlets (use one or both)
Download Brochure Download Installation Guide

IMPORTANT: Must be used with a pump shut off controller and float switch for suction lift applications and when used with RHMS and VSRE pumps
** IMPORTANT NOTE: If the mains pressure is 400kPa above the normal operating pressure of the pump, the device will not completely isolate the mains. A pressure reduction valve will need to be fitted to reduce the mains pressure.


  • Whole house supply up to 6 bathrooms*
  • Toilet blocks*
  • Garden irrigation*
  • Ablutions blocks*
  • Hotels & motels*
  • Factories & warehouses*
  • Units & complexes*
  • Council parks irrigation*

*Check specifications required


  • Nickel plated DZR brass components
  • No electrical components – 100% Hydraulically operated


Download Brochure Download Installation Guide

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