The MHR20 Series is a fully Automatic Hydraulic Rain / Mains water changeover device designed for pressure pump supply systems in harvesting rainwater for the toilet, laundry and household applications with automatic mains backup.
The MHR20 Valve is designed to operate with an electronic pressure controller with auto restart not requiring a float switch. This design makes the MHR20 System very simple to install.
The MHR20 Valve comes with 3/4” outlet, which makes the system ideal for domestic applications. Certified to: WaterMark ATS 5200.477 WMK 60075 Complies with AS/NZS 3500.1 when installed by a licensed plumber.
Note: Should the static mains supply be greater than 400 kPa above the supply pressure of the pump the device will not completely isolate mains water
- Max mains pressure 500 KPa
- Max pump pressure 600 KPa
- Max Flow rate 70L/min
- Rainwater Inlet 25mm 1” BSP F
- Mains Water in 20mm 3/4” BSP F
- Outlets 20mm 3/4” BSP F