Description
The Runxin F74A3 automatic softener head is a high-capacity volumetric regeneration control valve designed for residential, commercial, and light industrial water softening systems. Featuring a durable ceramic sealing system and corrosion-resistant construction, the Runxin F74A3 delivers reliable performance with minimal maintenance. The valve automatically controls the complete regeneration cycle, including service, backwash, brine & slow rinse, brine refill, and fast rinse, ensuring efficient resin cleaning and consistent soft water production.
The Runxin F74A3 supports both top-mount and side-mount installation options, making it suitable for a wide range of water treatment systems. Its intelligent controller features a clear LED display, programmable regeneration settings, power outage memory, and manual regeneration capability for maximum flexibility and ease of operation.
Features:
- Automatic volumetric regeneration for efficient water softening.
- Durable ceramic sealing surfaces with excellent corrosion resistance.
- Complete regeneration cycle including service, backwash, brine & slow rinse, brine refill, and fast rinse.
- Suitable for both top-mount and side-mount installations.
- LED display for easy programming and operation.
- Manual regeneration function available at any time.
- 72-hour power outage memory retains programmed settings.
- Programmable regeneration frequency by days or hours.
- Automatic keypad lock after one minute of inactivity.
- Interlocking function for multi-valve systems.
- Remote control input and signal output connection.
- Pressure relief connection ready.
- Fully programmable operating parameters to suit different water conditions.
Specifications:
- Model: F74A3.
- Regeneration type: Volumetric (metered).
- Mount type: Top mount or side mount.
- Inlet/outlet: 2″ Female.
- Drain connection: 1″ Female.
- Brine line connection: 1/2″ Male.
- Mounting base: 4″-8NPSM.
- Riser pipe: 1.5″ OD.
- Maximum flow rate: 10 m³/h.
- Suitable tank size: 10″ to 30″.
- Operating water pressure: 0.15 to 0.6 MPa.
- Operating water temperature: 5°C to 50°C.
- Water turbidity: Down-flow regeneration < 5 FTU.
- Power supply: Input AC 100 to 240 V, 50/60 Hz, output DC 12 V, 1.5 A.
- Applications: Ion exchange equipment, residential water softeners, boiler softening systems, and reverse osmosis (RO) pre-treatment systems.
Applications:
- Residential water softening systems.
- Commercial water softeners.
- Ion exchange water treatment systems.
- Boiler feed water softening.
- Reverse Osmosis (RO) pre-treatment.
- Demineralisation systems.
- Industrial water treatment installations.
Installation:
Install the Runxin F74A3 onto a compatible 4″-8 NPSM mineral tank using the correct riser tube and distributor. Connect the inlet, outlet, drain, and brine line according to the installation manual, then connect the 12V DC power supply. Program the regeneration settings based on water hardness, daily water consumption, and system requirements. After installation, perform an initial regeneration cycle to prepare the resin bed before placing the system into service.
Why choose the Runxin F74A3 automatic softener head?
- Automatic volumetric regeneration saves water and salt by regenerating only when required.
- Reliable ceramic sealing technology provides long service life and leak-free performance.
- High 10 m³/h flow capacity for residential and commercial applications.
- Flexible top-mount and side-mount installation options.
- Fully programmable controller adapts to different water conditions.
- LED display with manual regeneration and power outage memory for easy operation.
- Ideal for water softeners, ion exchange systems, and RO pre-treatment installations.
