The Runxin F69A3 valve head automatically controls the volumetric regeneration of a water softener and supports four operating modes, from delayed or immediate regeneration to intelligent capacity calculation. The interlock function allows 2–3 valves to be combined, with only one regenerating or backwashing at a time to maintain the water supply. The LED display dynamically shows processing status and provides readings for remaining cubic metres, regeneration time, date and time, and hourly flow rate.

Sealing is provided by an Al₂O₃ ≥95% ceramic disc, while the valve head has a flatness of ≤0.0003 mm. Up-flow regeneration is supported.

• Type: Valve head
• Volumetric operating modes: A-01 (delayed), A-02 (immediate), A-03 (smart delayed), A-04 (smart immediate)
• Water flow rate: 2.9 m³/h
• Operating pressure: 0.15–0.6 MPa (1.5–6 bar)
• Water temperature: 5–50 °C
• Ambient temperature: 5–50 °C
• Inlet/outlet: 3/4" male
• Drain connection: 1/2" male
• Riser pipe connection: 1.05" OD (27 mm)
• Brine tank connection: 3/8" male
• Tank diameter: 6–12"
• Power supply: AC 100–240 V, 50/60 Hz
• Transformer output: DC 12 V, 1.5 A
• Sealing: Al₂O₃ ≥95% ceramic disc
• Flatness: ≤0.0003 mm
• Regeneration type: Up-flow
• Interlock function: Combines 2–3 valves, with one regenerating or backwashing at a time