Runxin F63P Automatic Softener Valve
The Runxin F63P automatic softener valve is a top-mount control valve designed to automate water softening regeneration cycles, reducing manual intervention and maintaining consistent soft water delivery. It supports both timer-based (F63P1) and meter/volume-based (F63P3) regeneration logic depending on model selection, allowing flexibility for different household usage patterns.
This valve manages all key regeneration stages — including service, backwash, brine draw, slow rinse, brine refill, and fast rinse — with programmable settings and LED status feedback. A sturdy composite body with hermetic ceramic insulation ensures reliable operation, while core functions are easily reset after power loss.
It is suitable for residential water softening systems, RO pretreatment softeners, boiler feed setups, and other common softening applications where automatic regeneration is desired.
📐 Softener Tank Sizing Guide
Correct tank size ensures optimal resin capacity and fewer regenerations.
Residential Sizing Benchmarks
| Household Size | Approx Daily Water Use | Suggested Tank Diameter |
| 1–2 people | ~225–450 L/day | 6″–8″ |
| 3–4 people | ~450–900 L/day | 8″–10″ |
| 5+ people | ~900 L+/day | 10″–12″ |
Sizing Notes
- Harder water requires more resin volume for longer run times between regeneration.
- Larger tanks reduce regeneration frequency but need more space.
- Match tank and valve size for proper flow and regeneration performance. (General guidance — adjust for local conditions.)
🕒 Regeneration Timing Recommendations
Because the Runxin F63P supports both timer and volume modes, you can choose based on water usage:
Timer (Days Between Regeneration)
| Usage Pattern | Suggested Interval |
| Light/moderate usage | 3–5 days |
| Moderate usage | 2–3 days |
| Heavy usage or hard water | 1–2 days |
Volume-Based (If Using Meter Mode)
| Hardness Level | Volume Before Regeneration |
| Mild hardness | ~4 000–6 000 L |
| Moderate hardness | ~3 000–4 500 L |
| High hardness | ~2 000–3 000 L |
Notes
- Volume mode regenerates according to actual use — typically more efficient.
- Timer mode ensures regular cycles when usage is consistent.
📌 Practical Installation Advice
- Choose an appropriately sized resin and brine tank based on household size and hardness.
- Verify connection sizes (1″ inlet/outlet, ½″ drain, ⅜″ brine).
- Program regeneration logic depending on whether you choose timer or meter type.
- Monitor early cycles and adjust intervals for efficient salt use and water softness.
- Consider professional installation if unfamiliar with softener plumbing or programming.




