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Runxin F65B3 Valve – 5‑Mode Automatic Softener Control, Top-Mounted, 2 m³/h

Runxin F65B3 Valve – 5‑Mode Automatic Softener Control, Top-Mounted, 2 m³/h

The Runxin F65B3 Automatic Softener Control Valve delivers trustworthy, hands-off performance for homes and small commercial water softening systems. With a durable ceramic disc seal and dual-mode regeneration (time or meter), it supports up to 2 m³/h flow and fits standard ¾″ inlet/outlet ports. Its top-mounted design includes a built-in bypass for simplified servicing and ensures no untreated water passes during regeneration.

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Product Description

Key Features – F65B3 vs. Other F65 Series

Feature	F65B3	F65B1 (Timer Only)	F65G1 (Timer, Side Mount)
Regeneration Modes	Timer & metered + delay options	Timer only	Timer only
Ceramic Disc Seal	✔ durable, leak-proof	✔ durable, leak-proof	✔ durable, leak-proof
Flow Capacity	2 m³/h, ¾″ ports	2 m³/h, ¾″ ports	2 m³/h, ¾″ ports
Bypass Valve Integrated	✔ allows service during regen	✘ external bypass needed	✘ external bypass needed
Mounting Style	Top-mounted (standard tank)	Top-mounted	Side-mounted
LED Display & Buttons Lock	✔ auto-lock, outage memory (3 days)	✔ same	✔ same
Manual Override Button	✔ yes	✔ yes	✔ yes
Interlock for Multi-Valve	✔ yes	✔ yes	✔ yes

– Integrated bypass makes F65B3 especially user-friendly compared to F65B1/G1 that need external bypass solutions
– Dual-mode regeneration offers versatility beyond the timer-only capabilities of earlier models
– Retains key advantages of Runxin series: ceramic sealing, LED display, manual override, and interlock

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