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Zigbee Tuya Smart Radiator Thermostatic Valve
Brand: Generic / OEM
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Audited BOM: 7 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-torque stepper motor (COMP-002) is the root cause of actuation failure (ENG-001), leading to RMA (RMA-001) and user complaints (REV-001).
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