Flush Toilet with Trap Seal
Water-flushed sanitation fixture using a trap seal to isolate indoor spaces from sewer gases while moving waste into drains.
Core metadata
- ID: flush_toilet_trap_seal
- Era: Industrial
- First known date: 1775 (exact)
- Region: United Kingdom and later global sanitation systems
- Review status: source_checked
- Maturity: established
Prerequisites
- Plumbing (plumbing)
- Sewers and Drainage (sewers_and_drainage)
- Water Distribution Pipes (water_distribution_pipes)
Dependents
Fields
Field lanes
- Water & Sanitation Systems: Sanitation & Sewerage
Node sources
- Toilet (Encyclopaedia Britannica, 2026, textbook) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Plumbing (plumbing) | enabling | 68% | expert_inference | Plumbing provides a capability that enables this technology without being the only possible path. |
|
| Water Distribution Pipes (water_distribution_pipes) | enabling | 68% | expert_inference | Water Distribution Pipes provides a capability that enables this technology without being the only possible path. |
|
| Sewers and Drainage (sewers_and_drainage) | enabling | 68% | expert_inference | Sewers and Drainage provides a capability that enables this technology without being the only possible path. |
|
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