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A flue is a pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. In the United States, they are also known as vents for boilers and as breeching for water heaters and modern furnaces. They usually operate by buoyancy…
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combustion vent appliances venting chimney air systems direct-vent gas listed appliance pressure materials must system code outdoors products installed gases
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Flue | is a | pipe | 0.90 | text |
| Flue | is a | passage within a chimney or within an appliance | 0.90 | text |
| brick | instance of | The heat retaining bricks are covered in a decorative material | 0.80 | text |
| tiles or stone | instance of | The heat retaining bricks are covered in a decorative material | 0.80 | text |
| lined masonry chimneys | instance of | Materials and systemsNatural-draft appliances are vented by listed systems | 0.80 | text |
| Type B gas vents | instance of | Materials and systemsNatural-draft appliances are vented by listed systems | 0.80 | text |
| or other materials allowed by the fuel gas code | instance of | Materials and systemsNatural-draft appliances are vented by listed systems | 0.80 | text |
| the appliance listing | instance of | Materials and systemsNatural-draft appliances are vented by listed systems | 0.80 | text |
| contrasting-color primer where applicable | instance of | including requirements | 0.80 | text |
| Flue | related to Bath-houses | Roman | 0.60 | section |
| Flue | related to Boilers | Another | 0.60 | section |
| Flue | related to Direct-vent appliances (United States) | In | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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