Chimneys and Vents
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M1801.1 |
Venting required |
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M1801.2 |
Draft requirements |
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M1801.3 |
Existing chimneys and vents |
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M1801.3.1 |
Size |
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M1801.3.2 |
Flue passageways |
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M1801.3.3 |
Cleanout requirements |
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M1801.3.4 |
Clearances |
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M1801.4 |
Space around lining |
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M1801.5 |
Mechanical draft systems |
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M1801.6 |
Direct vent appliances |
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M1801.7 |
Support |
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M1801.8 |
Duct Penetrations |
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M1801.9 |
Fire blocking |
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M1801.10 |
Un-used openings |
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M1801.11 |
Multiple appliance venting systems |
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M1801.12 |
Multiple solid fuel prohibited |
Vent Components
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M1802.1 |
Draft hoods |
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M1802.2 |
Vent Dampers |
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M1802.2.1 |
Manually operated vent dampers |
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M1802.2.2 |
Automatically operated dampers |
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M1802.3 |
Draft regulators |
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Chimney and Vent Connectors
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M1803.2 |
Connectors for oil and solid fuel appliances |
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M1803.3 |
Installation |
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M1803.3.1 |
Floor, ceiling and wall penetrations |
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M1803.3.2 |
Length |
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M1803.3.3 |
Size |
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M1803.3.4 |
Clearance |
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M1803.3.5 |
Access |
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M1803.4 |
Connection to fireplace flue |
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M1803.4.1 |
Closure and accessibility |
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M1803.4.2 |
Connection to factory-built fireplace flue |
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M1803.4.3 |
Connection to masonry fireplace flue |
