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