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22 Cards in this Set
- Front
- Back
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List three appliances that are not to be connected to a venting system |
Gas Ranges, Gas Dryers, Portable gas burning appliances, gas lights, and any appliance approved to be used without a vent |
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Define 'Type B Vent' |
A vent complying with ULC standard CAN/ULC-S605 and consisting entirely of factory made parts, each designed to be assembled with the other without requiring field fabrication, and intended for venting gas appliances. These are constructed of a galvanized steel outer casing with inner lining of aluminum separated by an air space (1/2" nominal) the max internal temperature is not to exceed 470F (243C) |
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Define 'Type L Vent' |
A vent complying with ULC standard ULC-S609 and consisting of factory made parts, each designed to be assembled with the other without requiring Field fabrication. It is constructed of a galvanized steel outer casing with an inner lining of stainless steel separated by an air space (1/2" nominal). The maximum internal temperature is not to exceed 550F(288C) |
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Define 'Type BW Vent' |
A vent complying with ulc standard ulc-s609 and consisting of factory made parts , each designed to be assembled with the other without requiring field fabrication, and intended for venting only wall furnaces for use with such type of vent. It Is constructed off galvanized steel outer casing with an inner lining of aluminum separated by an air space (1/2" nominal). The maximum internal temperature is not to exceed 470F(243C) this vent is oval in shape - Clause 8.10.8 |
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What is the operating principle of a natural draft venting system? |
Convection |
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What is the operating principle for an induced draft venting system |
Convection |
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Name the most common type of vent used for natural draft residential gas appliances |
B vent |
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What is the minimum allowable size for a type B vent |
Equal to a 3 inch diameter pipe - clause 8.13.3 |
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What is the minimum allowable size for a type B vent |
Equal to a 3 inch diameter pipe - clause 8.13.3 |
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What is the minimum internal dimension of a type BW vent? |
2 inches (50mm) clause 8.13.3 |
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What is the minimum effective vent height for a type B vent? |
5' (1.5M) clause 8.14.6 |
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What shape may gas vent be? |
Any shape - clause 8.13.3 |
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All gas vents must terminate to the outdoors (true or false) |
True (definition of vent) clause 8.10.1 |
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What is the minimum height of a gas vent termination above a flat roof? |
2 feet (600mm) clause 8.14.5 |
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What is the minimum height of a gas vent termination in a sloped roof? |
2 feet(600mm) clause 8.14.5 |
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What are the minimum installation requirements for a type BW vent? |
12 feet above the bass of the wall furnace to the termination or changes of direction - clause 8.14.7 |
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Masonry chimneys may be used for gas fires appliances without alteration if they are in good condition and have a/an |
Chimney liner - clause 8.12.8 |
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What measurement must the chimney termination above a slopes roof be? |
3 feet (900mm) clause 8.14.4 |
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What measurement must the chimney termination above a flat roof be? |
3 feet (900mm) clause 8.14.4 |
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What is the minimum size of a chimney? |
Area equal to 12 square inches, or 4 inch diameter. - tables C5, C6, C7 and C8 |
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What code must the construction of a field built chimney comply with? |
Alberta building code - clause 8.12.1 |
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What must the installer do before connecting a vent connector to a chimney? |
Inspect the chimney and line if it is not acceptable for the installation of gas burning appliances. - clause 8.12.9 |
