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27 Cards in this Set
- Front
- Back
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Minimum boiler clearances vertically |
18 in |
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Minimum boiler clearance for sides and rear |
18 in |
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Minimum boiler clearances from the front |
48 in |
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When can a generator installed for the production of carbon dioxide in a greenhouse take its combustion air from inside the greenhouse |
When the rate of combustion does not exceed 20 BTU H per foot cubed the greenhouse volume and the concentration of CO2 does not exceed 5000 PPM and the concentration of Co does not exceed 35 PPM |
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What may be used to connect the dryer exhaust and a rigid moisture duct |
A certified flexible foil non-combustible type duct |
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Dryer moisture exhaust duct termination distances |
Not less than three feet from a pressure regulator vent terminal and not less than 10 feet from a fresh air intake |
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A moisture air duct shall not be secured with |
Screws |
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Can you vent a moisture in exhaust duct into vent connector vent or chimney |
No |
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High temperature limit control maximum setting for a gravity furnace |
350° Fahrenheit or 175 degrees Celsius |
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High temperature limit control maximum setting on a forced air furnace |
250° Fahrenheit or 120 degrees Celsius |
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Minimum clearance from the top of a central furnace |
1 in |
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Minimum clearance from combustibles cereal for the jacket sides and rear of a central furnace |
6 in |
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Minimum clearance distance from the front of a central furnace |
24 in |
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Can you install a floor furnace |
No |
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Where shall a direct fired make-up air heater not be used to supply makeup are |
To an area where sleeping accommodation is provided |
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Max length of a gas hose used to connect a infrared tube heater |
36 plus or minus 6 in |
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A room heater in a bathroom shall be of what type |
Direct vent |
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When a room heater is installed in a room where sleeping accommodations provided or in a public area it shall |
Be of the automatic temperature control type, be equipped with a pressure regulator, have 100% safety shut-off control, and be vented |
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Minimum distance of a pool heater to a property line |
18 in |
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Can a pool heater be installed beneath any structure including a deck |
No |
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Where should offended tube type pool heater be installed |
Either Outdoors or in an enclosure that is not normally occupied and does not directly communicate with occupied areas |
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Minimum clearance from combustible material for any under fired storage type water heater shall be how many inches |
2 in |
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Minimum clearance for any type of water heater other than an under fired storage type water heater shall be how many inches |
6 in |
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When installed in a garage what is the minimum clearance that shall be maintained between the base of a heater and the garage floor |
8 feet |
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Minimum clearance distance for a bracket or pendant gas light fixture from above |
18 in |
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Minimum clearance for all sides of a bracket or pendant gas light fixture |
5 in |
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Can you install a gas range in a bedroom |
No but you may install one in a bed sitting room |
