The National Fuel Gas Code category of vent system used with a natural draft furnace is _____.

a. Category I
b. Category II
c. Category III
d. Category IV


a. Category I

Trades & Technology

You might also like to view...

Review drawing number 523854C0A and then answer the question.

1. Are there any reference dimensions on the drawing? 2. If so, what are they?

Trades & Technology

A fire barrier refers to a

A) fire -rated wall. B) fire -rated floor. C) fire -rated roof. D) all of the above. E) none of the above.

Trades & Technology

The Spanish goat is the only meat goat with a national association

Indicate whether the statement is true or false

Trades & Technology

It is best to mount a tire with the round sticker aligned with the valve core

Indicate whether the statement is true or false

Trades & Technology