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21 Multiple choice questions
- A floor furnace needs how much clearance to soil?
- Minimum height for a "B" vent penetrating the roof is
- Minimum clearance of a "B" vent to a combustible material is...
- Floor-register type furnace can't be closer to the wall than...
- Forced air furnace with an open draft hood and open burners is considered.....
- A fan downstream from the heat exchanger is intended to
- Oil burning appliance vents are usually vented with what type of pipe?
- Te max distance from the attic access to an attic furnace is...
- Flexible dryer vents are only allowed between the dryer and a...
- Before operating a whole house fan you should....
- Typical minimum temp on a hydronic heating system is.....
- Hydronic heating systems do have something that is not found in steam systems?
- A furnace in an interior closet can have it's lower and upper combustion air sources vented to the.....
- Every forced air furnace must have an electrical disconnect....
- Sight glass is not found in hydronic heating systems, but is found in what other type?
- All gas forced air furnaces must have a safety device that shuts off the gas in the event the pilot goes out called a.....
- An operable back-draft damper is required on....
- Low efficiency furnace could be located in the.....
- A "B" vent termination must be at least 2 feet higher than any wall within...
- How much clearance does a wall furnace need?
- The Venturi on a gas burner controls the....