Venting
Products of combustion
What is Flue Gas
When ignited the gas burner flame front passes smoothly and rapidly over the burner surface
What is rapid carry-over of flames
What is thermocouple
Device that controls water temp in hydronic heating system
What is aquastat
Considered a non-vented appliance
What is a clothes dryer
Deadly product from incomplete combustion
What is carbon monoxide
Stable flame, quiet operation and no CO
What is complete combustion
Most common problem is due is clogging due to dust and lint
What is aerated pilot burners
Opens and dumps water if the tank pressure or water temperature is excessively high
What is T & P relief valve
C3H8
What is Propane
Which category of appliance that has a negative vent pressure and is less than 83% efficient
What is Category 1 appliance
Type of burner that supplies combustion air with enough pressure to overcome the resistance of the burner only
What is fan-assist burners
This burns throughout the entire time the burner assembly is in service, whether main burner is firing or not
What is continuous pilot
What you use on all steam boilers and hot water boilers over 400, 000 BTU
What is low water cut-off
55 CFH of CH4 is this many BTU/H
What is 55 000 BTU/H
Is only allowed on gas-fired incinerators
What is single acting barometric damper
Use a zero governor to regulate gas supply
What is Aspirating burners
The most commonly used electronic ignition system today
What is HSI, Hot Surface Igniter
High temperature limit switch, found on some boiler draft hoods or some dual acting barometric dampers
What is flame-roll out switch
Has a specific gravity of 1.52
What is Propane
What type of venting system is completely sealed because the vent pressure is positive?
What is Forced Draft
Gas and combustion air mix at the nozzle
What is nozzle mix burner
Thermocouple failure response time
What is 90 sec
Use on air heating systems to sense air temperature
What is combination high-limit/fan control switch
This type of vent has insulating mineral fiber in it.
What is Type A venting