Oil furnace 1
The nozzle prepares the fuel oil for combustion by doing what to the fuel?
Atomizing it
What does (gph) stand for?
Gallons per hour
If there is an after drip, this part is installed to prevent it.
Solenoid
This part generates the voltage for ignition.
Step up transformer
What are the insulators on electrodes made of?
Ceramic
An oil pump pressure of 100 psig and a nozzle marked at 1.00 will deliver what amount of fuel per hour?
1 gallon
What are the three basic spray patterns?
Hollow, semi solid and solid
What takes high voltage down to nozzle for ignition?
Electrodes
When a nozzle gets dirty and makes firing a problem, what should you do?
Replace the nozzle
What all does the burner motor operate?
Oil pump, air for combustion
What type of fuel oil is most common in households?
Number 2
What is sometimes installed in the flue that will will shut down the furnace if it doesnt detect heat?
Stack switch or stack relay
What part, tells the furnace in what orders it will come on?
Primary control
On a boiler system, what does the thermostat open in order to heat up a room?
zone valve
What is the difference between a one pipe and a two pipe system?
One pipe needs bled, two pipe does not
Where does the fuel of an oil furnace ignite into called?
Combustion chamber
When the blower turns on, where is it getting its heat from?
Heat exchanger
What can be added to a one pipe system that will make it function like a two pipe system?
Deaerator
What happens after time in an oil furnace if there is excessive smoke?
Create soot build up.
What detects flame on a gas furnace
Flame sensor
What's the difference between interrupted ignition, and intermittent ignition?
Interrupted employs a spark at the beginning then stops to where the intermittent is continuous spark.
This part detects flame.
CAD Cell
With under ground steel tanks, what are installed to help non corrosion?
dielectric bushings and sacrificial anodes
Besides clogging, what else could make problems for proper ignition at the nozzle?
Worn electrodes or spread to far apart
when getting a new nozzle. what does it mean when you see .85 80A
.85 gph angle 80 degrees