What is a ammeter
Measures current in circuit
Any gas produced from coal,oil, LP, or natural gas
Manufactured gas
Controls the flow of fuel to a burner
Gas valve
Button that shuts down boilers
E-stop
BMS
Building Management system
What is a manometer
Used for taking pressure measurements
Carbon dioxide and other vapors that exit a furnace or boiler
Flue gas
The difference between a 80% furnace and a condensing furnace
Secondary heat exchanger
A gas control valve with built in regulator
Combination valve
BAS
Building Automation system
What is a megohmmeter
Detects insulation deterioration but measuring high resistance
A measure of how well chemical energy in a fuel is converted to thermal energy during combustion
Combustion efficiency
Valve that opens to let an air-fuel mixture in but closes to prevent backpressure
Flapper valve
Device that controls the start/stop and firing rate of boiler by measuring temperature
Aquastat
BAPI
Building Automation Products Incorporated
What is sling psychrometer
Measures relative humidity
Unburned carbon particles on heating and combustion equipment that forms when the surface temp is lower than the ignition temp of the carbon
Soot
A motor to wheel connection that has a blower wheel mounted on a motor shaft
Direct-drive system
Device that removes debris from a hydronic heating system
Strainer
BACnet
Building Automation Communication Network
What is a anemometer
Device that measures air velocity
A gas fuel that is composed of 90-95% of propane gas and 5-10% propylene
Propane
A sheet metal enclosure that surrounds a blower wheel
Scroll
System that can be changed chilled water to steam with one common pump
Two pipe system
DDC
Direct digital control