CSIA CERTIFICATION EXAMS SCRIPT 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔good solution relative to damaged bricks in a wood stove is? - ✔✔use full bricks
from the floor of the fire box
✔✔a pipe that passes through a wall, goes up the wall, to a slanted cap, is called? -
✔✔snorkel vent
✔✔weekly maintenance for a pellet stove includes... - ✔✔1. Examine / clean heat
exchanger tubes
2. clean the fire pot (as needed)
3. clean door glass (as needed)
4. clean ash trap (as needed)
✔✔If elbow comes apart during service, it must... - ✔✔be replaced
✔✔soot or creosote of what thickness should be removed from the chimney and
connector? - ✔✔1/8"
✔✔oil soot is often _______ than typical wood burning creosote? - ✔✔lighter - in color
and by weight
✔✔masonry chimney deterioration just below the roofline indicates what? - ✔✔leaking
flashing
✔✔stack control is the... - ✔✔primary safety switch
✔✔stack control can be reset by... - ✔✔drawing out the lever 1/4" to align contacts and
releasing slowly
✔✔newer oil fired appliances use what as the stack control? - ✔✔photo sensitive cad
cell relay
✔✔what is an appliance data plate - ✔✔reference used to determine the proper
category for an appliance
✔✔what are catalytic combustors - ✔✔designed to increase combustion efficiency of
the appliance by lowering the ignition temperature of flue gas passing through
✔✔what is combustion efficiency - ✔✔% of potential energy converted to useful heat in
the fire chamber of the appliance
, ✔✔what contributes to the greatest combustion efficiency? - ✔✔Time, Temperature,
Turbulence
takes 1100 degrees to get complete combustion of wood fuel
✔✔sulfuric acid is formed by... - ✔✔coal mixed with water
✔✔ideal moisture content of wood - ✔✔15% - 25%
✔✔dry wood amount of BTUs? - ✔✔dry wood = 8600 BTUs / lb
more moisture = lower BTUs
✔✔oil produces how many BTUs per gallon? - ✔✔140,000 BTUs / gallon
✔✔liquid propane produces how many BTUs per ft3 - ✔✔2500 BTUs / ft3
✔✔BTUs from natural gas - ✔✔Natural gas = 1000 BTUs
✔✔height of chimney beyond roof? - ✔✔2 feet above the ridge, measuring from top of
chimney
✔✔what is a B vent pipe - ✔✔1. double wall and aluminum inner liner
2. for gas appliances, listed for B with draft hood
✔✔what is a BW vent - ✔✔1. oval, designed to fit in studded wall cavity
2. originally listed for gas wall furnace
✔✔What are single wall connectors known as? Give measurements? - ✔✔1. known as
the "breech"
2. 6-10" diameter, minimum 24 guage steel
✔✔modern inserts almost always require... - ✔✔a liner to the top (known as a positive
connection)
✔✔vented appliances include... - ✔✔oil, gas, and pellet appliances
(only to be used for venting appliance listed for use with a vent)
✔✔factory built fireplaces consist of...______, _______ & _______ - ✔✔Firebox,
damper, chimney
✔✔corbels should not exceed ______ of the individual masonry unit height; nor
________ its thickness - ✔✔1/2, 1/3
✔✔smoke chamber walls should be the ______ of the firebox? - ✔✔full width
QUESTIONS AND SOLUTIONS RATED A+
✔✔good solution relative to damaged bricks in a wood stove is? - ✔✔use full bricks
from the floor of the fire box
✔✔a pipe that passes through a wall, goes up the wall, to a slanted cap, is called? -
✔✔snorkel vent
✔✔weekly maintenance for a pellet stove includes... - ✔✔1. Examine / clean heat
exchanger tubes
2. clean the fire pot (as needed)
3. clean door glass (as needed)
4. clean ash trap (as needed)
✔✔If elbow comes apart during service, it must... - ✔✔be replaced
✔✔soot or creosote of what thickness should be removed from the chimney and
connector? - ✔✔1/8"
✔✔oil soot is often _______ than typical wood burning creosote? - ✔✔lighter - in color
and by weight
✔✔masonry chimney deterioration just below the roofline indicates what? - ✔✔leaking
flashing
✔✔stack control is the... - ✔✔primary safety switch
✔✔stack control can be reset by... - ✔✔drawing out the lever 1/4" to align contacts and
releasing slowly
✔✔newer oil fired appliances use what as the stack control? - ✔✔photo sensitive cad
cell relay
✔✔what is an appliance data plate - ✔✔reference used to determine the proper
category for an appliance
✔✔what are catalytic combustors - ✔✔designed to increase combustion efficiency of
the appliance by lowering the ignition temperature of flue gas passing through
✔✔what is combustion efficiency - ✔✔% of potential energy converted to useful heat in
the fire chamber of the appliance
, ✔✔what contributes to the greatest combustion efficiency? - ✔✔Time, Temperature,
Turbulence
takes 1100 degrees to get complete combustion of wood fuel
✔✔sulfuric acid is formed by... - ✔✔coal mixed with water
✔✔ideal moisture content of wood - ✔✔15% - 25%
✔✔dry wood amount of BTUs? - ✔✔dry wood = 8600 BTUs / lb
more moisture = lower BTUs
✔✔oil produces how many BTUs per gallon? - ✔✔140,000 BTUs / gallon
✔✔liquid propane produces how many BTUs per ft3 - ✔✔2500 BTUs / ft3
✔✔BTUs from natural gas - ✔✔Natural gas = 1000 BTUs
✔✔height of chimney beyond roof? - ✔✔2 feet above the ridge, measuring from top of
chimney
✔✔what is a B vent pipe - ✔✔1. double wall and aluminum inner liner
2. for gas appliances, listed for B with draft hood
✔✔what is a BW vent - ✔✔1. oval, designed to fit in studded wall cavity
2. originally listed for gas wall furnace
✔✔What are single wall connectors known as? Give measurements? - ✔✔1. known as
the "breech"
2. 6-10" diameter, minimum 24 guage steel
✔✔modern inserts almost always require... - ✔✔a liner to the top (known as a positive
connection)
✔✔vented appliances include... - ✔✔oil, gas, and pellet appliances
(only to be used for venting appliance listed for use with a vent)
✔✔factory built fireplaces consist of...______, _______ & _______ - ✔✔Firebox,
damper, chimney
✔✔corbels should not exceed ______ of the individual masonry unit height; nor
________ its thickness - ✔✔1/2, 1/3
✔✔smoke chamber walls should be the ______ of the firebox? - ✔✔full width
