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HVAC
TSSA G2 Gas Technician Certification
Meter Clocking & Combustion Diagnostics
Knowledge Check
Meter Clocking & Combustion Diagnostics
Knowledge Check
Knowledge Check
1 / 10
What is required for common venting a two-stage furnace with a conventional water heater?
A
Common venting two different appliance types is never permitted
B
Always use the smaller of the two individual vent sizes
C
Always acceptable with the same vent size as either appliance
D
Follow CSA B149 sizing tables; may require separate venting if the appliances are not compatible
Check Answer
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