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G2 GAS TECHNICIAN MODULE 17 REVISED EXAM 2025 QUESTIONS AND ANSWERS What are the factors governing a conversion? - ....ANSWER ...-Availability of gas, efficiency if converted, access to combustible air, satisfactory ductwork, can a chimney liner be installed, clearances from combustibles, manufactures recommendations, if a water heater is also being installed (common vent or power vent), and age of the appliance Oil fired furnaces are recommended not to be converted at a certain age what is age is this? - ....ANSWER ...-10 years clause 4.3.5 What are the responsibilities of the installer when converting? - ....ANSWER ...- Determine that it can accept gas and will operate satisfactory for a reasonable length of time. What must be done when converting a boiler? - ....ANSWER ...-1. Check for revirtible flue; center line must be at leas 12" above burner port 2. Visually inspect for leaks 3. Open drain at bottom and flush until water is clear 4. Sediment can hide a leak at the bottom ...©️ 2025, ALL RIGHTS RESERVED 1