Exam (elaborations)
NHIE and AHIT Exam Questions + Flashcards 100% Accurate!!
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This type of water heater ventilation system uses the natural upward movement of airflow to filter exhaust gases up and out of the home. - ANSWER atmospheric ventilation system The shutoff valve for a gas water heater's supply line may not be more than _____ feet from the water heater. - ANSWER ...
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