Gas Hearth Systems Exam Secrets helps you ace the Gas Hearth Systems Exam, without weeks and months of endless studying. Our comprehensive Gas Hearth Systems Exam Secrets study guide is written by our exam experts, who painstakingly researched every topic and concept that you need to know to ace your test. Our original research reveals specific weaknesses that you can exploit to increase your exam score more than you've ever imagined. Gas Hearth Systems Exam Secrets includes: The 5 Secret Keys to Gas Hearth Systems Exam Success: Time is Your Greatest Enemy, Guessing is Not Guesswork, Practice Smarter, Not Harder, Prepare, Don't Procrastinate, Test Yourself; A comprehensive General Strategy review including: Make Predictions, Answer the Question, Benchmark, Valid Information, Avoid Fact Traps, Milk the Question, The Trap of Familiarity, Eliminate Answers, Tough Questions, Brainstorm, Read Carefully, Face Value, Prefixes, Hedge Phrases, Switchback Words, New Information, Time Management, Contextual Clues, Don't Panic, Pace Yourself, Answer Selection, Check Your Work, Beware of Directly Quoted Answers, Slang, Extreme Statements, Answer Choice Families; A comprehensive content review including: Natural Gas, Chimney Conditions, Draft Hood Function, Aldehyde, Hot Surface Ignition, EPU, Spillage Test, Control Valve Function, Compression station, Diaphragm, National Fuel Gas Code, Yellow Flame Combustion, Piping Requirements, Sediment Traps, Cold Junction, Hot Junction, Type B Vent Components, American National Standards Institute, Pressure Regulator System, Appliance Function, Vented Gas Log Sets, NFGC Code Requirements, Series Circuit, Gas Hazards, Floor Protection, Limit Switches, Vent Route, Burner Soot Problems, Combustion, Negative pressure, and much more...