G2 gas technician Study guides, Class notes & Summaries

G2 Gas Technician Module 20 Revised Questions 100% Pass What prevents the water in a hydronic heating system from boiling into steam when the system is operating above the atmospheric temperature? Pressurization of the system List the four subsystems of a hydronic space heating system? Heat Source, Circulation system, Heat Emitters, Control system What must be done to protect the potable water supply to a hot water boiler? Approved backflow preventer installed in the water supply Above what ...

G2 Gas Technician Module 15 B Revised Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 12 Revised Exam Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 18 Revised with Verified Solutions What is a temperature control made of in a water heater? Which one is the sensing element? Rod and tube. Rod is steel and tube is copper. Copper is the sensing element. Temperature settings on a water heater? Hot - 160 F Normal - 130 F Warm - 120 F What does a unitrol have in it? Temperature and pressure relief valve, E.C.O., Main Gas valves, Pilot Gas Valve and a gas regulator What temp does a temperature and pressure relief valve ...

G2 Gas Technician Module 21 Revised Questions with Verified Solutions What type of vent is used on a wall furnace? BW Venting What temperature does a low-intensity infrared heater fire at? where are they used? 1200 F and are used in factories and commercial buildings How does a low intensity infrared heater work? Gas burner fires into mouth of tube and hot flue gases travel through tube. It emits infrared heat which is directed by reflector suspended above the tube. What are high intensity in...

G2 Gas Technician Module 17 Revised (2023/2024) 100% Pass What are the factors governing a conversion? 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? 10 years clause 4...

G2 Gas Technician Module 11 Revised II Quizzes With Correct Ans…

G2 Gas Technician Module 14 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 13 Revised Exam Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 12 Questions And Revised Correct Answers PASSED!! In series with gas valve.,What does a water flow switch do? - ANSWER : Automatic safety control (normally open). Senses water flow and switch closes What does a Pressure Control Switch (pressuretrol) do in a steam boiler? - ANSWER : Automatic control that senses high and low steam pressure in a boiler. It closes to start burner on low pressure and opens at high temperature to stop the burner. Controls ...