What does an aquastat do - Study guides, Class notes & Summaries

What is the voltage found at the TT terminals - ANSWER 24 volts What are the 8 steps of a no heat call - ANSWER 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is being used on a one or two pipe system...

Home Inspection Exam Prep Questions and Answers Graded A+ Document Content and Description Below Home Inspection Exam Prep Questions and Answers Graded A+ Ceiling joist when installed parallel to roof rafters, to prevent rafter spread, should be overlapped... - 3 inches - 4 inches - 5 inches - 6 inches 3 inches What is the primary purpose of the control joints placed in concrete driveways?- To prevent cracking. - To drain the surface. - To reduce random cracking. - To enhance appearance. To re...

2g 2022 EXAM 2g 2022 EXAM QUESTIONS & ANSWERS | REVIEW FROM ACTUAL EXAM| Rated A+2g 2022 EXAM 1) What is the minimum diameter of a pressure gauge needed to perform leak test on gas piping? A. 2" B. 2 - 3/4" C. 3" D. 3 - 1/2" Correct Answer: C. 3" 2) Amp meter can read what? A. Pressure drop. B. Conductor magnetic field. C. Load in parallel wires. D. Direct power across loads. Correct Answer: B. Conductor magnetic field. 3) What would be the primary voltage of a furn...