Air admittance valve Study guides, Class notes & Summaries

Fuel - Evaluating a water heater should report on the type of public or private - inspector should determine weather the main supply is _____ or ______ Gas vent pipes terminating above the roof pitch up to __:__ need to be ___ft high - 6:12 1 foot sum pumps are to be ____ - inspected Masonry chimneys shall be corbelled no more then ___ the chimneys wall thickness - 1/2 A grounding bus should be found in all ____ - Sub panels Existing Knob-tube wiring should be replaced if ___ a...

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 6 Water heaters must be installed in a location that has a level working space that is at least _____ inches long and _____ inches wide. - ANSWER 30, 30 Water heaters that use a gas fuel source ...

NHIE and AHIT Exam Questions and Answers 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-6 Water heaters must be installed in a location that has a level working space that is at least _____ inches long and _____ inches wide. - Answer-30, 30 Wa...

NHIE and AHIT Exam Questions and Answers 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-6 Water heaters must be installed in a location that has a level working space that is at least _____ inches long and _____ inches wide. - Answer-30, 30 Wa...

Fuel - Evaluating a water heater should report on the type of public or private - inspector should determine weather the main supply is _____ or ______ Gas vent pipes terminating above the roof pitch up to __:__ need to be ___ft high - 6:12 1 foot sum pumps are to be ____ - inspected Masonry chimneys shall be corbelled no more then ___ the chimneys wall thickness - 1/2 A grounding bus should be found in all ____ - Sub panels Existing Knob-tube wiring should be replaced if ___ a...

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 6 Water heaters must be installed in a location that has a level working space that is at least _____ inches long and _____ inches wide. - Answer 30, 30 Water heaters that use a gas fuel source ...

Journeyman Plumber Exam Questions and Answers The minimum size condensate drain in line for refrigeration units over 20 times but less than 35 tons shall be _____ inch. -Answer-1 The unobstructed vertical distance through the free atmosphere, between the outlet of the waste pipe in the flood level rim of the receptacle into which the waste pipe is discharging. -Answer- Air Gap (drainage system) The required water design capacity of bathtub mixing valves is _____ gallons per minute. - Answ...

IRC TESTING |QUESTIONS COMPLETE WITH A+ GRADED ANSWERS above-grade wall A wall (50% <) that is mostly above grade and encloses conditioned space. including: basement knee walls, dormer walls, gable end walls, walls enclosing a mansard roof and skylight shafts [MP] Air Admittance Valve A one-way valve designed to allow air into the plumbing drainage system when a negative pressure develops in the piping. This device shall close by gravity and seal the terminal under conditions of zero...

What monitors the pilot flame in a gas water heater? A. A thermometer B. A thermocouple C. A thermolock D. A pressure gauge B. A thermocouple What are the 3 prohibited traps? A. P trap, S trap and Drum Trap B. Drum Trap, Bell Trap and P Trap C. S Trap, Drum Trap and Bell Trap D. S Trap, Bell Trap and P Trap C. S Trap, Drum Trap and Bell Trap What does an Air Admittance Valve do? A. It detects negative air pressure to allow air into pipes and closes to prevent sewer...

What monitors the pilot flame in a gas water heater? A. A thermometer B. A thermocouple C. A thermolock D. A pressure gauge B. A thermocouple What are the 3 prohibited traps? A. P trap, S trap and Drum Trap B. Drum Trap, Bell Trap and P Trap C. S Trap, Drum Trap and Bell Trap D. S Trap, Bell Trap and P Trap C. S Trap, Drum Trap and Bell Trap What does an Air Admittance Valve do? A. It detects negative air pressure to allow air into pipes and closes to prevent sewer...