Nate gas furnace service Study guides, Class notes & Summaries

What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? - Answer- Use a zero-clearance furnace or add a non-combustible base A vent connector should have a as few elbows and joints as possible to: - Answer- Reduce resistance of flue gases The gas control valve may be damaged if exposed to an inlet pressure above - Answer- 14in wc To which thermostat is leveling the most critical: - Answer- Mercury Bulb Which of the following is a reason...

NATE Gas Furnace Service Exam Latest Update...

What is the typical load rating of the branch circuit over-current protection for a residential gas furnace? - Answer-25 Amp What is recommended for a pressurization leak test of fuel gas pipe? - Answer-Compressed air When selecting a replacement indoor blower motor, Which criteria should be included? - Answer-Motor horsepower Induced draft blowers in direct vent condensing furnaces pull combustion air from: - Answer-Outdoors only What is the primary purpose of an off delay timer in ...

NATE Gas Furnace Service 117 Questions with Correct Answers 100% Verified What is the typical load rating of the branch circuit over-current protection for a residential gas furnace? - Correct Answer 25 Amp What is recommended for a pressurization leak test of fuel gas pipe? - Correct Answer Compressed air When selecting a replacement indoor blower motor, Which criteria should be included? - Correct Answer Motor horsepower Induced draft blowers in direct vent condensing furnaces pull c...

What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? Correct Answer Use a zero-clearance furnace or add a non-combustible base A vent connector should have a as few elbows and joints as possible to: Correct Answer Reduce resistance of flue gases The gas control valve may be damaged if exposed to an inlet pressure above Correct Answer 14in wc To which thermostat is leveling the most critical: Correct Answer Mercury Bulb Which of the f...

Nate Gas Furnace Service questions and answers| verified What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? Use a zero-clearance furnace or add a non-combustible base A vent connector should have a as few elbows and joints as possible to: Reduce resistance of flue gases The gas control valve may be damaged if exposed to an inlet pressure above 14in wc To which thermostat is leveling the most critical: Mercury Bulb ...

HVAC NATE Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION A damaged section of double wall vent pipe is to be replaced with a section produced by a different manufacturer: Answer: The installer should check the new section for compatible locking joints. QUESTION If too much primary air is used the flame will: Answer: Lift off the burner. QUESTION What is the problem when a flame on a high efficien...

NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (VERIFIED A+) The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component that reduces sound transmission and prevents water leaks of a package heat pump installed on a roof? -Ans Cur...