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Author Question: What is the purpose of the draft switch? A) to verify that the indoor blower is on B) to verify ... (Read 170 times)

cabate

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on: Jul 26, 2018
What is the purpose of the draft switch?
 
  A) to verify that the indoor blower is on
  B) to verify that the burners are operating
  C) to verify that the gas valve is open
  D) to verify that the draft is working before energizing the igniter or energizing the gas valve

Question 2

Seal face distortion, shown as uneven wear, may be caused by _____.
 
  a. uneven torque on the gland bolts
  b. gaskets protruding into the seal cavity
  c. light interference
  d. over-torquing the gland bolts


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potomatos

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Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

a


cabate

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Reply #2 on: Jul 26, 2018
Thank you!


potomatos

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Reply #3 on: Jul 26, 2018
Always glad to help...


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