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Author Question: What are the two large classes of metering devices? What will be an ideal ... (Read 20 times)

olgavictoria

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What are the two large classes of metering devices?
 
  What will be an ideal response?

Question 2

What national publication is a good reference for chimney construction?
 
  What will be an ideal response?



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momtoalll

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Answer to Question 1

Fixed restrictions and thermostatic expansion valves

Answer to Question 2

NFPA 211



olgavictoria

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Both answers were spot on, thank you once again



momtoalll

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