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HVAC NATE Heat Pump |171 questions| with correct answers
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HVAC NATE Heat Pump |171 questions| with correct answers On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT AN...
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