The type of pipe commonly used for condensation drainage on central air conditioning system is

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Study for the NOCTI Heating, Ventilation, and Air Conditioning (HVAC) Test. Practice with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for your exam!

Multiple Choice

The type of pipe commonly used for condensation drainage on central air conditioning system is

Explanation:
Condensation drainage requires a pipe that won’t corrode from condensate and can handle the somewhat warm water that forms as the coil operates. CPVC, a chlorinated version of PVC, has a higher temperature rating and strong chemical resistance, which makes it a reliable choice for drain lines in many central air systems. It also allows easy solvent-weld joints for a durable, leak-free run. Copper is more expensive and can suffer from sweating and expansion, ABS is less universally approved for drainage in some codes, and standard PVC would work but CPVC offers added temperature tolerance, which is why it’s commonly specified.

Condensation drainage requires a pipe that won’t corrode from condensate and can handle the somewhat warm water that forms as the coil operates. CPVC, a chlorinated version of PVC, has a higher temperature rating and strong chemical resistance, which makes it a reliable choice for drain lines in many central air systems. It also allows easy solvent-weld joints for a durable, leak-free run. Copper is more expensive and can suffer from sweating and expansion, ABS is less universally approved for drainage in some codes, and standard PVC would work but CPVC offers added temperature tolerance, which is why it’s commonly specified.

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