HVAC Unlimited Heating, Piping, and Cooling (S-2) License Practice Test 2025 – All-in-One Guide to Master Your Exam! Flash Cards

Question: 1 / 445

When should thermal expansion joints be used in gas piping systems?

?

In all gas piping systems

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy