If a regulator shows signs of damage, what is the recommended action?

• A. Tighten fittings more.
• B. Do not use and replace or repair per safety guidelines.
• C. Continue using after cleaning.
• D. Apply sealant to fix.

Answer: (B)

Damaged regulators are safety-critical; they control gas pressure, and any damage can cause leaks or improper pressure that could lead to a fire or explosion. When a regulator shows signs of damage, it should not be used. The correct action is to replace it (or repair) following safety guidelines, which means shutting off the gas, removing the damaged regulator, and having a qualified person install an approved replacement. Attempts to fix it by tightening fittings, cleaning, or applying sealant do not address the underlying damage and can hide leaks or create new failures, making the system unsafe.