Gas Fitter Practice · Question
What is the purpose of an anode rod in a gas-fired water heater?
The anode rod, typically made of magnesium or aluminum, sacrificially corrodes to protect the steel tank from rust.
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Question: What is the purpose of an anode rod in a gas-fired water heater?
Answer options:
- To regulate gas pressure ✅ To prevent corrosion of the tank
- To ignite the main burner
- To measure water temperature
Correct answer: To prevent corrosion of the tank
Explanation: The anode rod, typically made of magnesium or aluminum, sacrificially corrodes to protect the steel tank from rust.
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- What is the maximum allowed pressure for a propane system supplying a residential appliance?
- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
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