Gas Fitter Practice · Question
Which component is responsible for adjusting the amount of primary air mixing with the gas at the burner orifice?
The air shutter or mixer face at the burner provides a manual adjustment for the primary air intake, optimizing the flame characteristics.
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Question: Which component is responsible for adjusting the amount of primary air mixing with the gas at the burner orifice?
Answer options:
- The main gas valve
- The pilot light assembly ✅ The air shutter (mixer face)
- The manifold pressure regulator
Correct answer: The air shutter (mixer face)
Explanation: The air shutter or mixer face at the burner provides a manual adjustment for the primary air intake, optimizing the flame characteristics.
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