77966S Carlin Combustion Head Assembly – 7" Tube Length, 9-3/4" OAL for EZ-1 / EZ-2 / EZ-3 Burners
Product Overview
The Carlin 77966S Combustion Head Assembly is engineered for use with EZ-1, EZ-2, and EZ-3 oil burners. Designed for a 7-inch nominal blast tube length and 9-3/4" overall length (OAL), this precision combustion head ensures optimal flame stability and efficient combustion.
Note: This updated version no longer includes the nozzle line heater.
✅ Key Features
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✅ OEM Replacement: Genuine Carlin head assembly for EZ-1, EZ-2, and EZ-3 burners
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✅ High Efficiency: Maintains stable, clean combustion for peak burner performance
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✅ Durable Construction: Built from high-temperature materials for extended life
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✅ Precision Fit: 7" nominal tube length, 9-3/4" overall length (OAL)
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✅ Maintenance Ready: Simplified installation and service access
⚙️ Technical Specifications
| Specification | Detail |
|---|
| Part Number |
77966S |
| Tube Length (Nominal) |
7" |
| Overall Length (OAL) |
9-3/4" |
| Compatible Models |
Carlin EZ-1, EZ-2, EZ-3 |
| Nozzle Line Heater |
Not Included |
| Application |
Oil Burner Combustion Head Assembly |
| Construction |
High-temperature steel alloy |
| Function |
Controls flame pattern and combustion air mixture |
⚠️ Common Symptoms Indicating Replacement
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⚠️ Uneven or unstable burner flame
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⚠️ Poor combustion efficiency or high smoke readings
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⚠️ Excessive soot buildup in combustion chamber
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⚠️ Delayed ignition or burner misfires
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⚠️ Noise or vibration during operation
Replacing a worn or damaged combustion head restores performance and improves burner efficiency.
💡 Shopping Tips
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🔍 Verify your burner model (EZ-1, EZ-2, or EZ-3) before purchase
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🧰 Check tube length and OAL for compatibility
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⚙️ Ensure the existing nozzle line heater is reused if required
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🔄 Regular inspection helps prevent efficiency loss and costly repairs
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🧯 Always install using manufacturer-approved procedures
❓ Frequently Asked Questions (FAQ)
Q1: Does this include the nozzle line heater?
A1: No, this version of the 77966S no longer includes the nozzle line heater.
Q2: What burners are compatible with this combustion head?
A2: It fits Carlin EZ-1, EZ-2, and EZ-3 models.
Q3: How can I confirm my burner’s blast tube size?
A3: Measure the nominal tube length (7”) and ensure overall length matches 9-3/4”.
Q4: Is this an OEM Carlin replacement part?
A4: Yes, it’s a genuine Carlin replacement for factory burner assemblies.
