11939701 Heatwise SU-2 Firing Head Assembly – Inner Assy STG120 KA CPL
The 11939701 Heatwise SU-2 Firing Head Assembly is a high-quality replacement part designed for Heatwise SU-2 burners. This inner assembly (STG120 KA CPL) ensures reliable ignition and efficient fuel combustion, making it essential for maintaining safe and consistent burner performance.
Engineered for durability and precision, the SU-2 Firing Head Assembly is a critical component in the maintenance and repair of commercial and industrial oil burners.
Key Features ✅
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✅ OEM-quality replacement for Heatwise SU-2 burners
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✅ Inner assembly STG120 KA CPL for precise ignition control
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✅ Durable construction ensures long-lasting performance
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✅ Improves burner efficiency and reduces maintenance downtime
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✅ Easy installation as a direct replacement
Technical Specifications 📝
| Specification | Value |
|---|
| Part Number |
11939701 |
| Type |
SU-2 Firing Head Assembly |
| Inner Assembly |
STG120 KA CPL |
| Application |
Heatwise SU-2 burners |
| Function |
Controls fuel ignition and combustion |
Common Symptoms Solved ⚡
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❌ Burner fails to ignite
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❌ Inconsistent or unstable flame
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❌ Frequent lockouts or flame failure
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❌ Reduced combustion efficiency
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❌ Premature wear of burner components
Shopping Tips 🛒
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✅ Confirm Burner Model – Designed specifically for Heatwise SU-2.
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✅ Replace during service – Installing a new firing head ensures reliable ignition.
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✅ Check inner assembly part number – STG120 KA CPL for proper compatibility.
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✅ Use OEM-quality parts – Ensures proper fit, flame stability, and efficiency.
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✅ Inspect surrounding components – Ensure fuel nozzles, electrodes, and ignition systems are in good condition.
Frequently Asked Questions (FAQ) ❓
Q: What does the 11939701 firing head assembly replace?
✅ It is a direct replacement for Heatwise SU-2 burners with STG120 KA CPL inner assembly.
Q: What problems does this assembly fix?
✅ Common issues include failure to ignite, flame instability, burner lockouts, and reduced efficiency.
Q: Is this an OEM part?
✅ Yes, it meets OEM specifications for fit and performance.
Q: Can I install it myself?
✅ If you are comfortable with burner maintenance, yes. Otherwise, a qualified technician is recommended for safe installation.
Q: How often should this be replaced?
✅ Typically during routine burner maintenance or if ignition issues occur.
