⚡ 5270005U BECKETT 12VDC Ignitor – ADC & SDC Oil Burners
High-Performance 12VDC Igniter for Oil Burners
The Beckett 5270005U is a 12VDC oil burner ignitor designed for reliable, continuous-duty operation with ADC and SDC Beckett burners. Replacing 5218309U, this fully potted, waterproof ignitor delivers quick and efficient ignition with a 20 kV peak output while simplifying installation and reducing maintenance.
⚠️ Note:
✅ Key Features
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✅ High Voltage Ignition – 20 kV peak ensures fast, efficient burner ignition.
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✅ Lightweight & Compact – Weighs <1 lb, making shipping and installation easier.
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✅ Fully Potted Epoxy Design – Protects electronics from moisture and thermal shock; waterproof and durable.
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✅ UL Recognized – Certified in the US and Canada (120V and 240V only).
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✅ External Heat Sink Eliminated – Reduces overheating and prolongs service life.
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✅ Intermittent or Interrupted Ignition Compatible – Increases igniter life and saves energy.
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✅ Multi-Base Compatibility – Adapts to Beckett ADC & SDC burners and many other vendors’ baseplates.
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✅ Simplified Wiring – Fewer wires for easier installation.
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✅ Thermoplastic Case – High-impact, chemical-resistant, scratch-resistant.
📊 Specifications
| Specification | Detail |
|---|
| Manufacturer |
Beckett |
| Part Number |
5270005U |
| Replaces |
5218309U |
| Input Voltage |
10.8–16 VDC |
| Output Voltage |
20 kV peak |
| Output Current |
25 mA RMS |
| Input Current |
1.8 A |
| Ambient Operating Temperature |
-40°F to +150°F |
| Storage Temperature |
-40°F to +150°F |
| Moisture Resistance |
5–95% Relative Humidity, Condensing |
| Duty Rating |
Continuous |
| Ignition Compatibility |
Intermittent or Interrupted |
| Case Material |
High-temperature thermoplastic |
| Weight |
<1 lb |
| Includes |
Beckett Small Parts Pack 52189 (2 Wire Nuts), Spring/Gasket 596002 |
⚠️ Common Symptoms When Replacement Is Needed
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Burner fails to ignite
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Frequent ignition lockouts
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Igniter overheating or arcing
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Cracked or damaged case or epoxy potting
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Reduced output voltage
❓ FAQ
Q: Can this ignitor be used on non-Beckett burners?
A: Yes — it can adapt to multiple base plates, but verify compatibility with your burner model.
Q: Does this include a base plate?
A: No — base plate must be supplied separately.
Q: Is it compatible with intermittent ignition controls?
A: Yes — works with both intermittent and interrupted ignition primary controls.
Q: Why is this ignitor better than traditional iron-core transformers?
A: It’s lightweight (<1 lb vs. 8 lbs), fully potted in epoxy for moisture resistance, and eliminates external heat sinks, reducing overheating and replacement frequency.
🛒 Shopping Tips
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Confirm your burner is ADC or SDC compatible before ordering.
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Do not exceed design specifications — over-voltage or incorrect use can cause failure.
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Keep the small parts kit handy for installation (included).
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Use only OEM Beckett ignitors for reliable performance and warranty compliance.
