2729-605 Allanson Transformer
Product Overview
The Allanson 2729-605 Ignition Transformer is a 220V input, 10,000V secondary, 23mA double-pole transformer designed for Beckett S-type oil burners. With a small can series design and mid-point grounding, it delivers safe, reliable, and efficient ignition for residential, commercial, and industrial heating systems.
Replacement Information: This model is ideal for Beckett S burners requiring a robust, constant-duty ignition transformer.
Key Features & Benefits
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✅ Dependable Ignition Power – Consistent 10,000V secondary output for reliable spark.
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✅ Runs Cooler & Quieter – Engineered with high-temperature wiring to minimize heat and noise.
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✅ Durable Construction – Single porcelain designs for long-lasting performance.
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✅ Meets Noise & EMI Standards – Conforms to American and European regulations.
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✅ Double Pole Design – Ideal for demanding oil burner applications.
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✅ Compact Form Factor – Small can series fits standard burner mounting.
Technical Specifications
| Specification | Value |
|---|
| Application |
Oil Burners |
| Burner Manufacturer |
Beckett S |
| Input Voltage |
220V AC |
| Input Frequency |
50Hz |
| Secondary Voltage |
10,000V |
| Current |
23mA |
| Grounding |
Mid-Point Ground |
| Can Size |
Small Can Series |
| Hv Terminal |
Large Spring Contact |
| Hinge Location |
End Hinge |
| Poles |
Double |
Common Symptoms of a Failing Transformer
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⚠️ Weak or No Spark – Burner fails to ignite.
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⚠️ Humming Noise – Unusual vibration or buzzing during operation.
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⚠️ Frequent Burner Lockouts – System resets required often.
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⚠️ Overheating – Transformer becomes excessively hot.
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⚠️ Intermittent Ignition – Spark inconsistent or weak.
Shopping Tips
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🔎 Check Burner Compatibility – Designed specifically for Beckett S burners.
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🔄 Confirm Voltage & Current – Ensure 220V input, 50Hz frequency, 23mA current.
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🛠 Installation Considerations – Small can series with mid-point grounding; proper mounting is key.
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👨🔧 Professional Installation Recommended – Ensures correct grounding and wiring for safety.
FAQ – 2729-605 Allanson Transformer
Q1: Which burners are compatible with this transformer?
A1: Designed for Beckett S-type oil burners requiring 220V input, 10kV secondary, and double-pole operation.
Q2: What is the can size of this transformer?
A2: This model uses a small can series, ideal for compact installation spaces.
Q3: How can I test if my transformer is failing?
A3: Weak or absent spark, intermittent ignition, or unusual humming indicate failure. Use a spark tester or Allanson’s Chek-Mate tool for verification.
Q4: Can it operate continuously?
A4: Yes, the 2729-605 is designed for constant-duty operation in oil burners.
Q5: What safety precautions should I take?
A5: Always disconnect power before servicing, ensure proper grounding, and follow all manufacturer and HVAC guidelines.
