Allanson Transformers 2721-456 Transformer

Experienced oil heat technicians understand that burner reliability starts with a stable arc. The Allanson 2721-456 Ferromagnetic Ignition Transformer is a heavy-duty, constant-duty solution specifically engineered for Aero Burner applications. Operating on a 120Vac supply voltage, this unit delivers a consistent 10,000Vac secondary voltage at 23mA. This replacement ignition transformer features a midpoint ground and is designed with high-temperature wire to ensure it runs cooler and quieter than standard aftermarket units. Its ferromagnetic 120V transformer design provides superior EMI and RFI protection, meeting both American and European noise emission standards. Built to original equipment manufacturer specifications, the 2721-456 is a direct fit for Aero oil burners, replacing older Webster 313-24ABAER and France 5LAY-56 models. For contractors handling oil burner transformer replacement, the single porcelain design and zinc-plated button terminals provide the durability required for demanding residential and commercial combustion environments.

• Application Specific: Purpose-built for Aero Burner systems, ensuring correct mounting and terminal alignment.
• Constant Duty Performance: Engineered for continuous operation with a robust 250VA power rating and 60Hz frequency.
• Noise Suppression: Advanced construction offers excellent protection against electromagnetic and radio frequency interference.
• Thermal Efficiency: Utilizes high-temperature internal wiring to reduce operational heat and extend component life within the burner housing.
• Industrial Strength: Features a rolled steel frame and single porcelain insulation for high dielectric strength.

What burner models is the Allanson 2721-456 compatible with?
This 10,000V ignition transformer is specifically designed for Aero burners. It is also often utilized in ABC D and LC burner configurations that require an end-hinge mounting and button-style HV terminals.

How do I verify if this transformer replaces my existing unit?
Cross-reference your current part number. This unit is the primary replacement for the Webster 313-24ABAER and the France 5LAY-56. Always confirm the 120V primary and 10,000V secondary ratings match your system requirements.

Does this unit include the mounting hinge?
Yes, the 2721-456 features a standard end-hinge configuration used by major burner manufacturers to allow for easy access to the nozzle assembly during service.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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