Allanson Hot Water and Steam Boiler Burner Ignition Transformer: 8-32 x 3/8 in Mounting Studs
The ALLANSON Hot Water and Steam Boiler Burner Ignition Transformer (MPN 2721-647) is an ignition transformer for oil-fired burners. It operates at 120V AC / 23 mA and features 8-32 x 3/8 in mounting studs. The…
SKU 3G-OTH-66015
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Product Description
The ALLANSON Hot Water and Steam Boiler Burner Ignition Transformer (MPN 2721-647) is an ignition transformer for oil-fired burners. It operates at 120V AC / 23 mA and features 8-32 x 3/8 in mounting studs. The transformer is compatible with manufacturer model number 5LAY-31 and has overall dimensions of 4 in x 5 in x 5-3/4 in.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the ALLANSON 2721-647 ignition transformer used for?
The ALLANSON 2721-647 ignition transformer is used to generate the high-voltage spark that ignites oil in hot water and steam boiler burners. It is designed for oil-fired systems and mounts using 8-32 x 3/8 in studs, making it suitable for replacement in compatible burner assemblies.
What are the specifications of the ALLANSON 2721-647 ignition transformer?
The ALLANSON 2721-647 operates at 120V AC and 23 mA. It is for oil fuel, with 8-32 x 3/8 in mounting studs. Dimensions are 4 in x 5 in x 5-3/4 in. It is compatible with manufacturer model number 5LAY-31. The brand is ALLANSON, and the MPN is 2721-647.
Where to buy the ALLANSON 2721-647 ignition transformer worldwide?
You can source the ALLANSON 2721-647 ignition transformer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this oil burner ignition transformer.
How to install the ALLANSON 2721-647 ignition transformer?
To install the ALLANSON 2721-647, first disconnect power. Mount the transformer using the 8-32 x 3/8 in studs, ensuring a secure fit. Connect the 120V AC primary leads per the wiring diagram. Verify the secondary high-voltage output to the oil burner electrode gap. Always follow local codes and the burner manufacturer's instructions.
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3G Electric supplies Allanson ignition transformers for hot water & steam boiler burners. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















