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Allanson 2721-647 Ignition Transformer for Oil-Fired Boiler Burners - Ignition Transformers for Hot Water & Steam Boiler Burners
AllansonIgnition Transformers for Hot Water & Steam Boiler Burners

Allanson 2721-647 Ignition Transformer for Oil-Fired Boiler Burners

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

Also listed as: 2721647 · 2721 647

Brand
Allanson
Item
2721-647 Ignition Transformer for Oil-Fired Boiler Burners
Category
Ignition Transformers for Hot Water & Steam Boiler Burners
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Allanson
Manufacturer Part Number
2721-647
Type
: 8-32 x 3/8 in Mounting Studs, Oil
For Fuel Type
Oil
Mounting Type
8-32 x 3/8 in Mounting Studs
Voltage, Amperage
120V AC / 23 mA
Compatible Mfr. Model Number
5LAY-31
Overall Dimensions - H x W x D
4 in x 5 in x 5-3/4 in

Technical Documents

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Allanson Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for Allanson
Oil burner retrofit maintenance — Allanson CAT 1092 TYPE F transformer replacement in existing Beckett control circuits
Industrial heating-system commissioning — Control transformer installation in multi-stage flame-safeguard burner startup sequences
Plant emergency maintenance — Same-day T92 transformer procurement to restore failed ignition control voltage supply
Burner control-cabinet assembly — Allanson transformer integration in custom control-circuit designs for process-heating applications
Field technician spare-parts kit — Stocking CAT 1092 and T92 variants for mobile maintenance coverage of regional burner installations

Allanson Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Ignition transformer for oil-fired hot water and steam boiler burners. Features 4 mounting holes in plate for secure installation. Compatible with France 5LAY-31 model. Dimensions: 4 in x 3-1/8 in x 5 in
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This ignition transformer is designed for gas-fired hot water and steam boiler burners, specifically for Power Flame models. It operates at 120V AC with 23 mA current, features a one-ground mounting type, and measures 4-5/8 in x 4-1/2 in x 5-7/16 in. Suitable for commercial and industrial heating systems requiring reliable spark ignition
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This ignition transformer is designed for gas-fired hot water and steam boiler burners, specifically for Power Flame models. It operates at 120V AC with 23 mA current, features a one-ground mounting type, and measures 4-5/8 in x 4-1/2 in x 5-7/16 in. Suitable for commercial and industrial heating systems requiring reliable spark ignition
This ignition transformer is designed for oil-fired hot water and steam boiler burners. It operates at 120V AC and 23 mA, with an end hinge mounting type. Overall dimensions are 4 in x 5 in x 5 in. Compatible with manufacturer model number 313-28AB85
Allanson
This ignition transformer is designed for oil-fired hot water and steam boiler burners. It operates at 120V AC and 23 mA, with an end hinge mounting type. Overall dimensions are 4 in x 5 in x 5 in. Compatible with manufacturer model number 313-28AB85
ALLANSON Hot Water and Steam Boiler Burner Ignition Transformer: End Hinge, 120V AC / 23 mA, Oil (MPN 2721-619)
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ALLANSON Hot Water and Steam Boiler Burner Ignition Transformer: End Hinge, 120V AC / 23 mA, Oil (MPN 2721-619)
This Allanson ignition transformer generates a high-voltage spark to ignite oil in hot water and steam boiler burners. It operates at 120V AC and 23 mA, with a side hinge mounting design. Overall dimensions are 4 in x 5 in x 5 in. Compatible with manufacturer model number 313-25AB78
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This Allanson ignition transformer generates a high-voltage spark to ignite oil in hot water and steam boiler burners. It operates at 120V AC and 23 mA, with a side hinge mounting design. Overall dimensions are 4 in x 5 in x 5 in. Compatible with manufacturer model number 313-25AB78

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This Allanson ignition transformer is designed for gas-fueled hot water and steam boiler burners. It features a slotted plate mounting and is compatible with model 612-6A072. The transformer measures 4-1/2 x 4-1/2 x 8 inches and provides the high-voltage spark necessary for burner startup
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This Allanson ignition transformer is designed for gas-fueled hot water and steam boiler burners. It features a slotted plate mounting and is compatible with model 612-6A072. The transformer measures 4-1/2 x 4-1/2 x 8 inches and provides the high-voltage spark necessary for burner startup
This ignition transformer is designed for oil-fired hot water and steam boiler burners. It operates at 120V AC and 23 mA, with an end-hinge mounting type. Compatible with TB-11 burner models, it measures 4 in x 5 in x 5-3/4 in
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This ignition transformer generates a high-voltage spark for igniting oil in hot water and steam boiler burners. It operates at 120V AC and 23 mA, features an end hinge mounting type, and measures 4 in x 5 in x 5 in. Compatible with model XD-BK103
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This ignition transformer generates a high-voltage spark for igniting oil in hot water and steam boiler burners. It operates at 120V AC and 23 mA, features an end hinge mounting type, and measures 4 in x 5 in x 5 in. Compatible with model XD-BK103
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