AllansonIgnition Transformers

Allanson 421-430 Ferromagnetic Ignition Transformer for Ducane

Allanson’s Double Pole ferromagnetic transformers are designed for constant duty and provide the most reliable ignition source for commercial, residential and industrial oil applications.

SKU 3G-OTH-03292

Also listed as: 421430 · 421 430

Brand

Allanson

Item

421-430 Ferromagnetic Ignition Transformer for Ducane

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

Poles

Double 

Current

23mA 

Can Size

Large Can Series 

Grounding

Mid Point Ground 

Application

OIL

Burner Type

DUCANE 

Hv Terminal

Zinc Plated Button 

Input Voltage

120V 

Input Frequency

60Hz 

Secondary Voltage

10000V 

Burner Manufacturer

DUCANE 

Datasheet Content

[{"filename":"FerromagneticDP_SpecSheet_21-4141121.pdf","text":"FERROMAGNETIC TRANSFORMERS\n                                                                       2721 / 2744 / 2730 / 2714 / 421 / 444 / 911 / 912\n                                                                                       SPECIFICATION GUIDE\n\n\n                    DOUBLE POLE, MID POINT GROUND MODELS\n\n Allanson’s ferromagnetic transformers are designed for constant duty and provide the most reliable ignition\n source for commercial and/or industrial oil applications.\n\n\n  Absolute Maximum Ratings\n  Model #                                           2721, 421*        2744, 444*       911*       2730, 912*         2714\n  Rated Operating Input Voltage (V)                     120               240           240           120             120\n  Operating Input Voltage Range (V)                   108-132           216-252      216-252        108-132        108-132\n  Input Supply Frequency (Hz)                            60                60           50             50             60\n  Primary Voltage - Amperes (VA)                        250               250           250           250             275\n  Secondary Voltage (RMS)                              10,000            10,000       10,000         10,000         12,000\n  Secondary Short Circuit Current (mA)                   23                23            23            23              20\n  Storage Temperature (°C)                          -40 to +80        -40 to +80    -40 to +80    -40 to +80      -40 to +80\n  Operating Temperature (°C)                        -30 to +40        -30 to +40    -30 to +40    -30 to +40      -30 to +40\n  Operating Relative Humidity (%)                        90                90            90            90              90\n  Loading Air Gap (inches)                           1/8 - 3/16        1/8 - 3/16   1/8 - 3/16     1/8 - 3/16     1/8 - 3/16\n\n * Service replacement transformers are available in select models.\n\n\n\n\n83 Commerce Valley Drive E., Markham, ON L3T 7T3                                99 Adams Blvd., Farmingdale, New York 11735    #21-414\n      T: 1.800.661.7251 ● F: 1.416.752.6718                                         T: 1.631.293.3880 ● F: 1.631.293.3470       1121\n\n\n                  For more information, please visit us at allanson.com or e-mail us at cservice@allanson.com"}]

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Allanson Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Allanson’s Double Pole ferromagnetic transformers are designed for constant duty and provide the most reliable ignition source for commercial, residential and industrial oil applications.

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 421-430 ignition transformer used for?

The Allanson 421-430 is a ferromagnetic ignition transformer designed for constant duty in commercial, residential, and industrial oil applications. It provides a reliable ignition source specifically for Ducane oil burners, delivering a 10,000 V secondary voltage at 23 mA to ignite the fuel-air mixture.

What are the specifications of the Allanson 421-430 transformer?

The Allanson 421-430 is a double-pole, mid-point ground transformer with a 120 V input at 60 Hz. It delivers a secondary voltage of 10,000 V RMS and a secondary short circuit current of 23 mA. It operates in temperatures from -30 °C to +40 °C and has a loading air gap of 1/8 to 3/16 inches.

Where to buy the Allanson 421-430 in Singapore?

You can source the Allanson 421-430 ferromagnetic ignition transformer through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Ducane-compatible model.

How to install the Allanson 421-430 ignition transformer?

Installation should follow the manufacturer's guidelines for ferromagnetic transformers. Ensure the input voltage is 120 V at 60 Hz and the loading air gap is set between 1/8 and 3/16 inches. Securely mount the large can series unit, connect the mid-point ground, and verify the zinc-plated button HV terminal is properly attached to the Ducane burner.

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. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all Allanson products →Contact our engineers →