Allanson 2721-631A Oil Burner Transformer 120V 10kV ABC Sunray

SKU: 2721-631A

Weight	6 lbs
Dimensions	12 × 10 × 7 in

$168.64

In stock — available to order.

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Same-item volume pricing

Quantity	Unit price	Saving
1–4	$168.64	0%
5–9	$160.21	5%
10+	$151.78	10%

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Allanson 2721-631A Oil Burner Transformer 120V 10kV ABC Sunray

Specifications & product details

Overview

OEM Allanson 2721-631A Oil Burner Transformer
120V Primary / 10,000V Secondary – For ABC & Sunray Burners

The Allanson MFG# 2721-631A is a genuine OEM iron core ignition transformer engineered for ABC and Sunray oil burner systems. Designed to convert 120V primary input into a powerful 10,000-volt secondary output, this transformer delivers consistent, reliable spark ignition performance.

Built with a heavy-duty iron core and durable steel housing, this production transformer is ideal for both residential and commercial oil heating applications.

Key

Specifications

• Brand: Allanson Inc.
• MFG# 2721-631A
• Primary Voltage: 120V
• Secondary Voltage: 10kV
• Iron Core Construction
• Direct Replacement for ABC / Sunray Burners

Applications:

• Oil burner ignition replacement
• Transformer failure repair
• Preventative maintenance service
• Burner rebuild projects

Replacing a weak or failing transformer restores reliable ignition, prevents delayed startup issues, and improves overall combustion consistency.

Ideal for HVAC technicians, oil heat service contractors, and boiler repair professionals.

Product details

Part / SKU	2721-631A

Package includes

Allanson 2721-631A Oil Burner Transformer 120V 10kV ABC Sunray

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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