Allanson 2721-605 Oil Burner Transformer 120V 10,000V Beckett SF SR

SKU: 2721-605

Weight	8 lbs
Dimensions	12 × 10 × 7 in

$152.36

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$152.36	0%
5–9	$144.74	5%
10+	$137.12	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Allanson 2721-605 Oil Burner Transformer 120V 10,000V Beckett SF SR

Specifications & product details

Allanson 2721-605 OEM Oil Burner Transformer – 120V / 10,000V

The Allanson 2721-605 Ignition Transformer is a genuine OEM replacement designed to deliver reliable high-voltage ignition for oil burner systems. Built for professional HVAC and heating applications, this transformer converts 120V primary input into a powerful 10,000V secondary output to ensure consistent spark generation.

Engineered with a heavy-duty steel housing and high-quality internal windings, this unit is designed for dependable operation in residential and light commercial oil burner systems.

🔧 Compatibility:

Beckett S Burners
Beckett SF Models
Beckett SR Models
Direct OEM replacement for 2721-605

⚡ Electrical Specifications:

Primary Voltage: 120V
Secondary Voltage: 10,000V
Industrial ignition-grade output

✅ Key Features:

OEM Allanson replacement
Strong, consistent spark output
Durable steel construction
Easy direct-fit installation
Ideal for burner service and repair

Perfect for HVAC technicians, heating contractors, and oil burner service professionals needing a reliable ignition transformer replacement.

Product details

Part / SKU	2721-605

Package includes

Allanson 2721-605 Oil Burner Transformer 120V 10,000V Beckett SF SR

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

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.