Beckett 51805U AFII 150 Solid State Ignitor Transformer 120V

SKU: 51805U

Weight	3 lbs
Dimensions	8 × 8 × 8 in

$154.90

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	$154.90	0%
5–9	$147.16	5%
10+	$139.41	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.

Beckett 51805U AFII 150 Solid State Ignitor Transformer 120V

Specifications & product details

Overview

Beckett 51805U AFII 150 Solid State Ignitor – 120V Oil Burner Transformer

Replace your faulty oil burner ignition system with the genuine Beckett 51805U AFII 150 solid state ignitor. Designed specifically for Beckett AFII oil burners, this high-performance electronic transformer delivers reliable spark ignition for efficient combustion and smooth burner startup.

Unlike traditional iron-core transformers, this solid-state ignitor provides faster ignition response, improved energy efficiency, and reduced operating noise. Built for durability in demanding heating environments, it ensures consistent spark generation for dependable burner performance.

Key Features

• Genuine Beckett OEM replacement• Model AFII 150• MFG# 51805U• 120 Volt operation• Solid state electronic ignition• Compact design for AFII burners• Includes mounting hardware

Applications

• Oil-fired furnaces• Oil-fired boilers• AFII burner ignition replacement• HVAC service & repair

Specifications

•
Manufacturer: R.W. Beckett Corp• REM#: 4H439•
Fuel Type: No. 2 Heating Oil•
Voltage: 120V
Ideal for HVAC technicians servicing residential oil heating systems requiring dependable ignition performance.

Product details

Part / SKU	51805U

Package includes

Beckett 51805U AFII 150 Solid State Ignitor Transformer 120V

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.