⚡ Beckett 51771U PowerLight Ignitor & Base Plate – 120V Universal Oil Burner Ignition
📦 Product Overview
The Beckett 51771U PowerLight Ignitor is a high-performance 120V ignition module with factory base plate, designed for A, AF, AFG, and NX oil burners. Built for dependable ignition performance, it delivers a strong, consistent spark for reliable burner startup in residential and light commercial heating systems.
Engineered as a universal replacement ignitor, it is compatible with Beckett and many other OEM burner systems, making it one of the most versatile ignition solutions available.
⚡ Key Features
✔ 120V PowerLight ignition system with base plate
✔ Compatible with A, AF, AFG, NX oil burners
✔ 20kV peak ignition output for fast light-off
✔ Lightweight, compact design for easy installation
✔ High-impact thermoplastic housing
✔ Vacuum-encapsulated for moisture resistance
✔ Excellent heat dissipation and electrical insulation
✔ Universal replacement across multiple burner brands
✔ Includes Beckett 5988 Small Parts Package
📊 Specifications
| Specification | Details |
|---|
| Part Number |
51771U |
| Brand |
Beckett |
| Product Type |
PowerLight Ignitor & Base Plate |
| Application |
A, AF, AFG, NX Oil Burners |
| Input Voltage |
120V AC |
| Frequency |
60 Hz |
| Input Current |
0.2 Amps |
| Output Voltage |
20 kV Peak |
| Output Current |
25 mA (35 mA RMS) |
| Operating Temperature |
-40°F to 150°F (-40°C to 66°C) |
| Weight |
Less than 1 lb |
| Mounting |
Base plate included |
| Construction |
High-temp thermoplastic housing |
| Protection |
Vacuum encapsulated, moisture resistant |
| Included |
Beckett 5988 Small Parts Package |
🔄 Replacement Cross Reference
| Brand | Replaces Models / Part Numbers |
|---|
| Beckett |
BLL101, 2-442, 5878U, 51936U |
| France |
10SAY-04, 5LAY-04, 98208 |
| Carlin |
41000-S0-BK1 |
| Sid Harvey |
T92E, T-92 |
| Allanson |
2721-628 Series |
| Dongan |
XD-BK103, 75-A10-203 |
| Kenyon |
SUPER C888 |
| Webster |
3-28AB Series |
| Grainger |
51771GU, 4NY11 |
| Reznor |
220627, 101332 |
| Thermolok |
TB-10 |
🚀 Performance & Design Benefits
- High-energy 20kV ignition output for fast burner start
- Moisture-resistant encapsulated design for long life
- Compact housing fits tight burner compartments
- Universal compatibility across multiple burner brands
- Stable performance in extreme operating conditions
- Reduced ignition failures and improved reliability
⚠️ Common Symptoms This Part Fixes
- No spark or weak ignition
- Delayed burner startup
- Burner lockouts
- Intermittent flame failure
- Hard starting in cold conditions
❓ Frequently Asked Questions (FAQ)
Q: What burners does this fit?
A: It is designed for Beckett A, AF, AFG, and NX oil burners and many OEM replacements.
Q: Does this include a base plate?
A: Yes — this model includes the factory-mounted base plate.
Q: Is this a universal replacement ignitor?
A: Yes — it replaces multiple ignitor models across Beckett and other manufacturers.
Q: Does it include installation parts?
A: Yes — it includes the Beckett 5988 Small Parts Package.
Q: What is the temperature rating?
A: It operates from -40°F to 150°F.
🛒 Shopping Tips
🧭 Always confirm 120V compatibility before installation
🔧 Verify burner model (A, AF, AFG, NX) for proper fit
⚡ Replace electrodes when upgrading ignition system
🧼 Inspect wiring and grounding during installation
- Ideal upgrade for improving ignition reliability and burner performance
