542-GP Allanson Transformer for Gordon Piatt – 120V Primary

The Allanson 542-GP Transformer is a high-performance single pole ignition transformer designed for Gordon Piatt gas burners. With a 120V primary input and 10,000V secondary output, this transformer provides reliable ignition power, quiet operation, and long-lasting performance. Built with high-temperature wire and porcelain design, it meets OEM specifications and EMI/RFI standards for safe, consistent operation in residential, commercial, and industrial gas applications.

✅ Key Features

• Designed with high-temperature wire for durability

• Runs cooler, quieter, and safer on gas burners

• Built to Gordon Piatt OEM specifications for guaranteed fit and performance

• Meets American & European noise emission standards (EMI/RFI protection)

• Single porcelain design ensures stable operation

• Provides dependable ignition source for commercial, residential, and industrial applications

📊 Technical Specifications

🛒 Shopping Tips – Choosing the Right Transformer

1. Confirm Voltage & Current → This model is 120V, 23mA; ensure it matches your burner requirements.

2. Grounding Type → The 542-GP uses one end ground; check your system’s compatibility.

3. HV Terminal → 1/4-20 stud ensures proper spark connection; verify your burner connections.

4. Replacement vs. Upgrade → Replacing worn or failing transformers maintains consistent ignition performance.

5. OEM Compliance → Built to Gordon Piatt specifications for reliable fit and operation.

⚠️ Common Symptoms of a Failing Transformer

• Burner fails to ignite or experiences delayed ignition

• Weak or inconsistent spark

• Repeated lockouts or flame failures

• Excessive noise or vibration

• Visible arcing or damage on transformer terminals

❓ Frequently Asked Questions (FAQ)

Q1: Can this transformer replace other Gordon Piatt models?
A: Yes — as long as the voltage, current, grounding type, and HV terminal match your burner’s requirements.

Q2: What is the output voltage?
A: The 542-GP provides a 10,000V secondary output for reliable ignition.

Q3: Is it suitable for industrial applications?
A: Yes — designed for residential, commercial, and industrial gas burners.

Q4: How long does it last?
A: With proper installation and usage, it offers long-lasting performance, thanks to high-temperature wire and porcelain construction.

Q5: Is installation difficult?
A: No — the transformer comes with standard terminals and an internal junction box, making installation straightforward.