Description
The Allanson 2721-605 is a genuine OEM ferromagnetic ignition transformer engineered to supply reliable high-voltage spark energy for a wide range of gas and oil burner ignition systems. It runs on a 120 VAC primary and provides a 10,000 VAC secondary output at ~250 VA, delivering consistent ignition performance for residential, commercial, and light industrial HVAC applications. Built with a double-pole ferromagnetic design and high-temperature internal windings, the 2721-605 operates cool and quiet under constant duty while meeting EMI/RFI emission standards for compliant electrical performance and long service life.
Key Features
- 120 VAC primary voltage — standard line input for HVAC ignition systems
- 10,000 VAC secondary output for strong ignition spark energy
- ~250 VA rated output capable of meeting typical burner power requirements
- Double-pole ferromagnetic construction for continuous, constant-duty performance
- Midpoint-grounded core improves voltage stability and safety
- High-temperature winding insulation enhances durability in heat-intensive environments
- Complies with EMI/RFI noise suppression standards for cleaner electrical performance
