Allanson Transformers 2721-668 Gas Transformer

Gas Transformer 2721-668 from Allanson delivers reliable high-voltage conversion for residential, industrial, and commercial gas furnace systems. The unit's primary voltage is 250 V AC and it steps up to a 10,000 V AC secondary, providing efficient ignition in demanding environments. Designed for 60 Hz operation, it features a ferromagnetic core and a mid-point ground, with a robust 2-pole configuration that ensures stable performance across installations.

Equipped with a large spring contact terminal and a 120 V AC rating, this transformer supports versatile wiring and easy integration into existing furnace circuits. Its generous loading air gap of 1/8 to 3/16 inch helps maintain reliable discharge characteristics while maintaining safety margins. The unit is built for resilience, with a wide operating temperature range and high humidity tolerance.

• Primary Voltage: 250 V AC
• Secondary Voltage: 10,000 V AC
• Frequency: 60 Hz
• Core Type: Ferromagnetic with Mid Point Ground
• Pole Count: 2-pole
• Voltage Rating: 120 V AC
• Terminal: Large Spring Contact
• Loading Air Gap: 1/8" to 3/16"
• Temperature Range: Storage -40 to 80 C; Operating -30 to 40 C
• Humidity Tolerance: Up to 90% RH
• Applications: Residential, Industrial, Commercial Gas Furnaces