Allanson Transformers 421-BT332 Gas Transformer

Allanson 421-BT332 gas transformer delivers dependable high-voltage conversion for gas furnace systems. With a 250 V AC primary and a 10,000 V AC secondary, this transformer supports precise ignition and safety control across residential, industrial, and commercial gas furnaces. The unit features a Rajah Connector terminal, an internal junction box, and a Mid Point Ground design for clean integration into existing control circuits. Built for tough environments, it operates reliably within a wide temperature and humidity range and is suitable for demanding installations.

• Primary voltage: 250 V AC; Secondary voltage: 10,000 V AC; Frequency: 60 Hz
• Terminal type: Rajah Connector; Junction box: Internal; Mid Point Ground configuration
• Voltage rating: 120 V AC (control side)
• Storage temperature: -40 to 80 °C; Operating temperature: -30 to 40 °C
• Operating relative humidity: up to 90%
• Applications: Residential, Industrial, Commercial Gas Furnaces
• Loading air gap: 1/8 to 3/16 inch

Designed to offer reliable performance in furnace control circuits, this Allanson gas transformer is a smart choice for retrofit projects and new installations alike.