Allanson 421-BT332 Transformer Els PW 17895 Durability: Constructed from professional-grade materials

Durability: Constructed from professional-grade materials to resist sooting and thermal degradation in the burner chamber

Universal Orientation: Includes interchangeable inserts to accommodate both horizontal and vertical installation layouts on standard TP970 bases

Compact Footprint: Designed specifically for the XM5 series subminiature architecture

and Nortek air handlers or furnaces

providing the lead length and hardware necessary for streamlined field replacement

Allanson 421-BT332 Transformer Els PW 17895 Durability: Constructed from professional-grade materialsThe Allanson 421 BT332 is a heavy duty universal ignition transformer engineered for high performance oil burner applications. Operating on a 120Vac supply voltage, this unit delivers a consistent 10,000Vac secondary voltage with a 23mA current rating, ensuring reliable arc stabilization even in demanding environments. Designed with a mid point ground configuration, it minimizes electromagnetic interference and enhances circuit safety. The integration