Key Benefits Precise Thermal Protection: Factory-calibrated to open at 255°F

while the DPST configuration provides the necessary isolation for complex electrical sequences

covering both 5000 and older 1000 series (with mounting screws) valve applications

the Sporlan A3F1 provides the reliability field technicians require for critical system maintenance

it is also rated for 1 HP at 120V AC and 2 HP at 277V AC

Allanson Transformers 421-BT290 Transformer Els PW 17895 Key Benefits Precise Thermal Protection:The Allanson 421 BT290 is a heavy duty universal ignition transformer engineered for high performance oil burner service and replacement applications. Operating on a 120Vac supply voltage, this unit delivers a consistent 10,000Vac secondary voltage at 23mA, ensuring reliable arc initiation even in demanding environments. Designed with a mid point ground and a durable internal junction box, it simplifies field wiring while maintaining electrical