specifically designed to protect blower motors and heat exchangers from particle bypass

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

Delivers consistent 70W heat output to ensure startup reliability in cold ambient conditions

or improper control signal calibration

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

Allanson Transformers 421-BT290 Transformer Els PW 17895 specifically designed to protect blowerThe 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