Allanson Transformers 421-BT290 Transformer Els PW 17895 designed specifically for high-reliability HVAC

designed specifically for high-reliability HVAC blower motor control

or discharge gas service

With adjustable anti-short cycle delay and sensor offset capabilities

With 9 watts of power consumption and a 12 VA holding rating

Allanson Transformers 421-BT290 Transformer Els PW 17895 designed specifically for high-reliability HVACThe 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