Allanson Transformers 421-BT290 Transformer Els PW 17895 this is a fixed-point thermostat

this is a fixed-point thermostat

additional fasteners may be required for a secure fit

and electronic controllers

and 45-second warm-up cycles

Allanson Transformers 421-BT290 Transformer Els PW 17895 this is a fixed-point thermostatThe 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