Allanson 421-557 Transformer Els PW 17895 Common Questions: Can I use

Common Questions: Can I use this to replace a 370V capacitor

acting as a critical safety override

Pressure switches are safety-critical and must be matched exactly to the manufacturer's setpoints

Works on all types of round copper

including various Rheem

Allanson 421-557 Transformer Els PW 17895 Common Questions: Can I useThe Allanson 421 557 is a heavy duty oil burner ignition transformer engineered specifically for Arco and American Standard burners. This iron core transformer utilizes a 120V primary supply to deliver a consistent 10,000V secondary output at 23mA, ensuring a powerful arc for reliable burner ignition in demanding environments. Designed with a mid point ground configuration, the 421 557 features a high silicon steel core and large gauge copper windings