Allanson Transformers 2721-668 Transformer 30067439-890 including 18 AWG flame sensor

including 18 AWG flame sensor lead

the 25663 is built to exceed standard durability requirements

This indicates the auto limit switch is calibrated to open (break the circuit) at 110

The Conbraco 26-314-01 is a professional-grade 1/2 inch male NPT gauge cock engineered for critical isolation in steam and hydronic systems

Allanson Transformers 2721-668 Transformer 30067439-890 including 18 AWG flame sensorThe Allanson 2721 668 Ignition Transformer is a heavy duty, iron core electromagnetic unit designed for reliable oil burner ignition. This transformer operates on a 120Vac supply voltage and delivers a high voltage 10,000Vac secondary output at 23mA. Engineered with a midpoint ground configuration, it ensures stable arc performance and consistent combustion in residential and commercial heating systems. As the direct replacement for 2721 668SF models,