Technicians should verify differential pressure across the sensing ports using a manometer while the blower is operational to ensure the switch reaches its set point

significantly reducing the risk of repeated cycling under fault conditions

condenser fan cycling

with a "Warm On" peak of 42°F

Technical compatibility includes specific 3/4-inch and 1-inch NPT valve bodies

Allanson Transformers 2744-668 Transformer 30067439-890 Technicians should verify differential pressureThe Allanson 2744 668 Ignition Transformer is a high performance 240V replacement ignition transformer engineered for reliable arc stabilization in commercial and industrial oil burner applications. Operating with a 10,000V secondary voltage and a 23mA output, this unit utilizes a mid point ground configuration to ensure balanced electrical stress across the secondary windings. Designed for precise oil burner ignition, the 2744 668 serves as a direct