Allanson Transformers 421-BT636 Transformer 30067439-890 For technicians troubleshooting a heat

For technicians troubleshooting a heat pump not switching modes

Precise Pressure Calibration: Factory-set to open at 440 PSI to protect high-side components from extreme pressure spikes

How do I know if I need to replace my pilot orifice

durable HVAC inducer fan is essential for restoring optimal combustion assembly function in residential and light commercial equipment

Allanson Transformers 421-BT636 Transformer 30067439-890 For technicians troubleshooting a heatThe Allanson 421 BT636 is a heavy duty universal ignition transformer designed for reliable spark ignition in industrial and residential oil burners. Engineered with a 120Vac supply voltage and a 10,000Vac secondary voltage at 23mA, this unit ensures a consistent high voltage arc for efficient combustion. Featuring a mid point ground configuration, it provides stable electrical performance and reduced electromagnetic interference. As a direct