Allanson Transformers 421-BT636 Transformer 30067439-890 The 1/2" ODF sweat connections

The 1/2" ODF sweat connections ensure a leak-free

For technicians troubleshooting a heat pump not switching modes

Accurate 3-15 PSI Correlation: Specifically calibrated to translate standard pneumatic signals into readable temperature data for rapid diagnostics

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

installing this furnace blower fan wheel restores factory-spec performance and prevents premature blower motor failure caused by unbalanced centrifugal loads

Allanson Transformers 421-BT636 Transformer 30067439-890 The 1/2" ODF sweat connectionsThe 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