Allanson Transformers 421-340 Transformer Els PW 17895 The York S1-1NP0347 Conversion Kit

The York S1-1NP0347 Conversion Kit is the essential OEM component for transitioning induced combustion furnaces from natural gas to liquid propane (LP) operation

Thermal Protection: Class F winding insulation prevents dielectric breakdown during prolonged energized states

Built for a 1/2-inch motor shaft (1/2" bore)

this unit features a dual-tap primary accommodating 460V or 575V

Optimized Current Draw: Engineered for low current consumption

Allanson Transformers 421-340 Transformer Els PW 17895 The York S1-1NP0347 Conversion KitThe Allanson 421 340 Ignition Transformer is a heavy duty ferromagnetic transformer engineered specifically for Armstrong and ESSO burners. Designed for constant duty, this double pole transformer operates with a 120Vac supply voltage and delivers a consistent 10,000V secondary voltage at 23mA. Its mid point ground configuration and Rajah connector HV terminal ensure a secure electrical interface for high demand oil burner ignition systems. Built with