field technicians often trim these stainless steel probe rods to meet specific low-water cut-off elevations prescribed by the boiler manufacturer

OEM Compatibility: Direct fit for York

Always verify the individual model code on the compressor nameplate before installation

Constructing your combustion system with authentic Modine unit heater parts ensures long-term reliability and maintains the factory-specified performance levels required for demanding commercial and industrial heating applications

Built with high-grade materials to withstand extreme thermal stress

Allanson 421-557 Transformer Els PW 17895 field technicians often trim theseThe Allanson 421 557 is a heavy duty oil burner ignition transformer engineered specifically for Arco and American Standard burners. This iron core transformer utilizes a 120V primary supply to deliver a consistent 10,000V secondary output at 23mA, ensuring a powerful arc for reliable burner ignition in demanding environments. Designed with a mid point ground configuration, the 421 557 features a high silicon steel core and large gauge copper windings