Cross-Compatibility: Direct replacement for Trane SWT02535 and SWT02006

ensuring the circuit interrupts before thermal damage occurs

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

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

while the 5-screw low-voltage terminal board provides a clean

Allanson 421-557 Transformer Els PW 17895 Cross-Compatibility: Direct replacement for TraneThe 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