Extended Reach: The 48-inch lead length provides sufficient slack for clean routing and management within the boiler cabinet or wiring conduit

and forced air systems

Exact Compatibility: Direct replacement for the P100DC-3C series

ripple-free 24Vdc power

How do I identify if this switch is the correct replacement

Allanson 421-331 Transformer Els PW 17895 Extended Reach: The 48-inch leadThe Allanson 421 331 Ignition Transformer is a high performance direct replacement oil burner transformer engineered specifically for Lennox oil burners. Designed for reliability in demanding combustion environments, this unit features a 120V primary supply voltage and a robust 10,000V secondary output at 23mA. The midpoint ground configuration ensures stable arc performance and minimizes electromagnetic interference within the burner housing. Built