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

and forced air systems

How do I identify if this switch is the correct replacement

This 10-inch blade is typically found in smaller-sized Reznor unit heaters where precise clearance is required

MAPP/propylene

Allanson 421-331 Transformer Els PW 17895 Exact Compatibility: Direct replacement forThe 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