Modine 5H0578450004 Fan Blade 318172-701 verify your shaft size with

verify your shaft size with a caliper before installation

and sleeves required for a complete securement

Can I use a universal spark wire instead

This 5000 Series (D1 style) control features a Double Pole Single Throw (DPST) snap-action mechanism with a positive "OFF" position

Modine 5H0578450004 Fan Blade 318172-701 verify your shaft size withThe Modine 5H0578450004 Fan Blade is a precision engineered OEM replacement part designed for high performance service in Modine unit heaters and HVAC systems. This 14 inch diameter fan blade features a 3 blade configuration with a 25 degree pitch, optimized for maximum CFM delivery and static pressure efficiency. Built for durability in demanding commercial and industrial environments, it utilizes a 1 2 inch bore and is designed for Clockwise (CW)