The 3Z1B adapter kit features a rugged construction

Compact Integration: Space-saving design facilitates faster installation in tight boiler cabinets

but it can be adapted for 4-20 mA control through the installation of a 500-ohm resistor across the input leads

Why should I replace the entire assembly instead of cleaning individual tubes

This 110/120V replacement motor operates seamlessly at both 50/60 Hz

Fasco D333 Motor 322027-701 The 3Z1B adapter kit featuresThe Fasco D333 is a high performance 1 25 HP fan coil unit motor designed for heavy duty HVACR applications. Operating at 115V and 1550 RPM, this 4. 4 inch diameter motor features a shaded pole design with open air over (OAO) enclosure, ensuring maximum heat dissipation during continuous duty. Built for drop in compatibility, the D333 is the direct replacement for Century 322 and other common OEM configurations in air conditioning and heating units.