816322-111K Armstrong S-35, H-32 Circulator Pump Noryl Impeller (3.38" Diameter)
This genuine Armstrong replacement impeller is designed for use with S-35 and H-32 bearing assemblies in circulator...
816304-321K ARMSTRONG S-55 Circulator Pump Noryl Impeller 4.75" Diameter
This genuine Armstrong replacement impeller is designed for the S-55 circulator pump, specifically fitting bearing assemblies...