Description Compliance & Restrictions Genuine Armstrong Replacement Parts Material = Bronze 4.75" Diameter Replaces Part No. 816304-051
ARMSTRONG INTERNATIONAL, INC. 816304-321K ARMSTRONG S-55 Circulator Pump Noryl Impeller 4.75" Diameter MSRP: Was: $460.00 Now: $448.44
ARMSTRONG INTERNATIONAL, INC. 816304-021 ARMSTRONG H-55 Circulator Pump Steel Impeller 4.75" Diameter MSRP: Was: $362.25 Now: $343.85
ARMSTRONG INTERNATIONAL, INC. 816304-047K ARMSTRONG S-57 Circulator Pump Bronze Impeller 5.25" Diameter MSRP: Was: $511.75 Now: $457.70
ARMSTRONG INTERNATIONAL, INC. 816304-317K ARMSTRONG S-57 Circulator Pump Noryl Impeller 5.25" Diameter MSRP: Was: $378.35 Now: $335.80
ARMSTRONG INTERNATIONAL, INC. 816304-017 ARMSTRONG H-53 Circulator Pump Steel Impeller 5.25" Diameter MSRP: Was: $361.10 Now: $342.70