Replacement Parts

154
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HYDRONIC SOLUTIONS CATALOG
4030 & 4020 BASE MOUNTED PUMPS
END SUCTION | PARTS CROSS REFERENCE
item 102 impeller 1N" bore
pump size
material
part number
impeller bore
in inches
maximum
diameter in inches
b&g armstrong b&g armstrong
1½AB 1½D
Bronze P48070 419229-041 1N 7
Cast iron P48050 419229-011 1N 7
2AB 2D
Bronze P48070 419229-041 1N 7
Cast iron P48050 419229-011 1N 7
2½A 2½D
Bronze P49040 419232-041 1N 7
Cast iron P48980 419232-011 1N 7
3A*** 3D
Bronze P49480 419234-041 1N 7
Cast iron P49500 419234-011 1N 7
4AB 4D
Bronze P50310 419236-041 1N 7
Cast iron P50290 419236-011 1N 7
1¼BB 1¼E
Bronze P78251 419238-041 1N 9K
Cast iron P78522 419238-011 1N 9K
1½BB 1½E
Bronze P78251 419238-041 1N 9K
Cast iron P78522 419238-011 1N 9K
2BB 2E
Bronze P78525 419239-041 1N 9K
Cast iron P78257 419239-011 1N 9K
2½B 2½E
Bronze P78255 419239-041 1N 9K
Cast iron P78257 419239-011 1N 9K
3BB 3E
Bronze P49640 419241-041 1N 9K
Cast iron P49660 419241-011 1N 9K
4BB 4E
Bronze P50570 419243-041 1N 9K
Cast iron P50330 419243-011 1N 9K
5BB 5E
Bronze P50970 419245-041 1N 9K
Cast iron P50950 419245-011 1N 9K
6BB 6E
Bronze P51290 419247-041 1N 9K
Cast iron P51270 419247-011 1N 9K
2C 2G
Bronze P77497 419543-041 1N 12K
Cast iron P77499 419543-011 1N 12K
3C 3G
Bronze P49700 419008-041 1N 12K
Cast iron P49680 419008-011 1N 12K
4C 4G
Bronze P50450 419009-041 1N 12K
Cast iron P50430 419009-011 1N 12K
6C** 6G
Bronze P51370 419541-041 1N 12K
Cast iron P51350 419541-011 1N 12K
notes: ** 6 C & 6G Are mechanically interchangeable, providing both the volute and impeller are of the correct size for the capacity conditions at the same time.
6 G 4030 has a possible capacity equivalent of a B&G 8 C, depending on the selection of the proper impeller diameter and motor of adequate capacity.
*** For pumps built prior to 1964 (serial no. dd) only, use only with casing part numbers: pw-121 for cast iron and pwb-121 for all bronze