| Material | Model No. | Capacities | Applications |
| Cast Iron | 005-F | 9 1/2 Ft. to 18 GPM | Hydronic heating systems up to 150,000 BTU's*. Other applications in zoning with circulators, add a zone additions, and closed loop solar applications |
| Cast Iron | 007-F | 11 Ft. to 20 GPM | Typical hydronic heating systems up to 165,000 BTU's.* Other applications in zoning with circulators, add a zone additions, and closed loop solar systems |
| Cast Iron | 008-F | 16 Ft. to 14 GPM | Hydronic heating systems requiring higher heads. Other applications in radiant in-floor/panel hydronic heating systems, and closed loop solar systems |
| Cast Iron | 009-F | 34 Ft. to 8 GPM | High head low flow hydronic heating systems. Other applications in higher head radiant in-floor/panel hydronic heating systems, and closed loop solar systems |
| Cast Iron | 0010-F | 11 1/2 Ft. to 30 GPM | Large residential/light commercial hydronic heating systems up to 215,000 BTU'S.* The High Velocity 0010 should be used when that additional performance is required. |
| Bronze | 005-BF | 9 1/2 Ft. to 18 GPM | Domestic hot water recirculation. |
| Bronze | 006-B | 10 Ft. to 10 GPM | Heat recovery systems, typical domestic hot water recirculation, water source heat pumps, and open loop solar systems. Available in sweat or threaded connections. |
| Bronze | 007-BF | 11 Ft. to 20 GPM | Domestic hot water recirculation |
| Bronze | 008-BF | 16 Ft. to 14 GPM | Higher head heat recovery systems, large domestic hot water recirculation systems, water source heat pumps and open loop solar systems |
| Bronze | 009-BF | 34 Ft. to 8 GPM | High head low flow open loop solar systems and high head domestic hot water recirculation systems |
| Bronze | 0010-BF | 11 1/2 Ft. to 30 GPM | Higher flow domestic hot water recirculation systems |