| Year | 1953 |
| Date | 10-Dec |
| Volume | 109 |
| Issue | 2,742 |
| Page | 694 |
| Category | In the Workshop |
| Part | |
| Title | Driving the Circulating Pump |
| Author | "Duplex" |
| Notes | The electric motor, the motor mounting, the shaft coupling, the pipe connectors, the filter, the relief valve |