| electric boiler → IsA → large water tank | 0.46 | |
| electric boiler → IsA → affordable option | 0.45 | |
| electric boiler → IsA → specialized item | 0.38 | |
| electric boiler → IsA → a convenient process unit | 0.37 | |
| electric boiler → IsA → circuit breakers | 0.34 | |
| electric boiler → IsA → peak load controllers | 0.34 | |
| electric boiler → IsA → safety interlocks | 0.34 | |
| electric boiler → IsA → voltage | 0.34 | |
| electric boiler → IsA → need | 0.33 | |
| electric boiler → IsA → great combination | 0.31 | |
| electric boiler → IsA → less heat-efficient | 0.31 | |
| electric boiler → IsA → effective water heating applian… | 0.30 | |
| electric boiler → IsA → excellent investment | 0.24 |