The wiring harness is required to connect the ESO to the Aquatec booster pump and the transformer. If you need the wiring harness with the ESO, OR the entire shutoff switch kit (includes ESO, TSO, wiring harness), search in our other products.

• Replacement wiring harness connects ESO to booster pump and transformer
• Can be used with Aquatec CDP 6800 & 8800 pumps
• Simple to replace and includes instructions with diagram