1. Experts in Chem-Feed and Water Treatment Old style ORP and pH sensors. The exposed red sensor is an ORP sensor. This connecter predates the connector to the right which includes a PVC sleeve and an o-ring sealed retainer nut.

2. Experts in Chem-Feed and Water Treatment Remove existing fittings for old style sensors

3. Experts in Chem-Feed and Water Treatment Remove old compression fitting

4. Experts in Chem-Feed and Water Treatment New Sensor Hardware Install the new PVC sleeve into existing ¾” tee.

5. Experts in Chem-Feed and Water Treatment New Sensor Slide the new sensor into the sleeve and turn it clock-wise until tight.

6. Experts in Chem-Feed and Water Treatment New Cables Connect the new style cables to the new sensor (s). Connect the open ended tinned leads into the controller as required.