Pentair pH Sensor, BNC Blue | AK110 / AK600 Chemical Controllers | 744000260 R9103 The retro-fit designation means this

The retro-fit designation means this internal assembly installs into an existing Style II G2 body already set in the pool floor

This service must be performed by a licensed professional

lay your old element on the ground and measure its length and outer diameter — then compare to the 19 3/4" × 7" spec above

The Hi-Flo II above ground pump was designed for superior performance

Pentair pH Sensor, BNC Blue | AK110 / AK600 Chemical Controllers | 744000260 R9103 The retro-fit designation means thisOEM pH Sensor for Pentair AK110 and AK600 Chemical Controllers The Pentair 744000260 is the OEM replacement pH sensor for the AK110 and AK600 Chemical Controllers. This BNC connector sensor (blue) is the direct fit replacement for restoring accurate pH measurement to your automated chemical dosing system. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Electrical control components must be installed or replaced by a qualified electrician or