Rola-Chem pH Heavy-Duty Probe - 3 Foot Cable width_2 Inches The String Release style works

The String Release style works by simply positioning the weir into place and pulling out the string at each side

It has an eight digit

This Stenner chemical pump #45MJL2A3STAA provides reliable chemical feeding for your swimming pool

It is a must have for all commercial swimming pools because the main drain and suction covers must be physically checked daily to ensure they are secured properly

Rola-Chem pH Heavy-Duty Probe - 3 Foot Cable width_2 Inches The String Release style worksThis is a Rola Chem replacement pH Probe for the Rola Chem controllers. This probe is designed to fit both digital and analog Rola Chem controller systems.