Pool Chemical Controller Pressure Switch filter-length_31 1/8 inches They are designed to replace

They are designed to replace off-standard 9 inch square covers that fit into mud frames that are 1 inch deep

This is a 50 pound container of E-Z Patch 7 F

800 ppm) in just 2 seconds

This is a Hayward replacement strainer basket for Max-Flo SP2800X pumps made after 1994

and the programs for super-chlorination

Pool Chemical Controller Pressure Switch filter-length_31 1/8 inches They are designed to replaceThe Interlock Pressure Switch by Rola Chem is a pool chemical controller pressure switch. It will maximize your protection from chemical exposure. It works to prevent harmful chemicals from being pumped into the circulation line. The Interlock Pressure Switch also acts as a secondary control system to shut power off to the controller should there be a malfunction. It will bring its operations to a halt. Best of all, it is compatible with any automated