Hayward Pressure Gauge 1/4" Bottom Mount for Hayward Filters | ECX270861 C9405 so using a secondary oxidation

so using a secondary oxidation system is critical and that's why it is orenda's second pillar of proactive pool care

When used as directed

A failed or degraded air bleed valve can prevent the filter from reaching operating pressure

providing the additional height needed to align the skimmer opening correctly with finished deck elevations

Hayward Pressure Gauge 1/4" Bottom Mount for Hayward Filters | ECX270861 C9405 so using a secondary oxidationThe Hayward Pressure Gauge 1 4" Bottom Mount (ECX270861) is the OEM replacement pressure gauge for Hayward pool and spa filters. What It Does Mounted directly to the filter housing via a 1 4" bottom mount connection, this gauge monitors operating pressure within the filter tank, providing a real time indication of filter condition during normal operation. Specifications Hayward Part Number ECX270861 Mount Type Bottom mount Connection Size 1 4"