Hayward Flow Cell Arm | CAX-20257 Hammer-Head It relays electrical signals to

It relays electrical signals to activate or deactivate auxiliary devices

If your Model 408 is heating poorly

This zinc anode is installed on compatible pool rails or ladders to provide sacrificial corrosion protection

To keep the Oval Armor Shield performing at its best

Hayward Flow Cell Arm | CAX-20257 Hammer-Head It relays electrical signals toWhat This Part Is Used For The CAX 20257 flow cell arm supports sensor placement within compatible chemical flow cells. It helps position probes in the proper water stream. Why This Part Matters Correct sensor positioning ensures accurate chemical readings. Replacing a damaged arm restores probe alignment and reliable measurement. Proper flow exposure prevents false readings. Key Features and Specifications Manufacturer part number CAX 20257 Flow cell