Guides

Autotrol 255, 263, and 268 Parts Identification...

The Autotrol 255 and Performa 263/268 valves can use similar Logix controllers, but the controller does not determine every valve-body part. The Pentair service manual provides separate valve illustrations and...

Clack WS1 vs. WS1.25 Parts Identification Guide

Clack WS1 and WS1.25 controls share a family resemblance and some components, but the service manual assigns different main pistons, spacer stacks, distributor openings, and valve bodies. Identify the body...

Fleck 9000 vs. 9100 Parts: What the Service Man...

Fleck 9000 and 9100 systems are twin-tank control valves, but the model names do not make every valve-body, meter, or tank-adapter component interchangeable. Use the exact model label and OEM...

Fleck 5600 Parts Identification Guide

The Fleck 5600 has multiple timer and service configurations. Part selection should follow the valve label and the parts tables in the Pentair service manual, not a visual guess from...

How to Identify a Water Softener Control Valve ...

Correct water softener parts selection starts with the control valve, not the cabinet brand or the appearance of the display. A system assembler can install a Pentair Fleck, Clack, or...