Description
The Pentair Air Bleed Tube Assembly (178583) is the OEM replacement air bleed tube for the Clean & Clear Plus 520 sq. ft. cartridge filter and the Quad D.E. 100 sq. ft. filter.
IMPORTANT: MODEL DATE RESTRICTION
This air bleed tube assembly fits the Clean & Clear Plus 520 sq. ft. filter on units manufactured after November 1998 only. Check your filter’s manufacture date before ordering earlier units require a different assembly.
The air bleed tube assembly allows trapped air to be purged from the filter tank during startup and after servicing, maintaining consistent water flow and preventing pressure imbalances within the filtration system. A failed or missing air bleed assembly can result in air locks that reduce filter performance.
Specifications
| Pentair Part Number | 178583 |
| Part Name | Air Bleed Tube Assembly |
| Filter Size | 520 sq. ft. |
| Quantity Included | Each |
Fits Into
| Brand | Equipment Line | Model / Part Number | Notes |
| Pentair | Clean & Clear Plus | CLEAN & CLEAR PLUS 520 | 520 sq. ft.; fits filters manufactured after 11/98 |
| Pentair | Quad D.E. | Quad 100 | Air bleeder assembly for Quad 100 |
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment’s manual or on the original part itself before ordering.
Poolaroo Pro Tip
When replacing the air bleed tube assembly, inspect the air relief valve and its O-ring at the same time these components work together and are subject to the same wear cycle. Replacing them together during a single service visit avoids a repeat teardown if the relief valve fails shortly after.
