Pentair Air Bleed Assembly, for 320 CNC Plus | 170029 Aluminum polished boundary around the unit

polished boundary around the unit

This is one of those failures that can imitate a bad module or pilot problem because voltage never reaches the ignition point cleanly

Commonly associated with 3/4 HP

You’ll commonly see it as part of a floor return assembly in the main circulating loop

safe exhaust flow

Pentair Air Bleed Assembly, for 320 CNC Plus | 170029 Aluminum polished boundary around the unitWhat This Part Is Used For The Pentair 170029 Air Bleed Assembly is designed for compatible 320 CNC Plus filter systems to release trapped air. It ensures proper filter operation during startup and normal circulation. Why This Part Matters Proper air relief prevents pressure spikes and supports consistent water flow. A worn Assembly may leak or fail to vent air fully. Replacing the component restores stable filtration performance. Key Features and