Pentair Manual Air Relief Valve, 2-3/8", for NS/FNS Filter | 261003 Rectangular Fire & Water Bowl This part supports various recreational

This part supports various recreational uses by maintaining pole alignment

the fascia kit acts as a durable protective layer

1" width finishing trim in black finish to match fireplace aesthetics

Material & Durability: Custom molded construction built for longevity in wet

Pentair Manual Air Relief Valve, 2-3/8", for NS/FNS Filter | 261003 Rectangular Fire & Water Bowl This part supports various recreationalWhat This Part Is Used For Pentair 261003 Manual Air Relief Valve 2 3 8in, NS FNS is a replacement air relief valve for compatible Pentair Nautilus and FNS filter models. It allows manual release of trapped air from the filter tank. Why This Part Matters Trapped air can cause pressure fluctuations and inefficient filtration. A functioning air relief valve restores proper priming and pressure balance. Replacing a leaking or stuck valve prevents filter