075279 | Pentair Purex Filters Vent Tube | 46"

The OEM Pentair Vent Tube 075279 is a precise 46-inch replacement tube engineered for Purex SM and SMBW 2000 and 4000 series D.E. filters. This essential component preserves proper airflow inside the filter tank by enabling trapped air to escape, which is necessary for maintaining filtration efficiency. Built for compatibility with specified filter models, it ensures seamless integration and straightforward installation. Constructed from durable, pool-grade materials, the vent tube withstands repeated use under chemical exposure and pressure cycles. Its reliable performance contributes directly to consistent filter operation and superior water clarity in swimming pools.

Highlights

• Maintains Airflow for Filtration Efficiency: Ensures proper venting by allowing trapped air to escape from Pentair Purex SM and SMBW filters, supporting optimal performance and preventing system disruption.

• Exact OEM Fit Design: A 46-inch replacement vent tube made to integrate flawlessly with Purex SM and SMBW 2000/4000 series filters, enabling straightforward installation for technicians or DIY users.

• Prevents Air Blockage Issues: Helps avoid air pockets in the filter tank that can impair filtration cycles, pressure buildup, or inconsistent flow, thereby improving system reliability.

• Rugged and Long-Lasting: Constructed using high-strength materials that resist chemical corrosion and mechanical wear for dependable, extended service life.

• Supports Continuous Filter Functionality: By maintaining consistent airflow venting, this vent tube promotes uninterrupted filtration operation, enhancing overall system stability and water clarity.

Includes

• (1) Pentair 075279 Vent Tube 46"

Compatibility

• Pentair Purex SM 2000 Series Filters
• Pentair Purex SM 4000 Series Filter
• Pentair Purex SMBW 2000 Series Filter
• Pentair Purex SMBW 4000 Series Filter

Additional Info

Need to replace your vent tube for a Purex SM or SMBW filter? This section helps walk-in Discount Pool Mart customers identify if the 46-inch Pentair 075279 Vent Tube fits their system, install it correctly, and recognize signs of vent failure that could affect filtration.

Buying the Correct Vent Tube In Store

Before walking into DPM, use these questions to verify fit and compatibility.

Can I buy the Pentair 075279 vent tube in store for my SMBW 4000 filter?

Will this 46-inch tube fit my older Purex SM 2000 filter?

Can I bring my damaged vent tube into DPM to match it?

Does this part work with locally sold Pentair D.E. filters?

Is this the right vent tube for Purex systems available at DPM?

Installing the Vent Tube After Pickup

After you purchase this replacement from DPM, these install tips can help.

How do I insert the 075279 vent tube into the filter assembly?

Should the vent tube extend above the top manifold?

Do I need to drain the tank before replacing the vent tube?

Can I reuse the existing grommet or need a new one?

Troubleshooting Vent Tube Failures

Noticing performance issues? Here are signs your vent tube needs replacing.

Why is air staying trapped in my D.E. filter?

Does a clogged vent tube cause uneven filtration?

What does a cracked or bent vent tube do to my pressure levels?

Should I replace the vent tube during seasonal maintenance?

Diagram