Pentair Stark - 20" Lateral (B4960)

Pentair STARK 20" Lateral (B4960) – Replacement Sand Filter Lateral, 20" x 2" MPT

Product Description:
The Pentair STARK 20" Lateral (B4960) is a high-quality replacement component designed to maintain peak filtration performance in Pentair STARK sand filter systems. Installed at the base of the filter tank, the lateral helps evenly distribute water flow and prevent sand from escaping into the pool system. Constructed from durable, corrosion-resistant materials, this 20" lateral ensures long service life and reliable operation in both residential and commercial pool environments.

Whether you’re performing a seasonal rebuild, repairing uneven filtration, or replacing damaged internal components, the Pentair STARK lateral provides a precise OEM fit for dependable, like-new performance. Its 2" MPT threaded connection allows for secure installation and compatibility with a wide range of Pentair STARK filter configurations.

Maintaining properly functioning laterals helps support effective backwashing, consistent water clarity, and improved overall system efficiency. Replacing worn or cracked laterals prevents sand loss, cloudy water, and strain on pumps and filtration equipment.

Key Features:

• OEM Pentair Replacement Part for STARK Sand Filters

• 20" length lateral for optimal media and water flow distribution

• 2" Male Pipe Thread (MPT) connection for secure installation

• Durable, corrosion-resistant construction for long service life

• Helps maintain proper filtration efficiency and water clarity

• Ideal for pool maintenance, repairs, and complete filter rebuilds

• Suitable for both residential and commercial pool systems

Specifications:

• Model: B4960

• Product Type: Lateral

• Length: 20"

• Connection: 2" MPT

• Compatibility: Pentair STARK Series Sand Filters

• Material: High-strength, chemical-resistant polymer

Signs You May Need a Replacement:

• Sand returning to pool through return lines

• Reduced filtration efficiency or cloudy pool water

• Uneven sand bed or improper backwashing behavior

• Visible cracks or wear on existing lateral assemblies

Why Choose Genuine Pentair Replacement Parts:
Using OEM Pentair parts helps maintain equipment integrity, ensures compatibility, and supports long-term system efficiency. Genuine components are engineered to meet manufacturer specifications, delivering reliable performance you can trust.