Pentair 521378 Tank - 4 Gallon, Muriatic Acid

What This Part Is Used For
Pentair 521378 Tank - 4 Gallon, Muriatic Acid is a replacement chemical storage tank used in compatible Pentair acid feed systems. It is designed to hold muriatic acid for automated pH control.

Why This Part Matters
A deteriorated acid tank can lead to leaks and inconsistent dosing. Replacing the tank restores proper containment and safe operation. Reliable storage supports accurate pH adjustment.

Key Features and Specifications

• Manufacturer part number 521378
• 4 Gallon tank capacity
• Designed for Muriatic Acid storage
• Used in compatible Pentair feed systems
• Replacement chemical storage component

Installation and Fitment Guidance
Disconnect and flush lines before replacing the tank. Confirm by manufacturer part number before ordering. Verify secure pump and tubing connections after installation.

About the Pentair Brand
Pentair chemical control systems are engineered for accurate pool water balance. Their tanks and feed components are designed for compatibility. Pentair products are used in both residential and commercial settings. Genuine Pentair parts help maintain dependable pH control.

Common Service Context
Common during chemical automation service or when replacing aging acid tanks.