Groco PST-3A Pressure Storage Tank 3.2 Gallon Drawdown

The Groco PST-3A is a 3.2-gallon drawdown pressure storage tank designed to optimize freshwater and saltwater plumbing systems on boats and marine vessels. This pneumatic pressure tank uses a rubber bladder to separate the air charge from system water pressure, preventing waterlogging and ensuring consistent performance.

Key Features:

• 3.2-gallon drawdown capacity at 30/50 PSI pressure settings
• Rubber bladder design prevents air charge from mixing with system water
• Reduces pump cycling for extended pump life and energy efficiency
• Provides smooth, consistent water pressure and even temperature mixing in showers
• Versatile mounting - can be installed in any position anywhere in cold water plumbing after the pump
• Suitable for both fresh and salt water applications
• 15-inch diameter tank with stand mounting configuration
• 3/4-inch NPT threaded connection for easy integration
• Includes mounting hardware for convenient installation

The pneumatic pressure charge is precisely matched to the pump cut-on pressure, delivering reliable performance and protecting your plumbing system. Ideal for marine applications where consistent water pressure and reduced pump wear are essential.

Specifications:

• Diameter: 15 inches
• Drawdown Capacity: 3.2 gallons (30/50 PSI)
• Connection: 3/4-inch NPT thread
• Mounting Style: Stand