Description
GROCO Pressure Storage Tank 3.2 Gal Drawdown | Boat Supply Store
Eliminate inconsistent water flow and rapid pump cycling in your onboard potable water system with the GROCO PST-3A. This 3.2-gallon drawdown pressure storage tank utilizes an advanced pneumatic charge system with a rubber bladder to effectively isolate air from water, ensuring smooth, consistent pressure delivery to all outlets. Engineered with a 3/4" NPT thread and a stand mounting design, it integrates seamlessly into systems operating between 30/50 drawdown pressure ratings, providing a superior water experience for any vessel.
Key Features
- Prevents waterlogging through advanced pneumatic pressure charge and isolation bladder
- Provides consistently smooth water pressure for enhanced comfort
- Reduces onboard pump cycling, extending pump lifespan
- Ensures even temperature mix, critical for onboard showers
- Accommodates both freshwater and saltwater applications
- Allows mounting in any orientation for flexible installation
- Offers a substantial 3.2-gallon drawdown capacity
- Includes all necessary mounting hardware for straightforward installation
Specifications
| Product Specifications | |
|---|---|
| Drawdown Capacity | 3.2 Gallon |
| Diameter | 15" |
| Mounting | Stand Mounting |
| Drawdown Pressure Rating | 30/50 |
| Thread Size | 3/4" NPT |
Who This Is For
Boat owners and marine system installers seeking to optimize onboard water pressure systems by mitigating pump short-cycling and achieving a more consistent water delivery. Ideal for vessels where smooth, reliable water flow is a priority for comfort and system longevity.
How It Compares
| Feature | GROCO Pressure Storage Tank 3.2 Gal Drawdown | Competitor |
|---|---|---|
| Drawdown Capacity | 3.2 Gallon | 3.0 Gallon, 1.0 Gallon |
| Thread Size | 3/4" NPT | 1/2" NPT, 1/2" NPT |
| Mounting | Stand | Mounting Brackets, Mounting Brackets |
| Water Type | Fresh or Saltwater | Freshwater, Freshwater |
Common Concerns Answered
Is the initial cost of the GROCO PST-3A prohibitive compared to simpler options?
While the initial investment for the GROCO PST-3A may exceed that of basic accumulator tanks, its advanced design, featuring a rubber bladder for superior air-water separation, significantly reduces pump wear and provides unparalleled water flow consistency. These long-term operational benefits and enhanced user comfort typically justify the upfront cost for discerning boat owners.
Will I need to adjust my pump settings after installing the GROCO PST-3A?
Some users may find it beneficial to fine-tune their onboard pump's cut-on and cut-off pressure settings to achieve optimal performance and maximum drawdown from the GROCO PST-3A. This adjustment ensures the system operates efficiently, maximizing the benefits of the accumulator tank.
How does this tank compare to competitors?
The GROCO PST-3A offers a larger 3.2-gallon drawdown capacity and is suitable for both fresh and saltwater applications, unlike some competitors limited to freshwater. Additionally, its 3/4" NPT thread provides a more robust connection than the 1/2" NPT found on many competing models, and its stand-mounting capability offers greater installation flexibility.
Frequently Asked Questions
What is the drawdown capacity of the GROCO PST-3A?
The GROCO PST-3A has a drawdown capacity of 3.2 gallons.
How does the GROCO PST-3A prevent waterlogging?
It prevents waterlogging through its pneumatic pressure charge system which utilizes a rubber bladder to effectively isolate air from the water, maintaining consistent pressure and preventing air from entering the water lines.
Can the GROCO PST-3A be used for both fresh and saltwater systems?
Yes, the GROCO PST-3A is suitable for both freshwater and saltwater applications.
What is the thread size for the GROCO PST-3A?
The GROCO PST-3A features a 3/4" NPT thread size for connections.
Can the GROCO PST-3A be mounted in any position?
Yes, the GROCO PST-3A is designed to be mounted in any position on your vessel.
