Atlantic
Atlantic Pump Vault Extension (PVEXT)
Best height extender for deep pond pump vault installations.
Elevate your pond setup with the Atlantic Pump Vault Extension (PVEXT). This durable, rotomolded polyethylene extension increases the height of your existing pump vault, making it ideal for deeper basin installations. Designed for seamless integration, it shares the same footprint as Eco-Blox and accommodates up to 3-inch plumbing and auto fills. The innovative slotted sides ensure consistent flow, even if partially obstructed by a pond liner, providing reliable protection for your circulation system. It's compatible with Atlantic's PV7500 and PV15000 pump vaults, offering a versatile solution for enhanced pond circulation.
$307.99
Owner Satisfaction
4.6
/ 5
Category Rank
496
/ 2530
#496 in Fountain & Pond Accessories
Price vs Category Average
-36%
Below average
Material
Rotomolded Polyethylene
/ Rotomolded Polyethylene
Who it's for
- Pond owners needing less frequent water top-offs
- Landscape designers installing high-flow water features
- DIY installers seeking a simple, secure modular upgrade
Who should skip it
- Owners of non-Atlantic pond filtration systems
- Budget-conscious buyers managing strict project costs
- Maintenance crews preferring easy access to deep equipment
Performance breakdown
Structural Durability
Rotomolded polyethylene construction ensures long-term resilience against heavy pond basin pressure.
Installation Compatibility
Seamlessly matches Eco-Blox footprints for a straightforward, modular pond setup.
Flow Efficiency
Slotted side panels maintain consistent water circulation even under partial debris obstruction.
Plumbing Versatility
Accommodates up to 3-inch plumbing lines for high-capacity circulation system demands.
Load Bearing Capacity
Reinforced lid design safely supports gravel and incidental foot traffic overhead.
System Integration
Perfectly engineered to extend the depth of Atlantic’s primary pump vaults.
Key Specs
Material
Rotomolded Polyethylene
Dimensions
27"L x 16"W x 18⅜"H
Opening Size
12.25" x 14.75"
Discharge Ports
2" & 3"
Compatibility
PV7500 (#89583) and PV15000 (#89584)
Warranty
Lifetime
Plumbing Accommodation
Up to 3" plumbing
Accessory Type
Pump
Features
- Increases vault height for deeper installations
- Low profile lids support gravel and foot traffic
- Maintains rated flow with slotted sides
- Accommodates multiple pumps
- Integrates up to 3" plumbing easily
- Constructed from durable polyethylene
- Simplified installation with Eco-Blox footprint
What customers say
Customers consistently praise the Atlantic Pump Vault Extension for its exceptional ease of use and perfect fit. Reviewers highlight that the extension slides securely onto the existing vault, simplifying deeper installations without requiring modifications. This seamless integration saves significant time during setup, making the installation process straightforward. The material quality is also noted as reliable and durable, providing confidence that the structure will hold up underground for years. It is seen as an essential, high quality accessory that delivers exactly what is promised.
Know before you buy
The PVEXT extension is specifically designed to fit the Atlantic PV7500 and PV15000 pump vaults.
No, the extension features slotted sides that ensure consistent water flow to your pump, even if the sides are partially obstructed by pond liner or debris.
Yes, the extension includes a low-profile, heavy-duty lid designed to support gravel coverage and occasional foot traffic.
The extension is built to accommodate plumbing up to 3 inches in diameter, providing flexibility for larger pump setups.
The PVEXT shares the same footprint as Atlantic Eco-Blox, which allows for seamless integration and a stable, uniform installation within your basin.
Yes, the interior space is designed to accommodate multiple pumps, making it a practical choice for complex circulation systems.
Still have a question?
Ask Hayley anything about this product before you decide.