Waterway Plastics Cartridge Manifold Plug
Best replacement part for pool owners maintaining specific large-capacity filtration systems.
This essential plug keeps your filtration system airtight, preventing the leaks that turn routine maintenance into a headache. It’s a simple, no-nonsense fix that restores pressure and circulation, trading complex repairs for a straightforward, durable solution that gets your pool back to peak performance.
$74.95
at
Sunplay
Who it's for
- Pool owners seeking guaranteed compatibility with existing Waterway systems
- Maintenance pros needing a reliable, leak-free seal for unused ports
- DIYers wanting quick, hassle-free installation and seasonal winterization
Who should skip it
- Owners in high-sun climates concerned about long-term plastic durability
- Users who struggle with delicate O-ring maintenance and placement
- Budget-conscious shoppers looking for inexpensive, generic plumbing alternatives
Performance breakdown
Seal Integrity
Precision engineering ensures a watertight fit to prevent pressure loss.
Material Durability
Corrosion-resistant construction stands up to harsh pool chemical environments.
Installation Simplicity
Straightforward design makes routine filter maintenance quick and hassle-free.
System Compatibility
Perfectly matched for Waterway 325, 425, and 525 filter models.
Flow Efficiency
Maintains optimal water circulation by eliminating internal system leaks.
Maintenance Accessibility
Easy removal allows for rapid access during seasonal filter cleanings.
Key Specs
Weight
0.81 lbs
Brand
Waterway
Type
Plug, Cartridge Manifold
Compatible Models
Waterway 325 SQ FT, 425 SQ FT, 525 SQ FT
Warranty
1 year manufacturer warranty
SKU
519-4320
MPN
519-4320
Know before you buy
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Ask Metto anything about the Waterway Plastics Cartridge Manifold Plug before you decide.
