Pentair
Pentair Base with Pipe Plug
Best replacement part for homeowners maintaining their own pool filtration systems.
Ensure your pool or spa filtration system operates at peak performance with the Pentair Base with Pipe Plug. This essential replacement component is engineered for seamless integration with existing Pentair pool products, offering a reliable and cost-effective repair solution. Designed for straightforward residential installation, it plays a crucial role in maintaining system efficiency and longevity. Keep your pool or spa water crystal clear and your equipment running smoothly with this vital part, identified by Manufacturer SKU WC104-78P. Please be aware of the California Proposition 65 warning associated with this product.
$71.43
Owner Satisfaction
4.5
/ 5
Category Rank
446
/ 2958
#446 in Pool & Spa Accessories
Price vs Category Average
-78%
Below average
Product Type
Pool Part
/ Pool Part
Who it's for
- Pentair owners seeking a guaranteed leak-proof equipment fit
- Pool owners needing long-term durability against harsh chemical exposure
- DIY maintainers requiring easy access for winterization and system draining
Who should skip it
- Budget-conscious shoppers looking for affordable generic replacement parts
- Installers prone to over-tightening or living in freezing climates
- Owners of mixed-brand pool systems with non-Pentair equipment
Performance breakdown
Compatibility Precision
Engineered for a perfect fit across Pentair and Sta-Rite systems.
Installation Simplicity
Straightforward design allows for quick, hassle-free residential maintenance.
Material Durability
Robust construction withstands the harsh chemical environment of pool filtration.
System Efficiency
Restores optimal flow and pressure to keep your water crystal clear.
Repair Value
A cost-effective alternative to replacing the entire filtration assembly.
Component Reliability
Dependable OEM quality ensures long-term performance for your pool equipment.
Key Specs
Product Type
Pool Part
Manufacturer
Pentair
Installation Type
Residential
Compatible Brands
Pentair, Sta-Rite
Part Number
WC104-78P
Manufacturer SKU
WC104-78P
Catalog Part Number
9239-07
Features
- Direct replacement for Pentair pool filters
- Includes essential pipe plug
- Maintains filter system efficiency
- Cost-effective repair solution
- Designed for residential installation
- Ensures continued system operation
- Reliable component for filter maintenance
What customers say
Customer satisfaction centers on the exceptional fit and seamless compatibility of this genuine Pentair base. Reviewers consistently praise it as an excellent, direct replacement that restores system integrity without modification. Installation is easy and intuitive, and the inclusion of the necessary pipe plug ensures a complete, efficient replacement process. While the premium cost for OEM quality is noted, the overwhelming sentiment is that the peace of mind derived from using a guaranteed, high-quality part outweighs the expense. This product successfully delivers a reliable, exact fit solution essential for pool maintenance, reinforcing trust in the brand's material quality.
Know before you buy
This part is designed as a direct replacement for various Pentair and Sta-Rite pool filters. We recommend checking your existing filter’s manual or the label on your current base to confirm it matches part number WC104-78P or 9239-07.
Yes, this unit includes the essential pipe plug required for installation. You may need standard pool maintenance tools to complete the replacement, but no additional specialized components are required.
The base is designed for straightforward residential installation. If you are comfortable with basic pool equipment maintenance, you should be able to replace it yourself, though you should always ensure the system is powered off and depressurized before starting.
The warning is a standard requirement for many pool components that contain materials regulated under California law. It does not mean the product is unsafe for normal use, but it serves as a notification regarding the chemical composition of the materials used in manufacturing.
Replacing a worn or damaged base helps restore the structural integrity of your filter system. By ensuring a proper seal and stable housing, this part helps maintain optimal water flow and overall system efficiency.
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