Sta-Rite System 3 21-Inch Lower Half Tank Shell Replacement Pentair 24850-0102S
Sta-Rite System 3 21-Inch Lower Half Tank Shell Replacement Pentair 24850-0102S
Fix your Sta-Rite System 3 filter with the 24850-0102S Lower Half Tank Shell. Shasta Pool Supply offers the best deals on Pentair replacement parts. Specifically, this 21-inch replacement tank shell replaces worn or damaged bottom tank sections.
- Authentic Pentair Replacement Part – Designed specifically for Sta-Rite System 3 filters to ensure a perfect fit and long-lasting performance.
- Leak-Free Design – Maintains a tight seal to prevent leaks and ensure optimal filtration efficiency.
- Restores Filter Performance – Replaces damaged or cracked lower tank shells to keep your pool water crystal clear.

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What our customers are saying
Dan was super helpful and friendly!
Dan was super helpful and friendly!
Evan B
Easy phone & email order, efficient service & pick up times met as promised. I appreciated the process & great customer service
Easy phone & email order, efficient service & pick up times met as promised. I appreciated the process & great customer service
Gale M
Over all price was better than the competition
Over all price was better than the competition
Ray O
FAQ
Our expert staff answers customer's most asked questions.
Are there any specific considerations for saltwater pools?
Yes, saltwater pools require pumps that are compatible with saltwater systems. Look for pumps made from corrosion-resistant materials to ensure longevity and efficiency in saltwater environments.
How does Shasta Pure compare to traditional chlorine systems?
Shasta Pure offers several advantages over traditional chlorine systems:
- No harsh chemicals, providing a more natural swimming experience
- Improved water clarity and softness
- Reduced environmental impact with healthy backwash water
- Lower maintenance requirements
- Increased comfort for sensitive swimmers
Is it OK to replace a 1 HP pool pump with a 1.5 HP?
Yes, you can replace a 1 HP pump with a 1.5 HP pump, provided the exterior dimensions are the same. However, be cautious about the impeller; while it will fit, it won't pump more water since both motors turn at the same RPM.
Learning Center
Blog posts
The latest news and guides making buying and maintaining pool equipment easier.
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Does shopping for a new pool heater feel like reading a foreign language. For most pool owners, that’s exactly what happens. You see numbers like “200K,” “350K,” or “400K BTU”...
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