The Swimables Machined Nut 194997 / SW-26-997 is a precision replacement nut engineered for Pentair filter clamp assemblies used on FNS Plus, Quad DE, Clean & Clear Plus, and FullFloXF systems. Built from durable, corrosion-resistant material, this nut provides a secure, even tightening force to maintain proper tank sealing and system pressure. It features a 7/8 inch wrench size for easy installation and removal, along with a 5/16-24 fine-thread pattern that matches the original Pentair clamp hardware. Ideal for routine maintenance or clamp refurbishment, this machined nut helps extend filter life by ensuring a reliable, leak-free connection.
Highlights
-
Pentair-Compatible Fit: Designed to match the original clamp nut used on FNS Plus, Quad DE, Clean & Clear Plus, and FullFloXF filter models.
-
Precise 5/16-24 Thread Pattern: Matches the fine-thread Pentair clamp bolt for smooth tightening and secure compression.
-
7/8" Wrench Size: Easy to install or remove using a standard 7/8 inch wrench, making service work quick and straightforward.
-
Durable Machined Construction: Built to resist corrosion, chemical exposure, and outdoor conditions for long service life.
-
Supports Proper Tank Sealing: Ensures consistent clamp pressure to maintain a leak-free filtration system and stable internal pressure.
Compatibility
- Pentair FNS Plus Filters: 180007, 180008, 180009
- Pentair Quad DE Filters: 188592, 188593, 188594
- Pentair Clean and Clear Plus Filters: 160310, 160340, 160301, 160332
- Pentair FullFloXF Filters
Note: This nut may be compatible with your , please refer to your systems owners manual to ensure compatibility.
Diagram

Found In These Collections
Questions & Answers
Have a Question?
Be the first to ask a question about this.