523441Z In-Line Filter and Jaco Fitting for Pentair® EC-523476 and 523476 ChemCheck Swimming Pool Water Testing, Swimming Pool Water Quality Monitoring System
Introducing the ultimate solution for pristine swimming pool water quality – the 523441Z In-Line Filter with Jaco Fitting, meticulously designed to seamlessly integrate with the Pentair® EC-523476 and 523476 ChemCheck Swimming Pool Water Testing and Monitoring System.
Crafted with precision and durability in mind, this in-line filter is engineered to deliver unparalleled performance, ensuring your pool water remains crystal clear and free from impurities. Its robust construction guarantees long-lasting reliability, providing peace of mind season after season.
Equipped with a high-quality Jaco fitting, installation is a breeze, allowing for effortless integration with your existing water testing setup. The innovative design ensures a secure and leak-free connection, eliminating the hassle of maintenance and repairs.
Say goodbye to cloudy water and chemical imbalances. With the 523441Z In-Line Filter and Jaco Fitting, you can trust that your swimming pool water is consistently maintained at optimal levels of cleanliness and purity. Dive into a refreshing oasis of clarity and enjoy endless hours of leisure and relaxation, knowing that your pool is in expert hands.


Pentair® ChemCheck Useful Links
- Find more information on ChemCheck at Pentair®.com
- ChemCheck / Pentair® Home User’s Guide
- ChemCheck Install Guide – English
- ChemCheck Install Guide – Spanish
- ChemCheck Install Guide – French
- ChemCheck Quick Start Guide – English
- ChemCheck Quick Start Guide – Spanish
- ChemCheck Quick Start Guide – French
- ChemCheck Brochure – English
- ChemCheck Brochure – Spanish
- ChemCheck Brochure – French
Pentair® ChemCheck Replacement Parts

1 – Top Cover 523527
2 – Flow Valves (inlet AND outlet) 523539
3 – Flow Switch 523540
4 – Power Supply (includes Item 6) 523526
5 – Battery Pack 523387z
6 – Battery Cover 523396z
7 – Electrode 523399z
8 – Drain Plug Assembly 523522
9 – Reservoir 523506z
10 – Reservoir O-ring 523516z
11 – In-line Filter 523441z
12 – Install Hardware Kit 523440z
13 – Tubing, 20 ft. 521814
14 – Tube Fitting 523439Z
15 – Antenna 523385z
16 – Base Assembly (includes Items 2, 3 and 14) 523541
We sells only brand new products; however, we do not provide any warranty coverage ourselves, nor do we guarantee manufacturer warranty eligibility.
It is the sole responsibility of the purchaser to verify whether a product qualifies for warranty coverage prior to making a purchase.
We strongly recommend contacting the product manufacturer directly to confirm warranty eligibility.
By completing your purchase, you acknowledge and agree that we are not liable for warranty coverage or support if the manufacturer refuses to honor the warranty based on their policies.

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