Choose your RO Replacement Filter

Crafted with high-quality stainless-steel tubing that resists corrosion and rust, this flexible design ensures durability without kinks or crimps.

A durable wrench designed for big and compact housings in blue, clear, white, and black finishes. Its unique angled design provides easier handling, while fitting most industry-standard 4.5-inch diameter filters.

O-rings should always be replaced when changing filter cartridges to help prevent potential water leakage.
Crafted with high-quality stainless-steel tubing that resists corrosion and rust, this flexible design ensures durability without kinks or crimps.
A durable wrench designed for big and compact housings in blue, clear, white, and black finishes. Its unique angled design provides easier handling, while fitting most industry-standard 4.5-inch diameter filters.
O-rings should always be replaced when changing filter cartridges to help prevent potential water leakage.



Whole House Systems Parts and Accessories
From filters to housings and fittings, every piece plays a role in making sure the water flowing through your taps is clean, safe, and refreshing. That’s why choosing high-quality whole house system parts matters. With APEC’s trusted line of water filter parts and accessories, you’ll have everything you need to keep your system running smoothly for years to come.
APEC offers a full lineup of whole house system parts designed for easy upkeep and reliable performance.
Whatever your system needs, APEC has you covered with durable, compatible components that work seamlessly with APEC water systems and many other brands.
Key Benefits of APEC Parts
Everything You Need: From filters to housings and fittings, APEC offers a complete range of replacement parts for water filtration systems.
Built to Last: Every part is made from tough, high-quality materials you can rely on.
Easy to Replace: Designed with homeowners in mind, these parts make maintenance simple and stress-free.
Installation Kits
Constructed from premium stainless-steel tubing for superior resistance to corrosion and rust, this flexible design delivers long-lasting durability without bending, kinking, or crimping.
Housing Wrenches
This heavy-duty wrench is engineered for both big and compact housings in blue, clear, white, and black finishes. Featuring a unique angled design for improved grip and ease of use, it is compatible with most industry-standard 4.5-inch diameter filters.
O-Ring
For optimal performance and to prevent potential leaks, O-rings should be replaced whenever filter cartridges are changed.
APEC Water Filter FAQs
How do I know which parts are compatible with my whole house system?
Check your user manual or use APEC’s online filter finder tool. Still unsure? APEC’s customer service team is happy to help. Contact Us
What’s the lifespan of different parts in a whole house system?
Sediment and carbon filters usually last 6–12 months. O-rings may need replacing once a year, while housings and fittings can last for several years with proper care.
How often should I replace filters and other components?
On average, replace filters every 6–12 months, depending on water quality and household use. Inspect O-rings at each filter change and replace them if worn. Housings and fittings should only be replaced if damaged.
Please check if your system's product manual for more information or if you have questions, APEC’s customer service team is happy to help. Contact Us