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The AQUA CREST AP431 inline whole house scale inhibitor uses food-grade polyphosphate to prevent calcium and magnesium scale buildup, protecting water heaters, pipes, and boilers. Featuring durable BPA-free materials and stainless steel adapters, it supports a stable 10 GPM flow rate and easy installation on cold-water lines. This system extends appliance lifespan, improves energy efficiency, and offers up to 6 months of reliable scale protection.







| ASIN | B0BMTT8GGG |
| Best Sellers Rank | #100,920 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Water Softeners |
| Item model number | AQU-WF65S |
| Manufacturer | AQUA CREST |
| Product Dimensions | 6.35 x 6.35 x 31.5 cm; 861.83 g |
R**N
All good
A**R
Easy install and mantinace.
R**E
Looks identical to the Waterloo and the 3M product at twice the price
M**L
The thread seemed to be a little rough I had a stainless steel street el to attach and had a rough time getting it in as far as I needed. Worked out fine though
J**E
will work as it should best product for the cost no problems to date
Trustpilot
1 month ago
1 day ago