---
product_id: 70944971
title: "AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3"
brand: "aqua crest"
price: "€ 59.21"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/70944971-aquacrest-ap431-replacement-cartridge-for-aqua-pure-ap430ss-whole-house
store_origin: IE
region: Ireland
---

# 10 gpm flow rate BPA-free housing 6-month lifespan AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3

**Brand:** aqua crest
**Price:** € 59.21
**Availability:** ✅ In Stock

## Summary

> 💦 Keep Your Water Flowing Smoothly!

## Quick Answers

- **What is this?** AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3 by aqua crest
- **How much does it cost?** € 59.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/70944971-aquacrest-ap431-replacement-cartridge-for-aqua-pure-ap430ss-whole-house)

## Best For

- aqua crest enthusiasts

## Why This Product

- Trusted aqua crest brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from food-grade materials for safe and reliable water usage.
- • **Easy Compatibility:** Interchangeable with multiple models for hassle-free replacement.
- • **Leak-Free Assurance:** Engineered for a precise fit, ensuring no water leakage.
- • **Whole House Solution:** Delivers a robust 10 gpm flow rate to meet all your household needs.
- • **Protect Your Investment:** Extend the life of your water appliances with premium polyphosphates.

## Overview

The AQUACREST AP431 Replacement Cartridge is designed to protect your water appliances from scale buildup and corrosion, ensuring a longer lifespan and optimal performance. With a flow rate of up to 10 gpm, this cartridge is compatible with various Aqua-Pure models and features a durable, BPA-free design for safe water usage.

## Description

AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3

## Features

- 【Protects water appliances】: Please note that the model name of this product is: AQU-WF65, Replacement Cartridge for Aqua-Pure AP430SS/AP431. AQUACREST AP431 scale inhibitor cartridge adopts premium polyphosphates that can effectively prevent limescale and corrosion from building up, therefore, the corrosion and blockage of pipelines can be inhibited. The excellent filter material can protect and extend the service life of your water appliances, like heaters, dishwashers, etc.
- 【Prevents bursting】: Food-grade BPA-free plastic housing adopts excellent strength with latest advanced technology. Accurate design promises a precise fit without water leakage. AQUACREST AP431 scale inhibitor ensures you a safe water usage experience.
- 【Inhibits limescale】: Scale inhibitor provides you with stable and continuous filtered water without an obvious pressure drop. The flow rate is up to 10 gpm so it can meet the water demand for the whole house.
- 【 Long-lasting service life】: It's recommended that you replace the inhibitor every 6 months for effective scale inhibition, which will vary based on water conditions.
- 【Compatible models】: Replacement for 3M Aqua-Pure AP431, HF8-S, KleenWater KW431. Interchangeable with 3M Aqua-Pure AP430, AP430SS and SF18-S Scale Inhibition System.

## Product Details

- **Material:** Food-grade polyphosphates
- **Product Dimensions:** 2.3"D x 2.3"W x 9.2"H
- **External Testing Certification:** RoHS
- **Product Benefits:** Easy of Installation, Prevent Limescale and Corrosion
- **Brand:** AQUA CREST

## Images

![AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3 - Image 1](https://m.media-amazon.com/images/I/61SlHBT3s2L.jpg)

## Frequently Bought Together

- AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3
- AQUA CREST AP431 Replacement for Aqua-Pure AP430SS, Whole House Scale Inhibitor Water Filter, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 1
- AQUA CREST AP431 AP430SS Whole House Scale Inhibitor - Inline Water System, Prevents Scale Build Up On Hot Water Heaters, Pipes and Boilers

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-24*