---
product_id: 24038495
title: "NU CALGON 4300-09 RX-11 Flush Kit 3-4 Ton-952469"
brand: "nu-calgon"
price: "A$148"
currency: AUD
in_stock: true
reviews_count: 6
category: "Nu Calgon"
url: https://www.desertcart.com.au/products/24038495-nu-calgon-4300-09-rx-11-flush-kit-3-4
store_origin: AU
region: Australia
---

# Powerful sludge & residue removal Eco-friendly, non-ozone depleting Patented solvent tech NU CALGON 4300-09 RX-11 Flush Kit 3-4 Ton-952469

**Brand:** nu-calgon
**Price:** A$148
**Availability:** ✅ In Stock

## Summary

> ⚡ Flush like a pro—clean systems, clear conscience!

## Quick Answers

- **What is this?** NU CALGON 4300-09 RX-11 Flush Kit 3-4 Ton-952469 by nu-calgon
- **How much does it cost?** A$148 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/24038495-nu-calgon-4300-09-rx-11-flush-kit-3-4)

## Best For

- nu-calgon enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** 3.2 oz kit fits easily in your toolkit without weighing you down.
- • **Plug-and-Play Convenience:** No assembly or batteries needed—ready to use right out of the box.
- • **Safe & Sustainable Formula:** Non-toxic, non-flammable, and ozone-friendly for responsible maintenance.
- • **Perfect for R-410A Retrofits:** Specifically engineered for seamless line set flushing during modern HVAC upgrades.
- • **Industrial-Grade Solvent Power:** Flushes away sludge, carbon, oils, acids & water with unmatched efficiency.

## Overview

The NU CALGON 4300-09 RX-11 Flush Kit is a patented, high-performance solvent designed to thoroughly clean refrigeration and air conditioning systems by removing sludge, carbon residue, oils, acids, and water. Ideal for 3-4 ton units and R-410A retrofits, it offers a non-toxic, non-flammable, and environmentally safe solution that requires no assembly and weighs just 3.2 ounces.

## Description

Rx11-flush is a unique solvent that has been engineered for Flushing refrigeration and air conditioning systems | its patented huff based solvent formulation is powerful enough to flush away sludge, carbon residue, oils, acids, water and other particulate | ideal for system Flushing after burnouts, retrofits and for Flushing line sets for R-410A conversions | it is non-toxic, non-flammable and is non-ozone depleting - rx-11 flush kit 3-4 Ton - 952469 - manufacturer part number: 4300-09 - manufacturer: Nu colon.

Review: magic stuff - Stuff is magic, dissolves everything.
Review: Great price - This product works as it should and is a great price!

## Features

- Manufacturer: nu colon
- Manufacturer part Number: 4300-09
- Rx-11 Flush Kit 3-4 ton - 952469

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0086H840C |
| Assembly required | No |
| Batteries required | No |
| Best Sellers Rank | #170,900 in Automotive ( See Top 100 in Automotive ) #387 in Air Conditioning Line Repair Tools |
| Customer Reviews | 4.1 4.1 out of 5 stars (31) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.2 ounces |
| Item model number | 4300-09 |
| Manufacturer | NU CALGON |
| Product Dimensions | 3 x 3 x 7.5 inches |

## Images

![NU CALGON 4300-09 RX-11 Flush Kit 3-4 Ton-952469 - Image 1](https://m.media-amazon.com/images/I/815n+xaJAaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ magic stuff
*by J***G on April 21, 2025*

Stuff is magic, dissolves everything.

### ⭐⭐⭐⭐⭐ Great price
*by B***R on January 13, 2024*

This product works as it should and is a great price!

### ⭐ This is not required nor is it recommended to be used by equipment manufacturers
*by B***N on August 23, 2016*

This is not required nor is it recommended to be used by equipment manufacturers. If you do choose to use this special procedures are needed as the chemicals left over can cause acid build up and compressor failure in new equipment.

## Frequently Bought Together

- NU CALGON 4300-09 RX-11 Flush Kit 3-4 Ton-952469
- Nu-Calgon 4300-51 Rx11 Flush Gun
- NU-CALGON Flush Injection Tool

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/24038495-nu-calgon-4300-09-rx-11-flush-kit-3-4](https://www.desertcart.com.au/products/24038495-nu-calgon-4300-09-rx-11-flush-kit-3-4)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-15*