Nu Calgon RX11 Flush Kit 2 Canisters & Valve HVAC Refrigerant System 4300-10

SKU: 4300-10

Weight	7 lbs
Dimensions	14 × 10 × 6 in
Condition	New
Manufacturer Part Number	4300-10
Brand	Nu Calgon

$641.78

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$641.78	0%
5–9	$609.69	5%
10+	$577.60	10%

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Nu Calgon RX11 Flush Kit 2 Canisters & Valve HVAC Refrigerant System 4300-10

Specifications & product details

Nu Calgon RX11 Flush Kit – 2 Canisters & Valve (MFG# 4300-10)

The Nu Calgon RX11-FLUSH Kit is a professional-grade flushing solution designed specifically for HVAC and refrigeration systems. This kit is used to clean internal system components after a compressor burnout or during system retrofits, helping remove contaminants that can damage new parts or reduce system performance.

RX11 Flush is engineered to rinse away:

Particulate and sludge
Carbon residues
Acids
Oils
Water contamination

Key Benefits

Non-toxic
Non-flammable
Ozone-safe
Strong cleaning performance for HVAC professionals
Helps reduce repeat service calls and improves system reliability

Includes

RX11 Flush Kit with 2 Canisters & Valve
Manufacturer Part Number: MFG# 4300-10
Reference/Alt #: 6R615KIT

Condition: Brand New

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Features

Genuine Nu-Calgon OEM HVAC Flush Kit
Manufacturer Part Number: 4300-10
Complete RX11 Flush System
Includes 2 RX11 Flush Canisters
Professional flushing valve and applicator assembly
Removes oil, sludge, carbon deposits, acid residue, and contaminants
Helps prepare systems before compressor replacement
Improves refrigerant system cleanliness and performance
Designed for fast, controlled flushing
Durable professional-grade components
Suitable for residential and commercial HVAC service
Convenient storage box for organization and transport

Applications

Ideal for use on:

Air Conditioning Systems
Refrigeration Systems
Heat Pumps
Split Systems
Mini-Split Systems
Commercial HVAC Equipment
Residential HVAC Systems
Refrigerant Line Sets
Evaporator Coils
Condenser Coils
Compressor Replacement Jobs
Refrigerant Retrofit Projects

Benefits

Removes harmful system contaminants
Helps prevent repeat compressor failures
Cleans refrigerant line sets quickly and efficiently
Improves system reliability and performance
Reduces installation time during system replacement
Easy-to-use professional flushing system
Compact carrying case for convenient transport
Trusted by HVAC and refrigeration technicians worldwide

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

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