SZ4430 - Universal Supco Refrigerator Evaporator.

SZ4430 – Universal Supco Refrigerator Evaporator

The SZ4430 Universal Supco Refrigerator Evaporator is a high-quality aftermarket replacement component designed for compatible Sub-Zero refrigerators. Measuring approximately 20 inches long, 16 inches wide, and 1 inch deep, this evaporator helps transfer heat within the refrigerator's sealed cooling system to maintain the required operating temperature.

Available through Appliance Kingdom for Canadian customers, this replacement part is intended for appliance repair professionals, homeowners, landlords, and property managers seeking a solution for refrigerator cooling problems. Before ordering, verify the part number, dimensions, and appliance compatibility to ensure the correct fit.

Function & Importance

The refrigerator evaporator is a heat exchanger within the refrigeration system. It absorbs heat from inside the appliance as refrigerant circulates through the system, supporting the cooling process.

A properly matched evaporator is essential for effective heat transfer, reliable cooling performance, and the intended operation of the refrigerator. Incorrect dimensions or incompatible connections can affect installation and system performance.

Common Symptoms Indicating Replacement

A faulty or damaged evaporator or a related refrigeration-system problem may be associated with the following symptoms:

• Refrigerator compartment is too warm.

• Freezer compartment is too warm or too cold.

• Excessive frost buildup.

• Refrigerator runs for extended periods.

• Refrigerator does not start or cool as expected.

These symptoms do not necessarily confirm that the evaporator needs replacement. A qualified technician should diagnose the refrigeration system before ordering the part.

Compatibility & Ordering Guidance

The SZ4430 is listed for compatible Sub-Zero refrigerator applications. Its published dimensions are approximately 20 × 16 × 1 inches.

Always verify your refrigerator's complete model number, the original component's dimensions, and the required connections before purchasing. Contact Appliance Kingdom for assistance confirming compatibility.

Replaces Part Numbers

The following replacement references are documented in Supco's product catalogue and supporting parts documentation:

• 4204430PR

• 3130420PR

Confirm the application and part requirements before ordering, as compatibility depends on the specific refrigerator.

Key Features & Benefits

• Supco aftermarket refrigerator evaporator.

• Designed for compatible Sub-Zero refrigerator applications.

• Approximate dimensions: 20 × 16 × 1 inches.

• Supports heat transfer within the refrigeration system.

• Suitable for professional appliance repair and replacement projects.

• Helps address evaporator-related cooling problems when diagnosis confirms the component is faulty.

Installation Overview

Evaporator replacement is an advanced refrigeration repair. The procedure can involve accessing the sealed cooling system, recovering refrigerant, handling refrigerant lines, brazing connections, and evacuating and recharging the system.

This repair is not recommended as a routine DIY project. Installation should be performed by a qualified refrigeration technician with the appropriate tools, training, and refrigerant-handling qualifications.

Canada-Wide Availability & Appliance Kingdom Support

Appliance Kingdom is a Canadian appliance parts supplier based in Edmonton, Alberta, serving customers across Canada. We support homeowners, landlords, and professional repair technicians looking for replacement components for their appliances.

Check current stock and shipping availability before ordering this part.

Buyer Confidence

Choosing the correct evaporator requires matching the original component's dimensions, connections, and appliance application. If you are unsure whether SZ4430 is suitable for your refrigerator, contact Appliance Kingdom with your model number and existing part details before purchasing.