SZ4400 - Universal Supco Refrigerator Evaporator

SZ4400 – Supco Refrigerator Evaporator

The SZ4400 Universal Supco Refrigerator Evaporator is a high-quality aftermarket replacement component designed for compatible Sub-Zero refrigerators. Manufactured by Supco, this evaporator measures 29 inches × 8 inches × 1 inch and is designed to replace the corresponding original evaporator in supported refrigerator applications. It is intended for refrigeration systems requiring a compatible evaporator assembly. Appliance Kingdom serves customers across Canada with appliance replacement parts and Canada-wide shipping.

Important: Verify your refrigerator's model number and the required evaporator specifications before ordering to ensure compatibility.

Function & Importance of the Refrigerator Evaporator

The evaporator is a critical component of a refrigerator's sealed refrigeration system. It absorbs heat from inside the appliance as refrigerant circulates through the evaporator coil, helping maintain the temperatures required for food preservation.

A correctly matched evaporator is essential for effective heat transfer, reliable cooling performance, and proper refrigeration system operation. Incorrect dimensions or incompatible refrigeration specifications can affect cooling performance and system reliability.

Common Symptoms of a Faulty Refrigerator Evaporator

Problems associated with an evaporator or its surrounding refrigeration system may include:

• Refrigerator or freezer compartments not reaching the required temperature

• Insufficient cooling despite the compressor operating

• Uneven cooling throughout the refrigerator

• Excessive frost or ice accumulation on the evaporator

• Reduced refrigeration performance

These symptoms do not automatically indicate a defective evaporator. Refrigerant leaks, airflow restrictions, defrost system faults, and other sealed-system problems can produce similar symptoms. A qualified technician should diagnose the underlying cause before replacing the evaporator.

Will Replacing the Evaporator Fix My Refrigerator?

Replacing the evaporator can restore cooling performance when the original evaporator is confirmed to be defective and the replacement is compatible with the refrigerator. However, the replacement will not resolve unrelated problems involving the compressor, refrigerant charge, fans, defrost components, or other refrigeration system parts.

Professional diagnosis is recommended before ordering this component.

Compatibility & Ordering Guidance

The Supco SZ4400 is designed for compatible Sub-Zero refrigerator applications.

Before purchasing, verify:

• The complete refrigerator model number

• The original evaporator part number

• The replacement part's dimensions

• The refrigeration system's specifications and connection requirements

Contact Appliance Kingdom with your refrigerator's model number and original part number if you need assistance confirming compatibility.

Replaces Part Numbers

Supco's replacement-parts documentation identifies SZ4400 as a replacement for the following part numbers:

• 4204400PR

• 3130270PR

Confirm the specific replacement application against your refrigerator's model and service information before ordering.

Key Features & Benefits

• Supco aftermarket refrigerator evaporator

• Part number: SZ4400

• Designed for compatible Sub-Zero refrigerator applications

• Dimensions: 29" × 8" × 1"

• Intended to restore heat-transfer performance when the original evaporator requires replacement

• Suitable for appliance repair technicians, property managers, landlords, and homeowners arranging professional repairs

• Replacement option for supported original evaporator applications

Installation Overview

Evaporator replacement is an advanced refrigeration repair that involves opening the sealed refrigeration system. Installation requires appropriate refrigeration tools, system-specific procedures, and the ability to handle refrigerant safely and legally.

Professional installation by a qualified refrigeration technician is strongly recommended. The technician should confirm compatibility, inspect the system for leaks or other faults, and follow the manufacturer's procedures for refrigerant recovery, component replacement, evacuation, and recharging.

Canada-Wide Availability & Appliance Kingdom Support

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

Check current stock and shipping availability for SZ4400 before placing your order. If you are unsure about fitment, contact our team with your appliance details before purchasing.