SH261 - Genuine OEM Universal Refrigerator Defrost Heater

SKU : SH261
$49.17
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SH261 – Universal Refrigerator Defrost Heater (Genuine OEM / High-Quality Universal Replacement)

The SH261 Genuine OEM Universal Refrigerator Defrost Heater is a high-performance tube-style heating element designed for refrigerator and freezer systems that require automatic defrost functionality. This universal OEM-equivalent part is engineered to melt frost buildup on the evaporator coil, restoring proper airflow and cooling efficiency. It is widely used across multiple refrigerator brands and is available for fast Canada-wide shipping from Appliance Kingdom, Edmonton, AB.

This component is a critical part of the refrigerator defrost system and is commonly used in GE-compatible refrigeration systems and other domestic refrigerator platforms requiring a 115V, 550W glass tube heater.

Function & Importance of the Defrost Heater

The defrost heater is responsible for preventing ice buildup on the evaporator coils inside the freezer section. During normal operation, frost naturally forms on the coils. The SH261 heater activates during the defrost cycle to melt this frost and ensure proper airflow.

When functioning correctly, it:

  • Maintains consistent freezer and fridge temperatures
  • Prevents airflow blockage caused by ice buildup
  • Supports efficient compressor operation
  • Reduces energy consumption and system strain

OEM-grade construction is important because incorrect wattage, length, or resistance can lead to uneven heating, incomplete defrost cycles, or potential electrical failure. The SH261 is engineered with Vycor glass construction and high-temperature silicone end seals for durability and thermal stability.

Common Symptoms of a Faulty Defrost Heater

A failing or broken defrost heater can cause serious cooling issues in the refrigerator or freezer, including:

  • Excessive frost or ice buildup on evaporator coils
  • Freezer running but not cooling properly
  • Refrigerator section becoming too warm or inconsistent
  • Frost blocking airflow vents
  • Compressor running continuously
  • Temperature fluctuations between fridge and freezer sections
  • Water leakage due to frozen defrost drain blockage
  • Ice forming behind the rear freezer panel

Yes—replacing the defrost heater often resolves frost buildup and cooling failure issues when the heater is confirmed faulty.

Compatibility Guidance

This is a universal refrigerator defrost heater used across multiple refrigerator systems, especially those requiring:

  • 115V operation
  • 550W heating output
  • Glass tube evaporator defrost heater design

Before purchasing:

  • Always confirm your appliance model number
  • Match physical length and connector type
  • Verify wattage and voltage compatibility

Do not install based on appearance alone, as similar heaters may differ in resistance and mounting configuration.

Replaces Part Numbers

Common cross-references (verified universal equivalents include):

  • WR51X412
  • WR51X169

Key Features & Benefits

  • Universal OEM-equivalent refrigerator defrost heater
  • 115V / 550W high-efficiency heating performance
  • Durable Vycor glass tube construction
  • High-temperature silicone sealed ends for safety
  • Engineered for consistent defrost cycles
  • Designed to restore cooling performance and airflow
  • Reliable replacement for technicians and DIY repair users
  • Meets or exceeds OEM performance standards

Installation Overview

Installation is generally considered moderate difficulty.

  • Requires access to the freezer evaporator assembly
  • Involves electrical connector removal and reinstallation
  • Must ensure correct positioning on evaporator coils

DIY installation is possible for experienced users. However, professional installation is recommended if you are unfamiliar with refrigerator electrical systems or defrost assemblies.

Always disconnect power before servicing.

Canada-Wide Availability & Supplier Trust

Appliance Kingdom supplies genuine OEM and high-quality replacement appliance parts across Canada. Based in Edmonton, Alberta, we support homeowners, landlords, and appliance repair technicians nationwide with fast shipping and dependable stock availability.

Buyer Confidence & Reassurance

  • Quality-tested OEM-equivalent construction
  • Designed for reliable long-term defrost performance
  • Helps restore proper freezer and refrigerator cooling
  • Ships quickly across Canada
  • Expert support available to confirm compatibility before ordering

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