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The ERP MLT55 Defrost Thermostat is a high-quality replacement component designed to regulate the defrost cycle in refrigerators and freezers. This thermostat monitors the temperature of the evaporator coil and shuts off the defrost heater once the proper temperature is reached, helping prevent overheating and ensuring efficient operation.

Manufactured by Exact Replacement Parts (ERP), this thermostat is designed as a reliable aftermarket replacement for many OEM refrigerator defrost thermostats. It helps restore proper defrost function and prevent frost buildup on the evaporator coils.

This part is commonly used in refrigerators and freezers from major appliance brands and is built to meet or exceed original specifications.


Product Details

Part Number: MLT55
Brand: ERP – Exact Replacement Parts
Part Type: Defrost Thermostat / Defrost Limit Switch
Condition: New
Application: Refrigerator / Freezer Defrost System


Common Symptoms of a Faulty Defrost Thermostat

• Frost buildup in the freezer
• Refrigerator not cooling properly
• Evaporator coil icing over
• Defrost heater not turning on or off correctly

Replacing a faulty thermostat helps restore normal defrost cycles and proper cooling performance.


Compatible With Many Major Brands

May be used with select models from:

• Whirlpool
• Kenmore
• Frigidaire
• GE
• Maytag
• Amana
• KitchenAid
• and other compatible refrigerators

(Always confirm compatibility using your appliance model number before purchasing.)


Appliance Girl Parts Confidence

✔ Quality replacement part from ERP
✔ Reliable aftermarket replacement
✔ Fast shipping available
✔ Trusted appliance parts supplier

Warranty – What’s Not Covered

Our warranty does not cover:

  • Installation problems, user instruction, or issues with your home’s wiring, plumbing, breakers, or outlets
  • Light bulbs, cosmetic parts, shelves, glass, hoses, pumps, leveling legs, or other non-mechanical items
  • Service calls where the appliance is tested and found to be working normally
  • Problems caused by misuse, accidents, improper installation, overloading, fire, flooding, or natural disasters
  • Features such as self-clean cycles, clocks, timers, and water/ice makers
  • Appliances used for commercial purposes unless clearly stated on the invoice

Warranty – What Is Covered

  • Mechanical and operational parts needed for normal appliance function
  • Parts and labour during the warranty period listed on your invoice

(30, 60, or 90 days)

Delivery & Setup

  • Removal of your old appliance is included only if noted on the invoice
  • We are not a moving company and do not move furniture or rearrange rooms
  • Basic hook-up may be included if stated on the invoice
  • Appliance Girl is not responsible for damage to walls, floors, or property during delivery or hook-up
  • All pathways must be clear and accessible at the time of delivery
  • Customers are responsible for confirming all measurements (doors, hallways, appliance openings)
  • If an appliance must be returned due to incorrect measurements, an additional delivery fee applies

Warranty Service Area

  • In-home warranty service is available within 45 km of our store
  • Outside this area, the appliance must be brought back to our warehouse

Returns & Liability

  • All sales are final
  • Refunds are only considered in exceptional situations and at our discretion
  • Appliance Girl is not responsible for damage, loss, or injury caused by appliance failure or manufacturer design issues

Bottom Line

We stand behind the appliances we sell — as long as they’re used properly and within normal household conditions.

If you’re ever unsure about coverage, just ask us before booking a service call.

Shipping Parts:

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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