Product Configuration
The refrigerator defrost heater is an indispensable key component in the refrigeration system, playing a particularly important role in freezers and refrigerators. The refrigerator defrost heater main function is to prevent the formation of frost inside the equipment due to the low-temperature environment, thereby ensuring the efficient operation of the cooling system and maintaining the optimal temperature level within the equipment. If frost is not effectively controlled, it will not only affect the refrigeration effect but also lead to a decline in equipment performance or even damage. Therefore, the existence of the defrost heater element is of great significance for extending the equipment's lifespan and enhancing the user experience.
From a technical perspective, refrigerator defrost heaters are typically made of a material that generates heat when an electric current passes through it, usually in the form of a resistor. To achieve the best defrosting effect, the defrost heating element is strategically placed within the freezer or refrigerator compartment, often behind the rear panel or near the evaporator coils. This design ensures that heat is directly applied to areas prone to frost accumulation, enabling rapid and efficient defrosting.
Product Paramenters
| Porduct Name | Refrigerator Defrost Heater for Fisher and Paykel Fridge |
| Humidity State Insulation Resistance | ≥200MΩ |
| After Humid Heat Test Insulation Resistance | ≥30MΩ |
| Humidity State Leakage Current | ≤0.1mA |
| Surface Load | ≤3.5W/cm2 |
| Tube diameter | 6.5mm,8.0mm,10.7mm,etc. |
| Shape | straight,A-A type,U shape,W shape,etc. |
| Resistant voltage in water | 2,000V/min (normal water temperature) |
| Insulated resistance in water | 750MOhm |
| Use | Defrost Heater Element for unit cooler |
| Tube length | 300-7500mm |
| Lead wire length | 700-1000mm (custom) |
| Approvals | CE/ CQC |
| Company | Manufacturer/supplier/factory |
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The refrigerator defrost heater is used for the air cooler defrosting,picture shape of defrost heating element is A-A type (double straight tube ),tube length custom is following your air-cooler size,our all defrost heater can be customized as required. The defrost heater tube diameter can be made 6.5mm or 8.0mm,the tube with lead wire part will be sealed by rubber head.And the shape can also be made U shape and L shape.Power of defrost heating tube will be produced 300-400W per meter. |
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Defrost Heater for Air-cooler Model
Singel Straight Defrost Heater
A-A Type Defrost Heater
U Shaped Defrost Heater
UB Shaped Defrost Heater
B Typed Defrost Heater
BB Typed Defrost Heater
Product Features
1. Tube material: SUS304,SUS304L,SUS316,etc.
2. Tube diameter: 6.5mm,8.0mm,10.7mm
3. Tube length: customized
4. Voltage: 110-480V
5. Power: 300-400W per meter,or custom
6. Shape: customized
7. Lead wire length: 600mm,or custom.
It is worth mentioning that, as one of the specific forms of this type of component, the refrigerator defrost heating tube has particularly crucial manufacturing processes and material selection. High-quality defrost heater tubes usually use modified MgO as the filler, which has excellent insulation and thermal conductivity, effectively transferring heat while ensuring safety. Additionally, the outer shell is made of stainless steel, which not only enhances the durability of the heating tube but also resists corrosion in humid environments. During the production process, the defrost heater tube undergoes a diameter reduction treatment to optimize its physical properties and adaptability. To further improve reliability, the wiring end is sealed with special rubber to prevent water intrusion and avoid short circuits or other faults.
Product Application
1. cold storage cooling fan : refrigerator defrost heater used for unit cooler evaporator defrost, prevent frost accumulation affect refrigeration efficiency ;
2. cold chain equipment : U shaped defrost heater Maintain the constant temperature environment of refrigerated truck and display cabinet to avoid frost resulting in temperature control failure ;
3. industrial refrigeration system : straight defrost tube heater is integrated in the bottom of the water pan or condenser to ensure the continuous operation of the equipment
Production Process
Service
Develop
received the products specs,drawing,and picture
Quotes
the manager feedback the inquiry in 1-2hours and send quotation
Samples
Free samples will be sent for check products quality before bluk production
Production
confirm products specification again,then arrange the production
Order
Place order once you confirmed samples
Testing
Our QC team will be checked the products quality before delivery
Packing
packing products as required
Loading
Loading ready productsto client’s container
Receiving
Received you order
Why Choose Us
• 25 years exporting & 20 years manufacturing experience
• Factory covers an area of about 8000m²
• In 2021，all kinds of advanced production equipment had been replaced, including powder filling machine, pipe shrinking machine, pipe bending equipment, etc.,
• the average daily output is about 15000pcs
• Different Cooperative customer
• Customization depend on your requirement
Certificate
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Factory Picture
Before the inquiry,pls send us below specs:
1. Sending us the drawing or real picture;
2. Heater size,power and voltage;
3. Any special requirements of heater.
Contacts: Amiee Zhang
Email: info@benoelectric.com
Wechat: +86 15268490327
WhatsApp: +86 15268490327
Skype: amiee19940314
