Thermal International Co.,Ltd

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Sealed Waterproof Electric Heating Element for Water Boiler

Sealed Waterproof Electric Heating Element for Water Boiler

For the stainless steel fully sealed immersive heating element, the junction part is made of high-temperature resistant silicone rubber after a molding process. The electric heating element and the electric wire part can be directly put into water for heating without the trouble of installation.

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Sealed Waterproof Electric Heating Element for Water Boiler


1. Introduction:

       For the stainless steel fully sealed immersive heating element, the junction part is made of high-temperature resistant silicone rubber after a molding process. The electric heating element and the electric wire part can be directly put into water for heating without the trouble of installation.


2. Instruction for use:

       When the heating element is put into use, the heating part must be completely immersed in water (the electric wire can be in the water or on the surface of the water) and then connected to the power supply to start heating. When the water temperature reaches the use temperature, the power supply is disconnected before the water is used. When heating, please do not contact with water and electric heating tube, in case of leakage. (if you want to live work, please must put the water tank grounding and installation of leakage protector.)


3. Notes:

1), do not work with water condition.

2), the heating element is forbidden to have the dry burning.

3), wipe and dry the heating element body after use.

4), the ground wire shall be needed if there's the water tank equipment.

Safety instructions: please do not use your hands to test the water temperature when heating!


4. Product pics:


5. How to select the most appropriate sealed waterproof electric heating element?

       When it comes to the selection of the sealed waterproof electric heating element, buyers need to take the following three points into consideration: 

  • working environment: determine the heating pipe material based on the working environment, processing length, power settings and processing accessories, etc.

  • shape & size: determine the specific shape and size of heating element according to the actual installation space.

  • installation parameters: select appropriate installation accessories and processing parameters according to different use occasions for installation and use.


6. How to use the sealed waterproof electric heating element correctly?

1. the burn out matter:

( 1 ) consider whether the power setting is reasonable when dry burning is used: whether the reasonable power load is selected according to the actual situation of oneself, if the power load is too high, the heating pipe will burn out.

( 2 ) when the oven u - shaped electric heating tube is designed for heating liquid medium, shall not be out of the liquid level dry burning. Prevent empty burning, burn out the heating pipe.

( 3 ) when the u - shaped electric heating tube of the oven works according to the different liquid media in contact, there may be scale, dirt and sundries accumulated on the surface of the heating pipe, which may corrode the heating pipe and affect the heat dissipation of the heating pipe, thus causing damage to the heating pipe. Therefore, it is recommended to use a treated liquid medium with less impurities. The surface of that heat pipe and the interior of the container are clean regularly, thereby improving the working efficiency and the service life of the heat pipe.

2. safety protection:

( 1 ) when the heating pipe works, the surface temperature is very high. Dry burning in the atmospheric environment, should pay attention to the exposed heat parts, prevent short circuit, fire and other accidents.

( 2 ) the heating pipe should pay attention to keep the outgoing parts of the insulation dry, prevent leakage, it is best to do a good job in grounding protection. Under the condition of high power use, must do a good job of effective grounding protection.


7. Workplant:


8. Packing: 


9. About Us:

       Thermal International Co., Ltd --- Specialized in the development & processing of all kinds of spare parts for over ten years. Generally both for home appliance and industrial use. Including the heating element, timer, switch, etc. We have our own R&D department and can promise to offer the most professional services and the best quality products. Customized requirements are acceptable. Please feel free to send us your technical drawing or more detailed specification parameters for further discussion and quotation. 

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10. Payment: 
T/T, Western Union, MoneyGram, L/C etc. 


11. Delivery:

Express Delivery pic.jpg

       For sample or trial order of small quantity, we shall advise the Express Delivery for the high-efficient shipment. And for bulk purchase, we generally apply to the sea transportation. Of course, that would depend on the customers' requirements. 

12. Our advantages:

  • Easy installation.

  • Fast heat exchange rate.

  • Long transfer of heat radiation.

  • Excellent corrosion resistance.

  • Designed and built for safety.

  • Low cost with long service life and high efficiency.

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