Screw Plug Heater

Introduction to Immersion Heaters

Immersion heaters are vital components in various industrial and domestic applications. These devices are designed to heat liquids, gases, or other materials directly, providing an efficient and controlled heating solution. Among the different types of immersion heaters, the screw plug heater stands out for its versatility and effectiveness.

How Does an Immersion Heater Work?

An immersion heater functions by submerging the heating element directly into the material to be heated. This direct contact allows for rapid and uniform heat transfer. The screw plug heater, in particular, is equipped with a threaded plug that makes installation into tanks and vessels straightforward. The plug ensures a secure fit, minimizing heat loss and optimizing performance.

Heater Element Specifications
Specific surface power
9.7 W/cm2
653mm ±5
Sheath material
2“ flange
1 year

Applications of Immersion Heaters

Immersion heaters are used in a wide range of applications. In industrial settings, they are essential for processes that require precise temperature control, such as chemical manufacturing, food processing, and oil refining. In domestic scenarios, immersion heaters are commonly found in water heaters and boilers, providing a reliable source of hot water. The screw plug heater is especially favored in these applications due to its ease of installation and maintenance.

Benefits of Using Screw Plug Heaters

The screw plug heater offers several advantages. Its design allows for easy integration into existing systems, reducing installation time and costs. Additionally, the robust construction ensures durability and long service life, even in demanding environments. The efficiency of screw plug heaters translates to lower energy consumption and operational costs, making them a cost-effective choice for many users.


In summary, the purpose of an immersion heater is to provide efficient and controlled heating for various materials. The screw plug heater, with its reliable performance and ease of use, is a popular choice in both industrial and domestic applications. Its ability to deliver consistent heat makes it an indispensable tool in many heating processes.

1. Who are we?
We are based in Jiangsu, China, start from 2010,sell to Oceania(50.00%),North America(30.00%),South America(10.00%),Southern Europe(10.00%). We have 500 ㎡ of office and 8000 ㎡of factory.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
Cartridge Heater/Cast-In Heater/Circulation Heater/Engine Block Heater/Open Coil Heater, Finned Heater/Strip Heater/Heating Element

4. Why should you buy from us not from other suppliers?
1.More than 40 years experience

2.UL CE RoHS CQC ISO9001:2008

3.The R&D team

4.Provide test report

5.Support product design

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDU,Express Delivery;
Accepted Payment Currency : USD, EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Money Gram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,French

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