- High-concerned chemical: None
- Electronic: No
- DIY Supplies: Electrical
- Origin: Mainland China
- Tube Diameter: 12mm
- Shape: U-type immersion heater
- Voltage: 220V or 380V
- Wire Length: 1.2m / 2m / 3m / 5m
1.NOTE:
Due to space limitations, not all configurations are listed. Please contact us if you have specific requirements.
Default Configuration:
Voltage: 220V or 380V
Shape: U-type immersion heater
Material: 304 stainless steel
Tube Diameter: 12mm
Wire Length Options: 1.2m / 2m / 3m / 5m
Power Range: 1KW–5KW (length varies by power)
Sealing: Integrated silicone end cap (waterproof and heat-resistant)
Optional Materials:
316 stainless steel / 201 stainless steel / Titanium alloy / 2520 / Red copper
Important Usage Guidelines:
Always ensure the heating section is fully submerged in water before turning on the power.
Do not operate the heater dry; never use it outside of water.
When used in metal containers, ensure proper grounding for safety.
For 220V: Connect 1 live wire + 1 neutral wire (a plug may be used for lower power options).
For 380V: Connect any two live wires from a 3-phase circuit breaker.
After use, turn off the power and wait 3–5 minutes before removing the heater.
Wipe the tube dry with a towel after use to maintain its appearance and extend its lifespan.
2. Parameters
Specification | Details |
Product Name | Immersion Heating Rod |
Material | 304/316/201 Stainless Steel, Titanium Alloy, 2520 |
Voltage | 220V / 380V |
Shape | U-shape / Double-U / Customizable |
Tube Diameter | 12mm |
Cable Length | 1.2m / 2m / 3m / 5m |
Leakage Current | <0.5mA |
Insulation Resistance | ≥30 MΩ |
Dielectric Strength | 1500V AC/1min (Cold), 1000V AC/1min (Hot) |
3. Features
High-Durability Materials
Select from 304, 316, or 201 stainless steel, or titanium alloy—each offering excellent corrosion resistance and long-lasting performance.
Safe and Waterproof Design
Features a fully sealed construction with an integrated silicone head to prevent leaks and short circuits.
High Insulation and Stable Performance
Internally filled with high-purity electric-grade magnesium oxide for exceptional insulation, thermal conductivity, and stable heating efficiency.
Multiple Power Options
Available in a wide range from 1KW to 5KW to accommodate different heating requirements.
Easy Installation
Designed with dual terminals for quick setup; supports direct connection to an air switch or plug (220V models).
4. Applications
Perfect for use in stainless steel water tanks, industrial water heating systems, aquaculture tanks, boilers, and other metal containers.








5. FAQs
Q1: Can the heating rod be plugged in directly?
A1: Yes, low-power 220V models can be used with a plug (connect 1 live wire and 1 neutral wire). For 380V models, connection must be made via an air switch using any two live wires.
Q2: Can it be used in metal tanks?
A2: Yes, it is suitable for metal tanks, but proper grounding is essential to ensure electrical safety.
Q3: Is it safe to leave the heater in water while it's powered on?
A3: Yes, as long as the heating section is fully submerged. Do not operate the heater dry.













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