DC Immersion Water Heater Tubular SUS304 DN25 12V to 48V

Meet the DC Immersion Water Heater Tubular SUS304 DN25, a compact and robust heating solution designed for low-voltage systems. Crafted from SUS304 stainless steel, this immersion heater resists corrosion and stands up to hot water in a variety of settings—from solar and off-grid setups to marine applications and DIY hot-water projects. Its 1" BSP/NPT threaded connection with a DN25 size fits standard tanks and fittings, making replacement or installation straightforward. Designed for DC operation across a wide voltage range (12V, 24V, 36V, 48V), you can select between 300W and 600W to match your heating needs and power supply. The unit's compact form—220 mm in total length and an 8 mm diameter—lets you install it in tight spaces while delivering steady, efficient heat. Use it for solar water heating, off-grid systems, or on boats and RVs where dependable immersion heating is essential.

Benefits & Tips

• Versatile DC heating: Compatible with 12V/24V/36V/48V systems, ideal for solar and off-grid setups.
• Durable stainless steel: SUS304 construction ensures corrosion resistance in hot water environments.
• Easy installation: Features a 1" BSP/NPT threaded connection suitable for DN25 tanks and fittings.

Product Specifications

• Material: SUS304
• Diameter: 8 mm
• Total Length: 220 mm
• Voltage (DC): 12V / 24V / 36V / 48V
• Wattage: 300W / 600W
• Thread: 1" BSP / NPT / DN25 / 32 mm
• Origin: Mainland China
• Brand: DERNORD
• Application: Low Voltage Solar Heater Element

Package includes:

• 1 x Immersion heater element (DN25, 1" thread) for DC 12V/24V/36V/48V, 300W/600W

Warnings / Reminders

• The element rated at 12V 600W requires about 50A to reach 600W. Please confirm that your power supply can deliver this current before ordering.
• The specification also indicates a 0.24 ohm resistance for the 12V/600W configuration.

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