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DERNORD 12V 700W 浸漬ヒーター水中給湯器エレメントステンレススチール発熱体 1インチNPM継手ダブルUタイプ

DERNORD 12V 700W 浸漬ヒーター水中給湯器エレメントステンレススチール発熱体 1インチNPM継手ダブルUタイプ

Q: I will be connecting this directly to my solar panel. My solar panel puts out 12-21 volts. Will 21v damage the element?

The heater is actually two twelve volt elements connected in parallel by factory jumpers. Much of the time, this load would pull down a 300 watt panel to very low voltage resulting in poor heating. You will probably find the higher voltage and lower amps of putting the elements in series (change the factory jumpers) across your panel yields better results (heating) and solves the possibility of damaging the elements. The heater then becomes 24 V and 300 W.

Q: What is the resistance of the element aka how many ohms is it

The element which is made of sus304 has 0.48 ohms. Thank you

Q: what size bulkhead do folks use for this? Any links to one?

12 volt 300 watt will take a long time to heat up i use a 48 volt 1000 watt element with batterys

Product ID: 766832815

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Details

Material
ステンレススチール。
Voltage
12 Volts
Item Length
6.89 Inches
Brand
DERNORD
Color
ホワイト

⚡700W high power output

🔋12V DC compatible with solar & battery

🛠️1-inch NPSM flange fits US standard tanks

Description

🔥 Stay warm, stay ahead — power your water with smart, sustainable heat! ⚡

DURABLE SAFE DESIGN - Electropolished stainless steel surface with UL/cUL certification and waterproof silicone sealing washer for long-lasting reliability.
SMART FREEZE PROTECTION - Automatically activates near 5°C to prevent freezing, ideal for caravans, boats, workshops, and winter water tanks.
UNIVERSAL 1 INCH NPSM FLANGE - Fits standard US water tanks or custom setups, ensuring easy installation and broad compatibility.
POWERFUL 700 W HEATING ELEMENT - Rapidly warms water with high-efficiency stainless steel construction for corrosion resistance.
VERSATILE 12 V DC COMPATIBILITY - Seamlessly integrates with batteries, solar panels, and wind turbines for eco-conscious energy use.

The DERNORD 12V 700W stainless steel immersion heater is a robust, corrosion-resistant water heating element designed for 12V DC systems. Compatible with batteries, solar, and wind power, it features a universal 1-inch NPSM flange for easy installation in standard US water tanks. UL and cUL certified, it offers reliable freeze protection by automatically activating near 5°C, making it perfect for caravans, boats, workshops, and eco-friendly setups.

Have a Question? See What Others Asked

Will this heater work for a 450 gal tank to keep water from freezing?

I will be connecting this directly to my solar panel. My solar panel puts out 12-21 volts. Will 21v damage the element?

What is the resistance of the element aka how many ohms is it

what size bulkhead do folks use for this? Any links to one?

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