Why is this considered a high watt rather than a low watt density element? What is the length and thread size?

The heater with 1 inch NPT flange has 350mm tube length. and it has 5500w wattage.

Whirlpool model e2f40rd045v. says for 1 phase 240v, 4500 for lower element. will this element work with my water heater?

It depends on whether your existing element is a screw in type or a bolt on type. This is a screw in type element. So if your water heater is a 240 volt with screw in elements then it will work.

Will this fit Ruud pe-30 d hot water heater?

Yes. It's 100% compatible with all water heaters that have ever been made. Including European models which use metric water flow.

I have a 240v hydro turbine that produces 1600w. Will this element work for me

We think you shoud use the lower power heater which is smaller than 1600w

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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DERNORD 240V 2500W Foldback Water Heater Element Screw-plug Heating Element

DERNORD 240V 2500W Foldback Water Heater Element Screw-plug Heating Element

Product ID: 28596885

Details

Material
Stainless
Voltage
240 Volts
Brand
DERNORD
Color
steel
Wattage
2500 watts

⚡2500W high power output

🔥Foldback design maximizes heat surface

🔧Easy installation, universal fit

₩63375

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Heat smarter, not harder — power your water with precision! ⚡

ECO FRIENDLY HEATING - Perfect for solar-powered setups, enabling off-grid hot water solutions.
DURABILITY MEETS SAFETY - Stainless steel construction prevents dry firing, lime buildup, and sand damage.
UNIVERSAL COMPATIBILITY - Fits most American water heater models for seamless upgrades or replacements.
POWER PACKED PERFORMANCE - Delivers a robust 2500W at 240V for rapid heating efficiency.
SPACE SMART FOLDBACK DESIGN - Innovative foldback element maximizes heated surface area while minimizing length.

The DERNORD 240V 2500W Foldback Water Heater Element is a stainless steel, screw-plug heating element designed for easy installation and broad compatibility with American water heaters. Its foldback design maximizes heating surface area while minimizing length, delivering efficient and durable performance that resists dry firing and mineral buildup. Ideal for both traditional and innovative solar-powered heating systems.

Reviews

N**D

Good for premanufactured home heaters.

Glad you had it, neither Lowe's or Home Depot had it, and putting a higher wattage element would had caused electrical problems. I installed it a year ago.

14.04.2025

T**.

Serves its purpose well!

I utilized this element in a bit of a different manner, instead of running it off of 240 AC, I tied it to a set of solar panels that make 220 DC. They only make 1100 watts but the resistance of this element (this was attempt #3) matched my panels perfectly! On a good day my 40 gallon tank will make 190 degree water! That equates to almost 80 gallons of usable water with no grid electricity or gas!

15.01.2025

K**R

High Quality

I have bought several of these. They are much higher quality then those found in the big box stores.

19.11.2020

J**S

Installed easy and works great.

Easy install. Water is hot.

16.12.2019

C**R

Good element where stainless is needed

So far it's holding up to the corrosive parkerizing solution

23.10.2017

A**R

Avery month became bad need change

Bad material

11.07.2025

T**X

Five Stars

Great heater coil for my stainless steel sterilizer setup. Would buy again.

20.03.2018

J**R

Bad weld on power lug.

Arrived quickly, besides the bad spot weld the quality is good. The seal is probably a little big for use on a water heater, will replace with an o-ring. Sending back for replacement.

25.10.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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₩63375

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Brand	DERNORD
Color	steel
Item Weight	12.95 ounces
Material	Stainless Steel
Material Type	Stainless Steel
Voltage	240 volts
Wattage	2500 watts

DERNORD 240V 2500W Foldback Water Heater Element Screw-plug Heating Element

Details

Details

Description

Specifications

Reviews

Common Questions