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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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

22294 Ft

Duties & taxes included

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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.

Specifications

ASIN	B018S4AQ12
Best Sellers Rank	#169,937 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #322 in Water Heater Replacement Parts
Brand	DERNORD
Brand Name	DERNORD
Color	steel
Customer Reviews	4.3 out of 5 stars 45 Reviews
Item Weight	12.95 ounces
Manufacturer	DERNORD
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	DERNORD-21
Number of Items	1
Part Number	DERNORD-21
UPC	717080640360
Unit Count	1 Count
Voltage	240 volts
Wattage	2500 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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22294 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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

2 weeks ago

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