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: 400361296

Details

Brand
DERNORD
Colour
Silver
Material
Stainless
Voltage
240 Volts
Wattage
2500 watts

⚡2500W high power output

🔩Threaded screw-in mount for easy install

🛡️Stainless steel resists corrosion & deposits

B/.75

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Heat smarter, not harder with Dernord’s foldback power!

COMPACT FOLDBACK DESIGN - Maximizes heated surface area while minimizing element length for superior heat distribution.
EFFORTLESS INSTALLATION - Threaded screw-plug design ensures a quick, secure fit—no hassle, no downtime.
UNIVERSAL COMPATIBILITY - Fits most American water heater models including Bradford White, GE, Whirlpool & more.
POWER PACKED PERFORMANCE - Delivers a robust 2500W at 240V for rapid, efficient heating.
DURABILITY MEETS RELIABILITY - Low watt density stainless steel resists dry firing, lime scale, and sand damage for long-lasting use.

The Dernord 240V 2500W Foldback Water Heater Element is a premium stainless steel replacement heating element designed for efficient, uniform heat distribution. Its compact foldback design maximizes surface area while fitting most American water heater models. Engineered to resist dry firing, lime deposits, and sand, it ensures long-lasting durability and easy installation with a threaded screw-plug mount.

Specifications

ASIN	B018S4AQ12
Best Sellers Rank	#122,431 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Water Heater Replacement Heating Elements
Brand	DERNORD
Brand Name	DERNORD
Color	Silver
Colour	Silver
Customer Reviews	4.3 out of 5 stars 44 Reviews
Item Weight	12.95 Ounces
Item weight	12.95 Ounces
Manufacturer	DERNORD
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	DERNORD-21
Part Number	DERNORD-21
UPC	717080640360
Unit Count	1 Count
Voltage	240 Volts
Wattage	2500 watts

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