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Incoloy vs. Ordinary Metal: The Secret to Rheem Water Heater Longevity

| Thursday August 21, 2025

When it comes to choosing a water heater, most homeowners focus on capacity, design, and efficiency. But one of the most critical factors that determines how long your water heater will last lies hidden inside: the heating element. This small yet powerful component is responsible for heating the water you use daily for showers, cleaning, and cooking. And when it comes to durability, not all heating elements are created equal.

Rheem’s EHG Classic Electric Storage Water Heater stands out from the crowd because of its high-performance Incoloy 840 immersion heating element—a feature that sets it apart from water heaters that use ordinary metals.

What is Incoloy 840 Immersion Heating Element?

Incoloy 840 immersion heating element is a premium-grade alloy made from nickel, iron, and chromium. It’s specifically engineered to withstand extreme conditions such as high heat, moisture, and chemical exposure. Unlike ordinary metal heating elements, which can corrode, scale, and fail over time, Incoloy 840 immersion heating element is built to last.

This makes it an ideal choice for water heaters in places like Singapore, where high humidity and mineral content in water often shorten the lifespan of standard heating elements.

The Problem with Ordinary Metal Elements

Water heaters that use ordinary stainless steel or copper heating elements may work well at first, but over time, they are prone to common issues such as:

Rust and corrosion: Constant exposure to water and heat makes ordinary metals vulnerable to rust, reducing efficiency and risking premature breakdown.

Scaling: Mineral deposits from hard water can easily build up on standard elements, slowing heating performance and forcing the heater to consume more energy.

Lower heat resistance: Ordinary metals cannot withstand prolonged high temperatures, making them more likely to burn out or fail unexpectedly.

The result? More frequent repairs, higher energy bills, and the inconvenience of replacing your water heater sooner than expected.

Why Rheem Chooses Incoloy 840 Immersion Heating Element

Rheem’s EHG Classic Electric Storage Water Heater is designed with your comfort and long-term value in mind. By equipping it with an Incoloy 840 immersion heating element, Rheem ensures:

Fast heating performance: Enjoy hot showers without long waiting times.

Superior rust protection: Incoloy resists corrosion, helping the heater maintain efficiency year after year.

High temperature endurance: The element withstands extreme conditions without losing effectiveness or burning out.

Longer product lifespan: With less wear and tear on the heating element, the entire water heater lasts longer, giving you peace of mind.

Investing in Longevity

A water heater is a long-term investment for your home. Choosing one with a superior heating element means fewer breakdowns, lower maintenance costs, and consistent hot water whenever you need it.

With Rheem’s EHG Classic Electric Storage Water Heater, you’re not just getting advanced technology—you’re investing in durability, comfort, and reliability for your family. Click this link to learn more about the EHG Classic Electric Storage Water Heater or find your nearest Rheem authorized dealer.

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