Best Tankless Water Heater Heating Element Replacements for Efficient Heat
Whether you’re restoring hot water quickly or upgrading aging components, the right tankless water heater heating element can restore efficiency and extend the life of your unit. This article highlights five compatible 90240-type heating elements designed for EcoSmart, Rheem, Richmond, Eemax, and iHeat/Drakken systems. Each product is evaluated for compatibility, installation ease, and performance to help you choose a reliable replacement.
| Product | Brand | Watts & Voltage | Compatibility Highlights | Link |
|---|---|---|---|---|
| Upgrade HE 90240 Heating Element, 2 Pack | ATEEfaee | 9KW @ 240V (90240) | EcoSmart ECO 18/24/27/36; Eemax, Richmond, Rheem, iHeat/Drakken, and more | Link |
| HE 90240 Tankless Heating Element For EcoSmart Eco 18 24 27 36 | Kscjdg | 9KW @ 240V | EcoSmart ECO 18/24/27/36; Eemax, iHeat/Drakken, Rheem, Richmond | Link |
| Lisnhlin Titanium HE 90240 Replacement (3 PCS) | Lisnhlin | 9KW @ 240V | EcoSmart ECO 18/24/27/36 and additional models | Link |
| HE 90240 Heating Element Upgrade (3 Pack) | Lisnhlin | 9KW @ 240V | EcoSmart ECO 18/24/27/36; Rheem, Richmond, Eemax | Link |
| 2PACK HE 55220 Heating Element for EcoSmart ECO POU 6/8/11 | Lisnhlin | 5.5KW or 6KW @ 220-240V | EcoSmart ECO POU 6/8/11 and compatible models | Link |
Upgrade HE 90240 Heating Element for EcoSmart and More
The Upgrade HE 90240 is a screw-in heating element designed for quick maintenance. It replaces the 80240 model and fits several popular tankless heaters, including EcoSmart ECO 18/24/27/36, various Eemax and Rheem units, and Richmond models. The package includes the heating element, a new O-ring, and a screw. This element is intended to restore heating performance in units experiencing long heat times or insufficient hot water. Installation is straightforward for a home technician familiar with screw-in elements.
HE 90240 Tankless Heating Element For EcoSmart Eco 18 24 27 36
This 9KW 240V unit is a direct replacement for EcoSmart ECO heaters (18/24/27/36) and is compatible with multiple brands including Eemax, iHeat/Drakken, Rheem, and Richmond. It comes with a brand-new rubber ring and is designed to fit screw-in style housings. It supports the common failure modes of low water temperature, slow heating, and inconsistent pressure by restoring proper heat transfer within the chambered exchanger.
Lisnhlin Titanium HE 90240 Replacement (3 PCS)
Lisnhlin offers a three-pack of HE 90240 elements designed for EcoSmart ECO 18/24/27/36 and additional compatible units from Eemax, Rheem, and Richmond. Each element is a screw-in design and ships with a new O-ring. The 9KW 240V configuration aims to provide robust hot water performance and quick response times, helping to resolve issues such as delayed heating and low temperatures across compatible models.
HE 90240 Heating Element Upgrade (3 Pack)
This 3-pack from Lisnhlin is engineered for EcoSmart ECO 18/24/27/36 and extends compatibility to Eemax, Rheem, and Richmond models. The kit includes three 9KW 240V heating elements with a leak-proof O-ring. It targets common failure scenarios—insufficient hot water, long heating times, and fluctuating output—by providing reliable, repeatable replacements in one purchase.
HE 55220 Replacement for Eco POU 6/8/11
The 55220 heating element is compatible with EcoSmart Eco POU 6, Eco 8, and Eco 11, as well as several Eemax, Rheem, and Richmond models. It is a 5.5KW unit suitable for 220V systems or 6KW at 240V, sold as a single replacement with an O-ring and screw. This option provides a cost-effective solution to slow heating and low-temperature issues in compatible POU configurations.
Buying Guide
Choose your replacement element by confirming model compatibility. Key factors include voltage (usually 240V), wattage (commonly 9KW for EcoSmart ECO models, or 5.5-6KW for POU units), and screw-in versus plug-in design. Look for kits that include an O-ring and mounting hardware to ensure a proper seal and leak prevention. A reliable replacement should restore heating speed, maintain stable water temperature, and withstand regular cycling without premature failure.
Consider the following perspectives when selecting an element:
- Compatibility: Verify that the element matches your specific heater model and voltage, including branded equivalents like Eemax, Rheem, Richmond, iHeat/Drakken, and EcoSmart variants.
- Installation: Screw-in designs with included O-rings simplify maintenance; check whether the kit requires any extra tools or sealants.
- Performance: Higher wattage (e.g., 9KW) can deliver faster heating for multi-point systems, but ensure your electrical circuit can support it.
- Reliability: Reputable brands with proven replacement parts reduce the risk of early failure and water leaks.
- Cost vs. coverage: A multi-pack can lower per-unit cost and ensure you have spares for future maintenance.
By aligning the replacement part with your heater’s model number and electrical requirements, you can restore hot water availability and protect the efficiency of your tankless system. Always follow manufacturer instructions and, if in doubt, consult a licensed technician to perform the upgrade safely.