Zuverlass HE 90240 Heating Element — 9000W 240V for EcoSmart Eco27, RTEX/RETEX/RMTEX, Eemax & Richmond

Meet the Zuverlass HE 90240 Heating Element

The Zuverlass HE 90240 is a high-capacity replacement part designed to restore performance in a wide range of tankless water heaters. It blends a robust copper core with an antioxidant coating, delivering efficient heat transfer and durable operation. The screw-in design supports quick, straightforward installation, helping you minimize downtime during maintenance or upgrades.

Designed for broad compatibility, this element fits EcoSmart Eco27 family units (18, 27, and 36 kW configurations) and Rheem RTEX, RETEX, and Richmond RMTEX models. It also works with select Eemax units in the EEM24027/24018/24036 family and related HomeAdvantage and ProAdvantage series. This wide fit means you can refresh multiple units with a single part, depending on your setup.

Key design features include a copper core for efficient heat transfer and an antioxidant coating that helps resist wear in challenging water environments. The screw-in installation is a practical touch for direct replacement, often without modifications to the heater housing. The HE 90240 is rated at 9 kW and 240 V, aligning with many common tankless configurations for a straightforward swap.

Real-world benefits you may notice

• Faster hot water recovery thanks to efficient copper heat transfer.
• Durable antioxidant coating helps resist wear in challenging water environments.
• Screw-in installation reduces downtime and avoids complex fittings.
• Wide compatibility lowers the need for multiple spare parts across models.
• Supports reliable performance in seasonal systems and shared-use households.
• Suitable for refreshing aging units during routine maintenance or upgrades.

• Ideal for refreshing aging units or during routine maintenance for busy homes.
• Fits common 9 kW 240 V tankless configurations, enabling straightforward upgrades.
• Designed for direct replacement with minimal wiring adjustments when compatible.
• Compact design helps keep the heater cabinet tidy and accessible.

Before you buy

• Verify model compatibility with EcoSmart Eco27, RTEX/RETEX, or Richmond RMTEX lines.
• Confirm the electrical rating (9 kW, 240 V) matches your heater’s specifications.
• Ensure a secure screw-in fit and proper seating in the housing.

Note: The information highlights practical capabilities and use-case possibilities. Actual results depend on your specific equipment and usage patterns.