Best Heating Elements for Tankless Water Heaters: 90240 9kw/18kw/27kw/36kw Replacements
Answering the common search: these 90240-compatible heating elements are replacement parts for EcoSmart, Rheem, Eemax, Richmond, and similar electric tankless water heaters. They are best for homeowners who want an affordable, screw-in replacement to restore heating performance without replacing the entire unit. This guide highlights five reliable options, explains who they’re best for, and compares compatibility, durability, and ease of installation. Use the summary table to quickly compare features and model compatibility, then dive into detailed product sections to choose the right element for your system.
| Product | Best For | Key Benefit | Notable Limitation |
|---|---|---|---|
| ATEEfaee Upgrade HE 90240 (3 Pack) | Homes with Ecosmart Eco 18/24/27/36 | Includes O-rings and screws for easy install | Bulk pack may be more than needed for a single unit |
| Lisnhlin HE 90240 Upgrade (2 Pack) | Multiple compatible tankless models | Two replacements for convenience | Brand variance may affect consistency across units |
| Mhrxusd HE 90240 (3 Pack) | EcoSmart, Eemax, Rheem, Richmond family models | Titanium emphasis in some variations | Check model compatibility for blue unit versions |
| ATEEfaee 90240 2 Pack | DIYers replacing one heater or keeping a spare | Same screw-in design and O-ring included | Potential overstock if not needed |
| zuverlass HE 90240 9000W | EcoSmart Eco 27/18/36 and allied brands | Long-lasting copper construction with antioxidant coating | Ensure exact model fit for non-EcoSmart brands |
Upgrade HE 90240 3 Pack For Ecosmart And More
Best for households with Ecosmart ECO models: ECO 18, ECO 24, ECO 27, and ECO 36, plus compatible Eemax, Rheem, and Richmond units. This screw-in element includes an O-ring and screw for quick maintenance and a direct replacement when the original element fails. Suitable for owners who want a widely compatible, economical option.
Who it’s best for: DIY homeowners who prefer a single kit that covers multiple compatible models. Why selected: broad compatibility minimizes the need to stock multiple part numbers. Caution: verify your exact model and voltage before installation to avoid mismatches.
HE 90240 Upgrade In 3 Pack For EcoSmart And More
Best for users who need a ready-to-use replacement with explicit 90240 compatibility. This 3-pack covers EcoSmart ECO 18/24/27/36 and equivalent models across Eemax, Rheem, and Richmond families. Includes a 9KW/18KW/27KW/36KW range at 240V as needed. Caution: model version and blue color variants may require cross-checking compatibility.
Who it’s best for: those stocking spare elements for ongoing maintenance. Why selected: explicit 90240 compatibility and included parts promote a straightforward swap. Caution: confirm exact model before purchase to ensure fit.
Upgrade HE 90240 2 Pack For EcoSmart And More
Best for families with EcoSmart ECO units looking to replace one or more elements in a pinch. The 90240 element replaces 80240 and is compatible with a wide range of models across EcoSmart, Eemax, Rheem, and Richmond lines. Caution: verify the exact model family and unit voltage to ensure compatibility.
Who it’s best for: homeowners who want a compact, two-pack option for future replacements. Why selected: broad compatibility and easy screw-in design. Caution: mixed model units may require separate seals for leak-proof operation.
HE 90240 9000W For EcoSmart And Related Brands
Best for high-demand EcoSmart ECO 27/18/36 setups and allied Rheem/RtEX/RMTEX families. This 9000W 240V element is designed for long life with copper construction and antioxidant coating for durability. Caution: ensure this 9000W rating matches your heater’s maximum electrical load to avoid overheating.
Who it’s best for: power users who need robust heat delivery and longer element lifespan. Why selected: copper with antioxidant coating supports efficient heat transfer and durability. Caution: verify exact model and electrical capacity before installing.
HE 90240 3 Pack Replacement For EcoSmart ECO 18/27/36
Best for those who want a cost-effective batch replacement and copper-based elements. The 9000W/240V configuration makes this a direct substitute for EcoSmart ECO 18/27/36 models, including compatibility with iHeat/Drakken and Eemax lines. Caution: ensure correct screw-in size and O-ring compatibility for your unit.
Who it’s best for: budget-conscious buyers who prefer a three-pack for periodic replacements. Why selected: straightforward replacement with broad compatibility. Caution: check model number alignment to avoid mismatches.
2Pack Titanium HE 90240 For EcoSmart And More
Best for long-term durability needs, this 2-pack emphasizes titanium-related variants of the 90240 family. It covers EcoSmart ECO 18/24/27/36, plus additional RTEX/RETex/RMTEX models and iHeat/Drakken lines. Caution: titanium variants may carry different thermal characteristics; confirm exact unit compatibility before purchase.
Who it’s best for: households seeking high durability and corrosion resistance. Why selected: titanium-based elements can offer longer service life in demanding use. Caution: verify model and color variant for precise fit.
Buying Guide: Key Considerations For 90240 Heating Elements
- Model compatibility: Confirm your tankless heater’s model number and voltage (9KW/18KW/27KW/36KW, 240V) to ensure the element matches exactly.
- Voltage and wattage: Replacements must match your heater’s electrical design to avoid overheating or insufficient heating.
- Installation ease: Look for screw-in designs with included O-rings and screws for a leak-free seal and simple installation.
- Materials and durability: Copper elements with antioxidant coatings resist corrosion; titanium variants may offer longer lifespans in harsh conditions.
- Warranty and support: While not stated in product data, consider seller support and return policies when buying replacement parts.
- Bulk packs vs. singles: A multi-pack is convenient for ongoing maintenance, but ensure you need multiple replacements before purchase.
Frequently Asked Questions
- What does 90240 refer to in a water heater element?
– It is the model number used for several compatible 9KW/18KW/27KW/36KW heating elements for EcoSmart, Eemax, Rheem, and Richmond tankless heaters. - Can I use any 90240 element in my EcoSmart ECO unit?
– Only if it matches your unit’s wattage and voltage and is listed as compatible with your model. - Is a 3-pack necessary, or should I buy a single element?
– A 3-pack is convenient for regular maintenance, but a single element may be sufficient for one replacement. - What are common signs of a failing heating element?
– No heating, long heating times, low water temperature, abnormal water pressure, or slow water flow. - Do replacements require professional installation?
– Replacement is commonly DIY-friendly if you’re comfortable with electrical work and follow safety guidelines; otherwise, consult a licensed technician.