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Discover the Eccotemp EM-4.0, a compact and efficient mini-tank water heater. Designed for immediate hot water, this ETL Certified appliance is perfect for homes, RVs, and even food trucks. Enjoy adjustable temperatures and a quick recovery time, all within a space-saving design. Reliable and energy-efficient, the EM-4.0 is your answer to convenient hot water access.
Here's everything included with this Eccotemp Under Sink EM-4.0 Electric Mini Storage Tank Water Heater.
The Eccotemp EM-4.0 boasts a compact design that fits seamlessly under sinks or in tight spaces. This is perfect for apartments, RVs, or tiny homes where every inch matters. Enjoy hot water without sacrificing valuable space.

The EM-4.0 features a rapid recovery time of 10-20 minutes, providing you with instant hot water when you need it most. This fast heat recovery minimizes the wait time, keeping your daily routine smooth and hassle-free.

Operating at 98% energy efficiency, this mini-tank water heater saves you money on electricity bills. It works on a standard 110/120v outlet and can service up to two sinks, or integrate seamlessly with an existing system for added versatility.


Adjustable Temperature Controls
Customize your water temperature from 90F to 140F with ease. This flexibility ensures comfort and safety for your specific needs.

Versatile Installation Options
Install the heater wall-mounted or free-standing according to your space requirements. This versatility allows for easy integration into any setup.

Reliable Water Pressure
With a maximum water pressure of 150 psi, enjoy consistent and dependable water flow. This reliability ensures a steady supply for your needs.
| Capacity | 4 gallons |
| Certification | ETL Certified |
| Recovery Time | 10-20 minutes |
| Temperature Range | 90F - 140F |
| Energy Efficiency | 98% |
| Outlet Requirement | 110/120v |
| Maximum Pressure | 150 psi |
| Warranty | 5 years |
Yes, the Eccotemp EM-4.0 is perfect for RVs. Its compact design and versatile installation options make it ideal for compact spaces like those found in RVs.
The Eccotemp EM-4.0 can service up to two sinks, providing sufficient instant hot water for small household or commercial needs.
The Eccotemp EM-4.0 operates on a standard 110/120v power outlet, making it easy to install in most residential and commercial areas.
Yes, the purchase includes mounting hardware as well as a temperature and pressure relief valve, and an installation manual to assist with setup.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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