Product Search • Checkout • Track Your Order • 


Best Viewing
for Smart Phones
Tilt Horizontal

Purchasing Units in Bulk? 
Call for Possible Additional Discounts
Have Sizing or other Questions? Our Tankless Water Heating Pros are Ready to Help:

RTE-3-Tankless Electric Water Heater

RTE-3-Tankless Electric Water Heater

RTE-3-Tankless Electric Water Heater
Click to enlarge image(s)

Rheem RTE 3 Tankless Electric Water Heater

Rheem RTE 3 1.5 gallon per minute Tankless Electric Point of Use Water Heater provides instant and endless hot water on demand. The RTE 3 is energy efficient and designed for low-flow single bathroom or RV sink applications. 

It's compact and energy efficient inline design allow this money saving eco-friendly unit to fit easily under sinks and counters, while providing instant and endless hot water. Like all of Rheem's electric tankless point of use on demand hot water heaters, the RTE-3 is a top rated unit, whose specs and features make it one of the best and most energy efficient 1.5gpm tankless water heaters for sale.

The Rheem RTE 3 tankless point of use single sink 1.5 gpm on demand hot water heater is available here, at the best possible cheap discount online sales price, with fast affordable shipping options, and NO Sales Tax outside of WA state. 


  • On-unit temperature control
  • LEDs indicate active element and standby mode
  • Standard 1/2″ water connection
  • Rugged brass/copper heat exchanger
  • Modulating power


  • Designed for low flow single bathroom sink applications
  • 120 Volts – 3KW
  • 1.5 GPM (gallon per minute) maximum flow rate


  • Parts Warranty – 1 Year
  • Heat Exchange Warranty – 10 Years

Brochure                               Spec Sheet                                  Use and Care Manual

Save Money Shopping Online, and Don’t Get Ripped Off

There are not many official online retailers of Rheem tankless instant on and endless hot water heaters, and the internet is full of scams. As a general rule of thumb, if the deal seems too good to be true, it probably is. Cheap cut rate deals often end up being a used or refurbished unit, or in the worst case scenario not a real energy efficient Rheem tankless on demand inline hot water heater at all.

When you buy your money and energy saving Rheem instant on and endless hot, tankless on-demand water heater from us, you get a brand new unit, at the best possible price, with Rheem’s top rated parts and heat exchange warranties. Our innovative partnership with Rheem cuts out the middle man and eliminates the high operating costs of traditional brick and mortar stores. These savings get passes directly to you, allowing us to offer brand new Rheem tankless electric on demand point of use inline instant on and endless hot water heaters, at everyday cheap discount online sales prices. 

If you have any questions give us a call or send us an email and one of our tankless water heating experts will be happy to help. 

Submit a Review...