Pacific Blue Mechanical » Rheem RTEX-36 Professional Classic Tankless Electric Water Heater
Rheem RTEX-36 Professional Classic Series Tankless Electric Water Heater is a high-performance electric tankless water heater designed to deliver continuous, on-demand hot water for residential applications. Part of Rheem’s trusted Professional Classic® Series, this compact indoor unit offers energy-efficient operation, digital precision controls, and reliable whole-home hot water performance.
Built to provide endless hot water without the limitations of a storage tank, RTEX-36 instantly heats water as needed, helping reduce standby energy loss and improve overall efficiency. With digital temperature controls, durable copper heating elements, and a space-saving design, this model is ideal for homeowners seeking a modern electric tankless water heating solution.
RTEX-36 is suitable for multiple simultaneous fixtures and can support whole-home hot water applications depending on household demand and incoming groundwater temperatures.
Rheem RTEX-36 Professional Classic Series Tankless Electric Water Heater delivers consistent, endless hot water without requiring a storage tank.
Unlike traditional tank water heaters, RTEX-36 heats water only when needed, reducing standby heat loss and helping improve energy efficiency. This design allows homeowners to enjoy continuous hot water for showers, sinks, dishwashing, and laundry without waiting for tank recovery.
Depending on incoming water temperatures and household demand, the system can support multiple residential fixtures simultaneously.
With a Uniform Energy Factor (UEF) of up to .94 and operational efficiency reaching up to 99.8%, RTEX-36 is designed to help reduce energy waste while maintaining consistent hot water delivery.
Its integrated digital temperature controls allow users to precisely adjust water temperature in 1-degree increments from 80°F to 140°F. The easy-to-read digital display and external controls make temperature adjustments simple and convenient.
This level of precision helps homeowners improve comfort while reducing unnecessary energy consumption.
Rheem RTEX-36 Professional Classic Series Tankless Electric Water Heater is engineered with durable internal components designed for long-term performance.
Its robust copper immersion heating elements feature brass tops for increased durability and are threaded for easier servicing and replacement. The powder-coated shell and galvanized steel backplate help protect the unit while maintaining a clean, professional appearance.
The compact indoor design also makes installation easier in utility rooms, closets, garages, or mechanical spaces where square footage is limited.
RTEX-36 is designed for whole-home electric water heating and can support a variety of residential fixtures, including:
Flow performance varies depending on groundwater temperatures and simultaneous demand, with maximum flow rates up to 6.5 GPM under supported conditions.
Pacific Blue Mechanical provides professional supply, installation, repair, maintenance, and replacement services for the Rheem RTEX-36 Professional Classic Series Tankless Electric Water Heater throughout Metro Vancouver and surrounding areas.
If requested, we can source and supply this Rheem tankless electric water heater directly and professionally complete the installation process, including electrical connections, breaker sizing verification, plumbing setup, temperature calibration, safety testing, and complete system commissioning.
Our licensed technicians also provide maintenance and repair services including heating element replacement, electrical diagnostics, thermostat troubleshooting, scaling removal, flow issues, temperature inconsistency repairs, and complete tankless electric water heater replacement services.
If your current electric water heater struggles to keep up with demand, runs out of hot water, takes too long to recover, or has become inefficient, our team can help determine whether a tankless upgrade is the right fit for your home.
Yes. The Rheem RTEX-36 Professional Classic Series Tankless Electric Water Heater is a whole-home electric tankless water heater.
Yes. Since it heats water on demand, the RTEX-36 delivers continuous hot water without tank limitations.
This model supports flow rates up to 6.5 GPM depending on incoming groundwater temperatures and household demand.
Yes. The system features digital thermostatic controls allowing adjustments in 1-degree increments from 80°F to 140°F.
Yes. Pacific Blue Mechanical can professionally supply, install, repair, maintain, and replace the Rheem RTEX-36 tankless electric water heater.
