Rheem Performance 8 kW 1.55 GPM 240-Volt Self-Modulating Electric Tankless Water Heater RETEX-08
Get hot water for your space with this Rheem Performance electric tankless water heater. This energy-efficient water heater delivers an endless, on-demand hot water supply and consistent temperature with a self-modulating technology that adjusts energy based on your hot water needs. With the electronic thermostatic temperature, you can easily read the incoming water temperature and control it in one-degree increments. Point-of-use installation and compact size makes the Rheem tankless water heater a convenient choice.
- Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
- Instant, continuous hot water: instantly provides ample hot water for up to 3 faucets or 1 shower (review selection guide below to confirm this water heater will provide the hot water needed based on your geographic location)
- Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
- Great investment and value: energy cost savings and a 5-year heat exchanger and 1-year parts limited warranty
- Easy to adjust: electronic temperature control adjustable in 1-degree increments from 80-140 degrees F with easy-to-read display (Celsius and Fahrenheit compatible)
- Easy installation: compatible with 1/2 in. water connectors for flex hose installation and no venting or T and P valve required for easy installation (professional installation recommended)
- Easy to maintain: durable, easy-to-replace heating elements
- A reliable hot water solution from Rheem, the global leader in water heating
- Before purchase and installation, please verify that you have the proper electrical requirements for your chosen heater
- ETL Listed to UL-499 and CAN/CSA-C22.2 No. 64
Dimensions
| Kilowatt | 8 | Product Depth (in.) | 3.625 in |
|---|---|---|---|
| Product Height (in.) | 12 in | Product Width (in.) | 8.25 in |
| Water Connection Size (in.) | 1/2 in NPT adapter included |
| Amperage (A) | 29 A | Application Type | Residential |
|---|---|---|---|
| Efficiency Level | Super High | First Hour of Delivery (gallons/hr) | 94 |
| Flow Rate @ 35°F Rise (gallons/min) | 1.56 gal (US)/min | Flow Rate @ 45° Rise (gallons/min) | 1.21 gal (US)/min |
| Indoor/Outdoor | Indoor | Maximum Flow Rate (gallons per minute) | 1.56 |
| Number of Showers | 1-2 | Product Weight (lb.) | 7 lb |
| Required Volt Connection | 240 volt | Wattage (watts) | 8000 W |
| Uniform Energy Factor | 0.97 | Water Heater Features | Wall Mounted |
| Water Heater Type | Electric |





















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