Stiebel Eltron TEMPRA15PLUS Electric Pressure Balancing Electric Tankless Water Heater for Single Bath Home with 2.25 GPM @ 40° Rise

Item #: bci1289870

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Technical Specs

Approved for Commercial Use Yes
Collection TEMPRA
Depth 4.625
Direct Vent No
Hardwired Yes
Height 14.5
Ignition Type Electronic
Indoor Installation Yes
Kilowatts 10.8, 14.4
Manifolding No
Outdoor Installation No
Plug In No
Product Weight 15.44
Voltage 208, 240
Water Connection 3/4"
Water Pressure (Max) 150
Width 14.5

This product has additional required/recommended options. To configure, add to your cart.

  • Isolation Valve Recommended
  • Descaling Kit Recommended

Pressure Balancing Electric Tankless Water Heater for Single Bath Home


  • Unlimited Supply of Hot Water: Keeps heating water instantly as you require. The Tempra(tm) system completely replaces a conventional tank heater with no disruption to your comfort and hot water needs.
  • Saves Energy and Reduces Your Electric Bill: Electric tank type water heaters are subject to stand-by losses which amount to 15 - 20% of the kWH used. Changing to a tankless system results in savings of 15 - 20%.
  • Control Temperature Simply by Setting a Dial: Set the knob on the front cover and enjoy water temperatures between 86 degreeF (30 degreeC) and 125 degreeF (52 degreeC). Change the desired temperature at anytime. Advanced microprocessor technology ensures that the water temperature never deviates from the set point.
  • Sleek Design Saves Space: The Tempra(tm) takes up considerably less space than conventional tank type water tanks and saves valuable living space.
  • Proven Reliability: Stiebel Eltron has an enviable track record of engineering excellence and product quality. The three years parts warranty is unique in the industry. You can depend on the Tempra(tm) for many years to come.
  • Tempra 15 vs. Tempra 15 Plus: The Tempra 15 Plus (this model) expands on the Tempra 15 by adding a pressure balancing feature to the unit. Should a unit be hooked up to more than one application, for example, a shower and a kitchen faucet, the demand for hot water may occasionally exceed the capabilities of the tankless water heater. Should this occur when using the Tempra 15, the water temperature will go down. Should this occur when using the Tempra 15 Plus, the unit will properly lower the cold water pressure to compensate for the demand, resulting in a total drop in water pressure at the shower and kitchen sink faucet, but temperature remains constant.


  • Voltage: 208/240
  • Wattage: 10.8/14.4 kW
  • Amperage: 2 x 26/2 x 30 A
  • Min Circuit Breaker Size: 2 x 40/2 x 40 A
  • Recommended Wire Size: 2 x 8/ 2 x 8GA
  • Max Temp Inc @ 2.25 GPM: 37/43 degree
  • Working Pressure: 150 PSI
  • Water Connections: 3/4" NPT
  • Dimensions: 14-9/16" x 14-1/2" x 4-5/8"
  • Weight: 15 lbs

Additional Stiebel Eltron Links

Our SKU: Tempra 15 Plus

This product is listed under the following manufacturer number(s):

  • Electric

*Denotes a finish or option that has been discontinued

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