Stiebel Eltron Tempra 29 Plus Tankless Electric Water Heater 28.8kW 240V Whole Home

The Stiebel Eltron Tempra 29 Plus is a whole-home electric tankless water heater that delivers continuous, unlimited hot water on demand. Engineered in Germany with over a century of expertise, this 28.8kW tankless water heater install solution operates at 99% efficiency, reducing water heating costs by up to 34% compared to conventional tank systems. Its sleek, compact design requires no venting and saves valuable floor space, making it ideal for residential applications where multiple simultaneous hot water demands are common.

Featuring exclusive German-patented self-modulating technology, this electric hot water tankless heater automatically adjusts power consumption to maintain your desired temperature even during peak usage. Whether morning showers, laundry, or kitchen tasks run simultaneously, every family member enjoys consistent, comfortable hot water without temperature fluctuations or interruptions.

Highlights

• Unlimited Hot Water – On-demand continuous supply ensures you never run out, perfect for families with high hot water needs
• Superior Energy Efficiency – 99% efficiency rating with self-modulating technology saves up to 34% on water heating costs
• Advanced Temperature Control – German-patented technology maintains constant temperature during high demand with two memory presets for personalized settings
• Space-Saving Design – Compact, wall-mounted unit requires no venting and frees up valuable floor space
• Whole-Home Capacity – Provides hot water for 2-3 bathrooms in cold climates or up to 3 showers in warm climates
• German Engineering Excellence – Made in Germany by the inventor of tankless electric water heating technology with 100 years of innovation
• Minimal Energy Waste – Self-modulating system uses only the minimum electricity required for current demand

Technical Details

• Model Number: 239223
• Power Rating: 28,800 watts at 240V / 21,600 watts at 208V
• Voltage: 240V or 208V hard-wired
• Electrical Requirements: 3 separate dedicated 40 amp breakers with 8 gauge copper wiring
• Minimum Service: 200 amp total service to residence
• Efficiency: 99%
• Color: White
• Part Number: 239223

All prices incl. VAT, plus shipping.