Premium Tankless Technology
Advanced Flow Control Electric Tankless Water Heater
Engineering the future of wellbeing, one innovation at a time
Revolutionary Technology
As we step into our second century, we carry forward a legacy of innovation that began in 1924. The Tempra 20 Plus represents the pinnacle of tankless water heating technology.
- Advanced Flow Control™ — Exclusive German-patented technology automatically maintains your desired hot water temperature even during periods of high demand.
- Self-Modulating Technology — Continuously monitors incoming water temperature, flow rate, and output temperature for maximum efficiency.
- Constant Temperature Output — Multiple sensors ensure steady output even when flow rates vary.
- Unlimited Hot Water — Long showers and multiple consecutive uses without waiting for recovery time.
- Space-Saving Design — Compact wall-mounted unit frees valuable floor space.
- German Engineering Excellence — Built in Germany with over 100 years of engineering tradition.
Technical Specifications
Engineered for whole-house applications in regions with incoming water temperature above 60°F.
- 19.2 kW — Maximum Power Output
- 3.75 GPM — Maximum Flow Rate
- 99% — Energy Efficiency
- 240V — Electrical Requirement
- 80A — Total Amperage (2×40A)
- 16.1 lbs — Unit Weight
- ¾" NPT — Water Connections
- 7 Years — Limited Warranty
Why Choose Tempra 20 Plus?
- Save on Energy Bills — Up to 34% savings on water heating costs with zero standby losses. Self-modulating technology ensures minimum electricity usage at all times.
- Maximize Living Space — Reclaim valuable floor space with a wall-mounted design. Ideal for closets, utility rooms, or anywhere space is at a premium.
- Environmental Impact — Lower footprint with recyclable components, reduced raw materials, and elimination of standby energy waste.
- Easy Installation — Often cheaper installation than conventional tanks. No venting required, seismic-proof construction, and flexible placement options.

7 years against leakage / 3 year against defects in workmanship & materials. See warranty for details.

Tested and Certified by Water Quality Association against NSF/ANSI/CAN 372 for lead free compliance.

Made in Germany with final assembly in U.S.A.
Tempra 20 Plus vs. Traditional Tank
Category | Tempra 20 Plus (Tankless) | Traditional Tank |
---|---|---|
Hot Water Supply | Unlimited, on-demand | Limited to tank size |
Energy Efficiency | 99% efficient; no standby losses | Standby losses |
Space Required | Compact wall-mounted | Bulky footprint |
Maintenance | Minimal | Regular flushing & anode checks |
Warranty | 7-year limited | 6–12 years (varies) |
Customer Experiences
"My basement flooded and my Tempra was under 7 feet of water for three days. After drying it out, it STILL WORKS!" — Satisfied Homeowner
"I LOVE my Tempra Plus water heater! I save on electricity and the performance is outstanding." — Portland, OR Resident
"Water gets sufficiently hot for all purposes. Performs exactly as advertised." — Daniel Bertrand
Excellence isn't a destination; it's a continuous journey. Every innovation serves one purpose: enhancing the quality of life for generations to come.