STIEBEL ELTRON DHB 18/21/24 ST Trend Electronic Tankless Water Heater 18/21/24 kW 400V

The STIEBEL ELTRON DHB 18/21/24 ST Trend is a high-performance electronic tankless water heater designed for efficient and continuous hot water supply. With selectable power levels of 18, 21, or 24 kW, it adapts to various household needs, providing instant hot water for showers, baths, kitchen sinks, and multiple tap points simultaneously. Its compact, wall-mounted design and pressure-resistant construction make it ideal for modern homes.

Advantages

Energy efficiency class A ensures low operating costs. The bare wire heating system delivers reliable performance, while the LED temperature display allows precise adjustment between 30°C and 60°C. Safety features include air bubble detection and overheat protection, guaranteeing peace of mind.

Suitable for

• Residential bathrooms and kitchens
• Multiple tap point applications
• Replacement of old storage tank heaters
• New construction or renovation projects

Key specifications

• Nominal power: 18 / 21 / 24 kW (selectable)
• Nominal voltage: 400 V, 3~/PE
• Energy efficiency class: A
• Temperature range: 30 - 60 °C (continuously adjustable)
• Max. flow rate (at 38°C, 24 kW): approx. 12.3 l/min
• Water connection: G 1/2"
• Protection class: IP25
• Heating system: Bare wire
• Control type: Electronic
• Display type: LED temperature display
• Installation: Wall-mounted, pressure-resistant
• Min. water pressure: 0.2 MPa (2 bar)
• Max. water pressure: 1 MPa (10 bar)
• Nominal current (at 24 kW): 35 A

Recommendations

For optimal performance, ensure proper electrical and plumbing installation by a qualified professional. The DHB ST Trend is an excellent choice for households seeking energy-efficient, on-demand hot water without the space requirements of a storage tank.