The Stiebel DEL 27 Plus is the most powerful model in the DEL Plus range, offering high-capacity, three-phase instantaneous electric hot water delivery. German-engineered and featuring advanced 3i technology, the DEL 27 Plus ensures rapid and consistent temperature-controlled hot water at up to 50 °C. Larger homes or businesses needing several hot water outlets simultaneously will find this model ideal with a digital display, ECO water-saving mode, memory temperature settings, and anti-scalding protection.

FEATURES:

Heating Method:
Electric – bare wire heating system with electronic output control

Hot Water Supply:
Instantaneous – no storage tank, water heated on demand

Recovery Time:
Instantaneous – delivers continuous hot water when required

Installation Location:
Indoor installation – suitable for under-sink or over-sink applications

Water Pressure:

• Maximum permissible pressure: 1000 kPa
• Minimum flow to activate: 2.5 L/min

Energy Efficiency:
N/A – no star rating; however, features ECO mode for water and energy saving

Operating Costs:
Economical operation with 3-stage ECO flow-limiting settings (6, 7, or 8 L/min) to reduce consumption

Best for:

• Large households or shared bathrooms
• Offices, gyms, or commercial sites
• Areas with high hot water demand at multiple outlets

Number of Bathrooms and People (Capacity):

• Suitable for 2–3 bathrooms
• Ideal for 4–6 people depending on usage and climate

Additional features:

• ECO flow limitation: 3 adjustable levels for energy/water saving
• User-friendly interface with backlit LCD screen
• Two programmable memory temperature buttons
• Anti-scalding protection with optional factory jumper set to 43 °C
• Air detection system to prevent heating system damage
• Suitable for use with preheated water (e.g., solar systems)
• Optional wireless remote control (FFB 4 Set) for convenience