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

Designed in Germany, the 3-phase, high-performance Stiebel DEL 18 Plus electric instantaneous hot water system provides exact, energy-efficient hot water without a tempering valve by including advanced 3i technology and electronic output control. With memory temperature settings, ECO water-saving modes, and a built-in child safety lock for anti-scalding protection, the DEL 18 Plus—designed for durability and user comfort—is perfect for home and light business use, it guarantees AS3498 criteria’ consistent hot water delivery at up to 50°C.

FEATURES:

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

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

Recovery Time:
Instantaneous – delivers continuous hot water as required

Installation Location:
Indoor wall-mounted installation (undersink or oversink configuration)

Water Pressure:

• Maximum: 1000 kPa
• Minimum operating (switch-on flow rate): 2.5 L/min

Energy Efficiency:
N/A – no energy star rating assigned, but energy-saving ECO modes available

Operating Costs:
Reduced through on-demand heating and selectable ECO levels limiting water flow to 6, 7, or 8 L/min

Best for:

• Homes with 1–2 bathrooms
• Apartments and offices
• Eco-conscious households seeking space-saving electric solutions

Number of Bathrooms and People (Capacity):

• Suitable for 1–2 bathrooms
• Best for 2–4 people, depending on local water temperature and application

Additional features:

• Factory pre-set max outlet temperature of 50°C – no tempering valve needed (AS3498 compliant)
• ECO Mode with three flow restriction settings (6, 7, 8 L/min)
• Memory function for two custom temperatures
• Backlit multifunctional LCD display
• Child safety and anti-scalding protection via internal limiters
• Compatible with optional wireless remote control (FFB 4 Set)
• Built-in diagnostics with fault code display

German-made and energy-efficient, the Stiebel DEL 13 Plus is a three-phase electric instantaneous water heater. Stiebel Eltron’s 3i technology has accurate electronic control, which ensures a constant water temperature and economical energy use. With modern conveniences like a backlit multifunction display, temperature memory buttons, childproofing via anti-scalding protection, and an ECO mode to limit flow and energy use, this model is ideal for modern households seeking a compact, efficient hot water solution without the need for a tempering valve.

FEATURES:

Heating Method: Electronically controlled bare wire heating system

Hot Water Supply: Instantaneous, heats water as it flows through

Recovery Time: Not applicable (continuous flow system)

Installation Location: Undersink or oversink; vertical wall-mounted installation

Water Pressure: Maximum permissible pressure: 1000 kPa (1.0 MPa)

Energy Efficiency: N/A

Operating Costs: Reduced through ECO mode (flow-limiting for energy saving)

Best for: Domestic households needing compact, precise hot water delivery without a storage tank

Number of Bathrooms and People (Capacity): Suitable for single bathroom setups and moderate usage—supports one or more draw-off points. Recommended for 1–2 people depending on hot water demand and flow rate.

Additional Features:

• Backlit multifunction display
• ECO flow mode (limits to 6, 7, or 8 L/min)
• Temperature memory function buttons
• Anti-scalding protection with adjustable Tmax limit
• Air detection safety shutdown
• Optional wireless remote control (FFB 4)