Stiebel Eltron WWK222H 220L Heat Pump Hot Water System
The Stiebel Eltron WWK222H uses advanced heat pump technology to capture warmth from the surrounding
air and transfer that heat into water with much lower electricity use than standard electric systems.
With a 220 litre storage tank, this model is ideal for homes with moderate hot water demand and helps
reduce running costs while giving you a steady supply of hot water for showers, dishes and daily use.
Main Features
- Air‑to‑energy heat pump system for efficient hot water production.
- 220 litre tank capacity for day‑to‑day household hot water needs.
- Quiet operation with an encased compressor.
- Can operate in cooler climates down to approximately ‑5 °C thanks to active defrost.
- Compatible with solar PV systems to boost efficiency.
- German engineered design with durable build quality.
- Smart element supports quicker hot water recovery during peak use.
Who It’s For
This model is well suited to medium‑sized households of around 2–4 people who want to reduce
electricity use and enjoy a reliable hot water supply. Its efficient design makes it a good
choice for everyday family living and lower power costs.
Specifications
| Specification | Details |
|---|---|
| Model | Stiebel Eltron WWK222H |
| Storage Capacity | 220 litres |
| Technology | Air‑to‑energy heat pump with smart element |
| Suitable Household Size | 2–4 people |
| Active Defrost | Yes (works in cold climates) |
| Quiet Operation | Encased compressor design |
| Solar PV Ready | Yes |
| Installation | Outdoor or indoor (requires airflow) |
| Warranty – Cylinder | ~5 years |
| Warranty – Parts | ~2 years |
| Dimensions | ~1569 mm H × 690 mm W |
| Weight | ~120 kg |
Benefits
The Stiebel Eltron WWK222H delivers efficient, everyday hot water with lower electricity demand
than traditional electric hot water systems. Its quiet performance and robust operation make it
a reliable choice for medium households, while its smart heat pump design helps reduce running
costs and support environmentally friendly living.