The ideal heating element for enamelled buffer tanks and hot water cylinders – in combination with the SMARTFOX Booster 3K for seamless PV surplus utilization.

3–9 kW
Power Levels
G1½"
Standard Thread
85 °C
Max. Temperature
4 Models
To Choose From
High-quality construction, standard thread and direct booster connection – for maximum PV self-consumption.
PV Surplus Utilization
Seamless control via SMARTFOX Booster or Energy Manager – no PV surplus is lost.
G1½" Standard Thread
Fits all common enamelled buffer tanks and hot water containers without adapter.
Integrated Thermostat
High-quality temperature controller (TR) 0–85 °C, 10 K hysteresis – protects the tank from overheating.
For Heating & Drinking Water
Suitable for enamelled buffer tanks, heating storage and domestic hot water containers.
Reliable Construction
High-quality heating element made of stainless steel – durable and corrosion-resistant.
Ideal for Booster 3K
3 kW model: directly single-phase. 4.5–9 kW models: three-phase controllable via Booster Extension.
The Booster 3K controls the immersion heater seamlessly – PV surplus is converted directly into heat, without a separate energy manager.
Single-Phase Combination
Booster 3K + Heater 3 kW
Three-Phase Combination
Booster 3K + Extension + Heater up to 9 kW
| Power | Voltage | Phase | Immersion Depth | Unheated Length | Thread |
|---|---|---|---|---|---|
| 3 kW | 1~230V | Single-Phase | 345 mm | 100 mm | G1½" (6/4") |
| 4,5 kW | 3~400V | Three-Phase | 360 mm | 100 mm | G1½" (6/4") |
| 6 kW | 3~400V | Three-Phase | 480 mm | 100 mm | G1½" (6/4") |
| 9 kW | 3~400V | Three-Phase | 660 mm | 100 mm | G1½" (6/4") |
All models with integrated temperature controller and G1½" thread
Complete Sets with SMARTFOX Booster 3K
+
3 kW Set
Booster 3K + Heizkörper 3 kW
Single-Phase · 1~230V779,- €
net, excl. VAT
+
4,5 kW Set
Booster 3K + Extension + Heizkörper 4,5 kW
Three-Phase · 3~400V899,- €
net, excl. VAT
+
6 kW Set
Booster 3K + Extension + Heizkörper 6 kW
Three-Phase · 3~400V909,- €
net, excl. VAT
+
9 kW Set
Booster 3K + Extension + Heizkörper 9 kW
Three-Phase · 3~400V919,- €
net, excl. VAT
* Prices are non-binding recommended retail prices (RRP) net excl. VAT. End customer prices may vary.
Für welche Speicher ist der SMARTFOX Einschraubheizkörper geeignet?
Welche Leistungsstufen sind erhältlich?
Wie wird der Einschraubheizkörper mit dem SMARTFOX Booster kombiniert?
Hat der Einschraubheizkörper einen integrierten Thermostat?
Welches Gewinde hat der Einschraubheizkörper?