SMARTFOX Booster 3K + Extension (Set) for Single-Phase Heating Rod

SMARTFOX Booster 3K + Extension – Intelligent Hot Water Management with Solar Power

The SMARTFOX Booster 3K + Extension (Set) is a control system for single-phase heating rods that uses excess solar energy to heat water. It consists of the Booster 3K and an extension unit for connecting the heating rod.

• Optimizes the self-consumption rate of your photovoltaic system through targeted water heating
• Easy retrofitting to existing single-phase heating rods – no complex installation required
• Intelligent control dynamically adjusts heating power to available solar energy
• Reduces dependence on the public grid and lowers heating costs

What sets SMARTFOX Booster 3K + Extension apart

Unlike simple smart plugs, the Booster measures real-time solar production and controls the heating rod via pulse width modulation, using only surplus energy. The extension increases range and allows installation even in remote boiler rooms.

Ideal for...

This set is designed for owners of photovoltaic systems with a single-phase heating rod who want to increase self-consumption and reduce water heating costs. Suitable for single-family homes, holiday homes, or agricultural operations with solar panels.

How to use SMARTFOX Booster 3K + Extension

Mount the Booster near the heating rod and connect it according to the instructions. Commissioning is done via the SMARTFOX app, where you set the desired operating modes and limits. A basic PV system with an inverter is required.