Electric water heating systems in residential and commercial buildings often require supplementary heating to maintain consistent hot water supply. This electrical heating element set is specifically tailored for QUADROFLEX QFS/QFDS water tanks, providing a reliable solution for installations where additional thermal support is needed. The system is commonly used in domestic hot water applications, where the tank is part of a larger heating or solar thermal system. Installers working with these tanks will find this set suitable for integration into existing electrical and plumbing infrastructure, ensuring stable operation and safety.

The installation typically involves connecting the heating element to the tank’s internal cavity and integrating the thermostat into the control system. The system is designed to operate in environments where the tank is already part of a larger thermal network, such as in combination with a boiler or heat pump. The compact size and standard electrical requirements make it suitable for retrofitting or as a replacement in existing systems.

Technical parameters

Code	300560
Brand	QUADROFLEX

The set includes a 4.5kW heating element operating at 230V, with a length of 40.5 cm. These parameters are essential for determining the suitability of the element for the tank’s internal dimensions and the required . The thermostat ensures within the tank, preventing overheating and ensuring safe operation. When selecting this component, ensure that the tank’s internal space and electrical supply match the element’s dimensions and voltage requirements.

Installation and connection

Installation begins with verifying the tank’s internal dimensions and electrical supply compatibility. The heating element is inserted into the tank and secured in place, ensuring it does not touch the tank walls or bottom to prevent localized overheating. The thermostat is connected to the electrical supply and linked to the heating element via the appropriate wiring. A key step is to ensure the electrical connections are properly insulated and secured within a junction box. Common mistakes include incorrect positioning of the element or failure to ground the system properly, which can lead to safety hazards or reduced efficiency.

Compatibility and accessories

This set is specifically designed for QUADROFLEX QFS/QFDS water tanks with capacities between 800 and 2000 L. It is not compatible with other tank models or systems that require different voltage or thermal output specifications. No additional components are included in the set, so the installer must ensure that all necessary wiring and junction boxes are available on-site. The system is intended for use with standard electrical infrastructure and does not require special tools or accessories for installation.

Technical background for designers

The heating element operates by converting electrical energy into thermal energy through resistive heating. The stainless steel construction provides resistance to corrosion and ensures long-term durability in a water environment. The thermostat monitors the tank’s internal temperature and interrupts the power supply when the set point is reached, preventing energy waste and potential damage. The system is designed to integrate seamlessly with the tank’s existing control and insulation systems. Factors such as water hardness and regular maintenance can affect the element’s efficiency and lifespan, making it important to consider the local water conditions during design.

Service and operation

Regular inspection of the electrical connections and thermostat functionality is recommended to ensure safe and efficient operation. The heating element should be checked for signs of scaling or corrosion, which can reduce heat transfer efficiency. If the thermostat fails to regulate the temperature correctly, it should be replaced immediately. No specific service intervals are provided in the brief, but routine checks are advised to maintain system performance and safety.

Frequently asked questions

Can the heating element be used with tanks outside the QFS/QFDS range?
No, this set is specifically designed for QUADROFLEX QFS/QFDS water tanks with capacities between 800 and 2000 L. It is not compatible with other tank models.

Is the thermostat adjustable?
Yes, the thermostat included in the set allows for temperature regulation within the tank. It should be set according to the manufacturer’s recommendations to ensure safe operation.

What is the voltage requirement for the heating element?
The heating element operates at 230V. Ensure that the electrical supply matches this requirement before installation.

Can the heating element be replaced individually?
No, the set includes both the heating element and the thermostat as a complete unit. Replacements should be ordered as a complete set to ensure compatibility and proper function.