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Electric Heating Element with Thermostat KOSPEL GRW-4.5kW/400V 6/4
KOSPEL Electric Heating Element GRW-4.5kW/400V 6/4 is an immersion heater intended for water heating applications that require a three-phase 4.5 kW power input. The unit integrates a thermostat to provide regulated temperature control and is built for installation in compatible boilers, tanks or water heaters designed to accept flange-mounted heating elements. The design is suitable for domestic hot water systems as well as small-scale industrial or commercial water heating tasks where reliable thermal regulation and steady heating output are required.
The built-in thermostat enables accurate regulation of water temperature without the need for an external controller. The 4.5 kW, 400 V three-phase configuration delivers stable heating power for a range of vessel sizes. Durable immersion construction and materials resistant to typical water conditions contribute to long service life when installed and maintained according to manufacturer guidance. The compact flange-mounted form factor simplifies replacement or retrofit into compatible tanks and boilers.
Install the heating element into a compatible flange opening on the boiler or tank following the appliance manufacturer’s instructions. Ensure electrical connections are made by a qualified electrician to the correct three-phase supply and observe all local wiring regulations. Set the integrated thermostat to the required water temperature and check system operation; allow the element to reach operating temperature while monitoring for leaks or abnormal noise. Regularly inspect electrical connections and the sealing flange for signs of wear or corrosion and replace gaskets as needed.
Use the element only in clean water systems or systems with appropriate corrosion protection; avoid installation in aggressive or chemically contaminated fluids. Verify that the tank and system wiring are rated for 4.5 kW at 400 V and that protective devices (fuses, circuit breakers, RCDs) are sized and set correctly. Schedule periodic inspections for scaling and corrosion; descale or service the heater according to water hardness and local maintenance practices.
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