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Galmet water heater with spiral coil 250 L, indirect domestic hot water storage tank 26-258000
Galmet 250 L water heater with an integrated spiral coil is an indirect domestic hot water storage tank designed to store and deliver hot water for residential and light-commercial applications. The tank receives heat from an external source—such as a boiler, heat pump or solar thermal system—via the internal spiral heat exchanger, enabling efficient transfer and consistent hot water availability. The design emphasizes large capacity and compatibility with common heating systems to support continuous domestic hot water needs.
The integrated spiral coil provides a large heat exchange surface area that improves thermal transfer efficiency between the external heat source and stored water. The 250-litre capacity allows for extended hot water supply and reduces the frequency of reheating cycles. Construction materials and internal layout are intended to minimise heat loss and ensure stable stratification, supporting predictable temperature output throughout the day.
Install the water heater according to local plumbing and heating regulations and the manufacturer’s installation instructions, connecting the spiral coil to the external heat source and the tank to the domestic hot water distribution. Ensure correct hydraulic connections, pressure relief and safety devices are fitted and that an appropriate expansion vessel and water treatment measures are in place if required. Commission the system by following the prescribed filling, venting and heating procedures to verify heat transfer through the coil and to confirm there are no leaks.
For optimal performance, match the coil size and flow rates of the external heat source to the tank’s thermal capacity and maintain regular maintenance of safety valves and insulation. Where water hardness is high, consider installing scale protection or water softening to protect the heat exchanger and prolong service life.
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