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Continue to Chathttps://www.watts.eu/sk/products/eu/sanitary-devices-systems/safety-devices-and-expansion-vessels/safety-group-sfr-na-for-hot-water-storage-heaters-up-to-4kw-10-50l
https://www.watts.eu/sk/products/eu/sanitary-devices-systems/safety-devices-and-expansion-vessels/safety-group-sfr-na-for-hot-water-storage-heaters-up-to-4kw-10-50l