românia россия slovenija slovensko sverige türkiye cumhuriyeti | login home | about kessel | references | career | education | sitemap search: products backwater valves> products for interior installation> backwater valves> pumpfix f staufix fka staufix swa staufix basic staufix staufix ø and ø controlfix...
россия slovenija slovensko sverige türkiye cumhuriyeti | login home | about kessel | references | career | education | sitemap search: products backwater valves> products for interior installation> backwater valves> pumpfix f staufix fka staufix swa staufix basic staufix staufix ø and ø controlfix...
or the anti-freeze solution that flows through an array of tubes. once heated, the liquid flows through the tubes to the storage tank. the heated liquid warms the cooler water in the storage tank directly or through a heat-exchanger. a backup energy source, normally electricity or gas, supplies the...