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Sanitary hot water production

The sanitary hot water can be produced through different technologies. A significant part is produced by "Combi" hot water boilers that produce both space heating and sanitary hot water.

The other solution is a water heater, a kind of boiler that is designed to produce exclusively sanitary hot water. This can either be done by an appliance that produces instantaneous hot water (the burner starts to heat the water when the user opens the tap) or a storage system (a water tank is kept at a constant temperature by the burner that starts when the temperature in the tank becomes lower than the temperature required by the thermostat).




Pictures of the different types of sanitary hot water production,

FROM BOILSIM

  1. cold water inlet
  2. hot water outlet
  3. gas supply
  4. combustion air
  5. burner
  6. heat exchanger
  7. flue gas exhaust
  8. pump
  9. three way valve
  10. compact heat exchanger
  11. return water heating system
  12. supply water heating system
  13. control thermostat
  
  1. cold water inlet
  2. hot water outlet
  3. gas supply
  4. combustion air
  5. burner
  6. heat exchanger
  7. flue gas exhaust
  8. pump
  9. three way valve
  10. small storage tank
  11. return water heating system
  12. supply water heating system
  13. control thermostat
  
  1. cold water inlet
  2. hot water outlet
  3. gas supply
  4. combustion air
  5. burner
  6. integrated heat exchanger
  7. flue gas exhaust
  8. return water heating system
  9. supply water heating system
  10. control thermostat
  
  1. cold water inlet
  2. hot water outlet
  3. gas supply
  4. combustion air
  5. burner
  6. heat exchanger
  7. flue gas exhaust
  8. pump
  9. three way valve
  10. heat exchanger
  11. return water heating system
  12. supply water heating system
  13. storage tank
  14. insulation
  15. control thermostat
  16. same here modulating burners

 

  





Source: EVA, BOILSIM project