Hot utility water exchanger, double jacket

Advantages of the double-jacket hot utility water by METALBET

Water heaters METALBET are ones of the most popular such devices in the Polish market.


  • maximal life span and durable anti-corrosion protection – the heater is coated by equal, thick layer of enameling, resistant to splintering and rust, and a magnesium anode, which additionally protects the enameling and minimizes risk of corrosion,
  • great thermal insulation and mechanical durability – applied polyurethane or polyethylene foam, reinforces external layer of the heater but most of all, it efficiently protects water inside the tank from quick cooling,
  • double water jacket – it assures maximally short time of heating of large quantity of water,
  • possibility to connect a few water intake points, e.g. kitchen utilities infrastructure (additional option),
  • possibility of smooth temperature regulation,
  • high aesthetics,
  • version with insulation and available,
  • low price,
  • 3 year guarantee.

Where it works well?

Double jacket hot utility water exchanger perfectly works in all buildings equipped with central heating system:

  • flats,
  • single family houses,
  • utility buildings,
  • workplaces,
  • office buildings,
  • educational objects, e.g. in kindergartens, school etc.

How does it work? Methods of water heating

Double jacket hot utility water exchanger, due to its unique structure and presence of double, steel water jacket (at the bottom and at the top of the tank) enables quick heating up of large quantity of water and it assures maximal thermal-insulation protection.

The exchanger in question has two possibilities to heat the water up:

  • by means of connection to the hot water boiler,
  • by means of an electric heater (additional option) – the heater is a perfect solution in the summer time when there is no need for room heating and hence, furnace / hot water boiler are not used. Electric energy consumption is small and water is heated up quickly.

Type of the heater



Metal sheet, enameled, with a magnesium anode.

Capacity, how to adjust?

We offer vessels of 80 l to 140 l volume, acc. to the table hereunder. Taking needs of our clients into account we can also offer heaters of other capacities – in order to get more information please, do not hesitate to contact us.

Selection of volume of a heater, simplified to the large extent, can be based on number of persons in a household:

  • 1-2 persons: 80-100 L,
  • 3-4 persons: 100 – 120 L,
  • 5 persons: 120 – 140 L,
  • 6-7 persons: 140 L and more.