Primary Water Tanks



200 à 3000 litres

CE compliance

T° maxi = 110°C

Non-reverse bottom

Maxi working pressure = 7 bar

Inspection manhole

«CALEO» tanks are designed for the storage or recuperation of energy on primary
Their use provides a reserve of hot water which offers the possibility:
• to absorb peak hour consumption
• to limit the installed power of the heating system
• to diminish the frequency of its operation.
«CALEO» tanks can also be equipped with electric immersion heaters, allowing for use in
heating mode, or frost protection.

AdvantagesTechnical descriptionDocumentaries


• Flexible jacket 60mm thick (λ.= 0,032 W/m/K).
• Jackets according to NF C 73221-1 standard.
• Observing thermal regulation RT 2005.
• Bottom dished end insulated (flexible jacket).
• Jackets fire rated by the CSTB or the NTL.
• Working pressure = 7 bar.
• Electric back-up (optional).
• Non-standard versions available on request.
• Plastic film wrapping

Technical description

  • Tank
    • Tank in carbon steel, vertical in 3 feet.
    • Capacity from 200 to 3000L.
    • Maximum working pressure = 7 bar – Test pressure = 10 bar.
    • Tappings (in accordance with the following diagram).
  • External protection
    • Anti-rust paint..
    Removable thermal insulation
    Fire proof rating : M1 (Euroclass B)
    • High-performance mineral wool – 60 mm thick (even on the lower
    dished end up to 3 000 L).
    • Flexible PVC jacket.
  • Fire proof rating : M0 (Euroclass A2)
    • Rockwool – 50 mm thick.
    • Isoxal metal sheet jacket.
  • Options electrical backup
    • Resistor fixing ring soldered on tank.
    • Electrical elements with Incoloy pins.
    • Double safety thermostat (-30/+35°C).
  • Other options
    • ø 400 mm inspection manhole (from 500L).
    • Accessories kit (thermometer -30/+50°C, DN25 safety valve,
    degasser, DN50 valve for drainage).
    • Upon request : non-standard capacity, dimensions, working pressure
    and tappings implantation.
    • Horizontal tank.
  • Warranties (in accordance with our general conditions of sale)