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GOLD · Hot-water storage

Hot-water cylinders

Thermal storage that completes your system. Explore the GOLD 120 and 200 L models with enamel-lined tanks, thermal insulation and electric backup, and select the capacity your project needs.

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White GOLD hot-water cylinder with the gold crown brand mark
GOLD hot-water cylinders

120 & 200 litres · Construction

Considered from the inside out.

Protective layers, insulation and integrated equipment support hot-water storage and connection to the heat source.

Magnified illustration of enamel, steel, heat-exchange jacket and insulation in the cylinder wall
Thermal insulation4 / 6 cm

4 cm on the 120 L model; 6 cm on the 200 L model, with 5 cm around the jacket.

Inner enamel lining0.15–0.5 mm

A protective layer on the steel tank’s inner surface.

Magnified illustrative layers; rendered colours and thicknesses are not to engineering scale.

Enamel-lined interior

A 0.15–0.5 mm enamel layer and a magnesium anode help protect the inner tank against corrosion.

Thermal insulation

40 mm on the 120 L model; 60 mm on the 200 L model, with 50 mm around the heat-exchange jacket.

Jacket heat exchange

A separate heat-exchange jacket surrounds the inner tank, with a 5 bar working pressure on both models.

Electric backup

A 1500 W heating element with a 220–240 V / 50 Hz supply and IPX4 protection rating.

Model-by-model specifications

120 or 200 litres. A clear comparison.

Compare installation dimensions, working pressure and equipment before choosing the right model for your system.

Technical specifications for SK-120LT and SK-200LT
Specification120 litres200 litres
ModelSK-120LTSK-200LT
Inner tank working pressure7 bar10 bar
Jacket working pressure5 bar5 bar
Dimensions: diameter × height560 × 970 mm560 × 1470 mm
Net weight41 kg71 kg
Electric heating power1500 W1500 W
Electrical supply220–240 V / 50 Hz220–240 V / 50 Hz
Protection ratingIPX4IPX4
Materials & insulation details
Materials & insulation details
Specification120 litres200 litres
Tank body thickness2 mm2.5 mm
Enamel thickness0.15–0.5 mm0.15–0.5 mm
Insulation thickness200 L model: 50 mm around the heat-exchange jacket.40 mm60 mm

Inside the cylinder

Separate circuits. Defined connections.

The cutaway illustrates the tank and heat-exchange jacket, with dedicated connections for water, circulation and protection.

Cylinder cutaway illustration showing the electric element inside the tank, separate heat-exchange jacket and surrounding insulation
Electric backup1500 W

Heating element inside the tank · 220–240 V / 50 Hz.

Heat-exchange jacket5 bar

Working pressure of the separate jacket circuit on both models.

Construction illustration, not an installation drawing. Refer to the model drawing for connection locations and installation orientation.
Illustration of the cylinder service end showing the hot-water outlet, magnesium-anode port and electric-heater cover
Hot-water outletG 3/4

Dedicated outlet for hot water from the storage tank.

Magnesium anodeG 1

Internal-protection port to help resist tank corrosion.

Illustrative service-end view; connection sizes are listed below.

Connection port sizes

G 3/4

Water & circulation

  • Hot-water outlet
  • Cold-water inlet
  • Circulation inlet
  • Circulation outlet
G 1/2

Safety & venting

  • Temperature & pressure valve port (T&P)
  • Safety-valve liquid inlet
  • Air vent
G 1

Internal protection

  • Magnesium-anode port

Available capacities

A capacity for your project.

  • 120litres
  • 200litres
  • 300litres
  • 500litres
  • 800litres
  • 1000litres

The detailed specifications above apply to the 120 and 200 L models. Equipment and dimensions for larger capacities are selected with the GOLD team to suit the project.

GOLD

Coordinate storage with your system.

Share your hot-water demand, heat source and installation space. Our team will help select the appropriate capacity and configuration.

Find your cylinder size