Cylinders

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Smart 420

Fast recovery Tank-in-Tank Cylinder - perfect partner to a condensing boiler

  • TANK-IN-TANK TECHNOLOGY
Short Energy Label

# GTIN : 5400891001752
# P/N : 06618601

  • External heating source
  • Tanks
  • Floor installation
Energy Label
  • Stainless steel construction - no anode protection required.
  • High quality insulation: 50 mm rigid polyurethane.
  • Easy access control pod with thermostats and six pin plug for simple electrical connection
  • Hard wearing polypropylene finish
  • Residential or commercial use
  • Can be used in battery formation for higher hot water output.
Schematic
  1. Auxiliary connection DHW
  2. Domestic cold water inlet.
  3. 50mm rigid polyurethane insulation
  4. Primary fluid inlet.
  5. Internal stainless steel tank.
  6. Return connection (primary circuit)
  7. Outer steel tank containing the primary fluid.
  8. Manual air vent
  9. Domestic hot water outlet
  10. Polypropylene lid
  11. Outer jacket, thick polypropylene shell
  12. Polypropylene reinforced base

Constructive characteristics

Capacity (total) 413 L
Capacity (primary) 55 L
Weight (empty) 167 kg
Max operating temperature 90 °C
Max operating pressure heating (primary) 4 bar
Max operating pressure (DHW) 8,6 bar
Primary flow (EN 12897:2016) 1,81 L/s
Primary heater pressure drop (EN12897:2016) 95 mbar
Connection - primary 1 ½ F Ø"
Connection - DHW 1 ½ M Ø"
Connection - re-circulation / safety valve 1 ½ M Ø"

Heating characteristics

Reheat time (EN 12897) - min
Reheat performance (EN 12897:2016) 65 kW
Max absorbed heat (Heat source: boiler) 88 kW

Domestic hot water performance

Peak flow at 40°C 1195 L/10’
Peak flow 1st hour at 40°C 3151 L/60’
Continuous flow at 40°C 2536 L/h
Peak flow at 45°C 1012 L/10’
Peak flow 1st hour at 45°C 2608 L/60’
Continuous flow at 45°C 2058 L/h
Peak flow at 60°C 620 L/10’
Peak flow 1st hour at 60°C 1513 L/60’
Continuous flow at 60°C 1153 L/h
Coefficient (NL) 26,3
Dimensions A 2024 mm
Dimensions B 1705 mm
Dimensions C 250 mm
Dimensions D 673 mm
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Eco Design Fields

Energy efficiency storage class C
Standing loss (Energy label) 84 W
    • Energy Label

    • Smart 420

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    • Smart 420

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