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Ariston Pro R Slim 40L Storage Water Heater

Type: Storage Water Heater (Suitable for concealed ceiling hidden)

Capacity: 40L

Warranty: Tank: 5 Years; Heating Elements: 1 Year

Made in China


We provide Supply + Installation services only. For Enquiries or Bookings, Please Whatsapp to +65 8241 0032

Installation Fee Enquiry (Please Whatsapp to +65 8241 0032 for accurate quotation):

Price may vary depending on Job Scope Size & Complexity, i.e. Installation is done with no false ceiling, below false ceiling or above false ceiling

Cut and Repair False ceiling – Customised Quotation Required, depending on Job Scope Size & Complexity

The Ariston Storage Heater PRO R SLIM series  40L is suitable for concealed ceiling hidden horizontal installation. Each comes with enamelled tank protection, large anticorrosion magnesium anode, and high efficiency insulation material.

Model: PRO R SLIM 40

Type: Storage Water Heater (Suitable for concealed ceiling hidden)

Capacity: 40L

Power rating: 3Kw

Voltage: 230 V

Max. Working Temperature: 65°C

Max. Working Pressure: 8 bar

Dimensions: 40L: 353(W) x 754(H) x 373(D) / 17kg

Warranty: Tank: 5 Years; Heating Elements: 1 Year


  • Enameled steel tested at 16 bar
  • Waterproof protection
  • Temperature regulation
  • high precision thermostat
  • High density insulation
  • Magnesium anode
  • Slim shape
  • Inspection flange
  • Pilot lamp


Additional informations:

  • Easy and flexible installation
  • Two different diameters: Regular (450mm) and Slim (353mm)
  • Exclusive enameled tank protection
  • Horizontal installation
  • External temperature regulation
  • Large anticorrosion magnesium anode
  • High efficiency insulation material
  • Easy maintenance
  • Wide range of capacities
  • Worry-free Total Safety System (TSS)
  • Suitable for concealed ceiling hidden installation