Ariston Fast RX 11 - NG

21500 W
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Product details

Ariston FAST R X is a highly efficient, reliable, and safe gas instantaneous water heater that ensures comfort for many years to come.

Features:

  • Overheating thermostat: an intelligent mechanism that prevents excessive temperature rise in the heat exchanger.
  • Direct electronic ignition.
  • Flue gas thermostat: blocks the appliance in case of problems with the release of dangerous flue gases.
  • Water and gas filters: protect against contamination of the appliance.
  • Ease of use: simple temperature control panel.
  • GZ50 gas nozzles included (built into the product).

Technical Data:

  • Ignition: electronic.
  • Rated heat output (kW): 21.5.
  • Minimum/rated net output (kW): 8.5 to 18.5.
  • Hot water flow rate at ∆T=25°C (l/min): 11.
  • Minimum hot water consumption (l/min): >2.
  • Maximum working pressure (bar): 10.
  • Minimum pressure reg. entry position (min) (bar): 0.1.
  • Gas type: GZ50.
  • Height/width/depth (mm): 580/310/210.

Low-NOx technology:
The FAST R X instantaneous gas heater is equipped with state-of-the-art burners with low emissions of hazardous nitrogen oxides and meets the requirements of the ERP emission standards.

100% tested and proven:
The products are made from the best materials that ensure durability and reliability in all conditions.

Easy-to-use temperature controller:
The micro gas tank heater allows for convenient and easy temperature control, making the unit extremely easy to use.

Up to 2 years warranty:
The warranty for the FAST R X gas heater can be extended by an additional year.

Key specifications

Power supply
Gas operation
Heating capacity
21500 W
Power consumption
21500 W
Mounting type
Wall-mounted
Item number
21301877

General information

Manufacturer
Ariston
Category
Mobile radiators
Manufacturer no.
3632523
Release date
26.6.2022

Room air conditioner features

Heating capacity
21500 W
Heating unit Special features
Overheating protection
Mounting type
Wall-mounted

Safety

Safety functions
Overheating protection

Voluntary climate contribution

CO₂-Emission
Climate contribution

Power supply

Power supply
Gas operation
Power consumption
21500 W

Product dimensions

Length
21 cm
Width
31 cm
Height
58 cm
Weight
10.20 kg

Package dimensions

Length
69.30 cm
Width
36.60 cm
Height
26.60 cm
Weight
12.47 kg

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Mobile radiators» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Ariston
    Not enough data
  • 1.AEG Haustechnik
    0.3 %
  • 2.Stiebel Eltron
    0.6 %
  • 3.Furber
    1.3 %
  • 4.Aeno
    1.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Ariston
    Not enough data
  • 1.Mill
    1 day
  • 2.Eurom
    2 days
  • 3.Furber
    3 days
  • 4.Aeno
    5 days

Return rate

How often is a product of this brand in the «Mobile radiators» category returned?

Source: Digitec Galaxus
  • Ariston
    Not enough data
  • 1.Olimpia Splendid
    1.2 %
  • 2.Stiebel Eltron
    1.6 %
  • 3.Mill
    2.1 %
  • 4.Sonnenkönig
    2.7 %
Source: Digitec Galaxus