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.
Power supply | Gas operation |
Heating capacity | 21500 W |
Power consumption | 21500 W |
Mounting type | Wall-mounted |
Item number | 21301877 |
Manufacturer | Ariston |
Category | Mobile radiators |
Manufacturer no. | 3632523 |
Release date | 26.6.2022 |
Heating capacity | 21500 W |
Heating unit Special features | Overheating protection |
Mounting type | Wall-mounted |
Safety functions | Overheating protection |
CO₂-Emission | |
Climate contribution |
Power supply | Gas operation |
Power consumption | 21500 W |
Length | 21 cm |
Width | 31 cm |
Height | 58 cm |
Weight | 10.20 kg |
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- AristonNot enough data
- 1.AEG Haustechnik0.3 %
- 2.Stiebel Eltron0.6 %
- 3.Furber1.3 %
- 4.Aeno1.6 %
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- AristonNot enough data
- 1.Mill1 day
- 2.Eurom2 days
- 3.Furber3 days
- 4.Aeno5 days
Return rate
How often is a product of this brand in the «Mobile radiators» category returned?
Source: Digitec Galaxus- AristonNot enough data
- 1.Olimpia Splendid1.2 %
- 2.Stiebel Eltron1.6 %
- 3.Mill2.1 %
- 4.Sonnenkönig2.7 %