Ariston SGA gas storage water heaters. Aurora selects the model around simultaneous demand, tank volume and first-hour delivery, with installation and ongoing support.
Last updated: September 30, 2026
We’ll call you within the hour to confirm details and set an inspection time.
Highlights
- The Italian Ariston brand
- Heating and storing domestic hot water
- Selected around demand and first-hour delivery
- Installation and support by Aurora
Completed projects you can explore
- 109projects delivered
- 998units installed
- 16governorates
These figures come from the projects record on this site — you can count them yourself.
The Ariston SGA models shown here heat domestic water with gas and store it in a tank. During a draw, you use the stored water while the unit reheats. Radiators and underfloor heating use a separate circuit that needs a suitable heat source; the word “boiler” alone does not mean a unit serves both purposes.
When a boiler fits best
- Several hot-water outlets used close together
- Demand that benefits from stored water and suitable recovery output
- Space for the tank, safe installation and service access
- Gas supply and a flue arrangement meeting the model requirements
Why Ariston with Aurora
Before selecting a model, we review household demand, tank location, gas supply and the flue route. The quote identifies the unit, installation provisions and warranty scope, so you can see what is included and what your property still needs.
The number that matters: first-hour delivery
Tank size alone does not tell you whether a boiler will keep up. The number that matters is first-hour delivery: if the whole house opens hot water at once, how many litres the boiler gives in the first hour — the stored water plus what it heats while running. For Ariston SGA that is 534 L for the 150 model, 733 L for the 200 and 1,135 L for the 300. That is why sizing starts from the number of simultaneous outlets, not from capacity.
When it is not the right choice
For modest demand and limited space, compare it with an instant heater against the required flow. If gas or flue provisions do not suit the property, we review a heat pump or solar heater. Bathroom count alone is not enough to choose.
The next step
Prepare the number of users, the outlets used together and a photo of the proposed location. During the free inspection, we check these on site and identify the model and installation provisions.
Product images
Specifications
| Capacities and first-hour delivery | 150 L → 534 L · 200 L → 733 L · 300 L → 1,135 L |
|---|---|
| Tank | Glass-lined with titanium lining — inner tank tested at 16 bar |
| Safety | Triple-safety gas valve |
| Ignition | Piezo |
| Insulation | Polyurethane |
| Flue | Natural draft |
Specifications from the approved Aurora catalogue. The right model and output for your property depend on how you use it — the Smart Advisor recommends and the site visit confirms.
FAQ
What exactly does the boiler do?
The SGA models here heat and store domestic water. Room and underfloor heating need a heat source suited to their circuit; a water heater should not automatically be assumed to serve it.
Is the boiler safe?
Safety depends on a suitable unit, gas, flue and ventilation arrangements following the manufacturer’s instructions, and required maintenance. We review these before installation; a qualified technician should handle any gas fault.
How do I know the right capacity?
We review users, simultaneous flow, duration of use and required water temperature. We then compare tank volume, first-hour delivery and recovery output; bathroom count alone is not a sizing method.
How is the price decided?
We select a smart heating system sized around your home, not a product off the shelf. Price depends on Capacity (unit output sized to bathrooms and draw-off points) · Consumption (how many hot-water points run at once, and whether it also runs heating) · Purchase timing (the season you buy in — costs are not fixed year-round) · Accessories (safety valve, pressure reducer, circulation pump and controls) · Optional extras (any additions you ask for). After the free assessment, our quote identifies the model, specifications, installation scope and warranty. You get a clear recommendation and know what the cost includes, with installation and support from Aurora.
Already have a boiler or water-heating system?
Safety valves, pressure reducers, circulation pumps and their control panels all get replaced over time — and the safety valve in particular is not something to postpone.
See accessories & spare partsFrom the first inspection to commissioning and maintenance
Every project begins with the real requirement and is handed over only after the complete system is tested
- 1
Inspection and design
We survey the site, analyse the requirement, then design the right solar, boiler or central-heating system
- 2
Installation and execution
Specialist technicians and certified European equipment deliver a safe system that fits the property
- 3
Commissioning and maintenance
We test every operating point, hand over a working system, and continue with warranty and scheduled maintenance