Get in touch with our team and receive a custom quote for your project
Ariston E-Combi One 24kW Boiler including Horizontal Flue Kit
Exc. VAT
Inc. VAT
Regular price
£635.00
(Inc. VAT)
inc. VAT
FREE Express Delivery (1-3 days) in UK Mainland on most orders
Excluding: Solar Panels (£59 delivery), Batteries (£49 delivery), Small Items (£4.95 delivery)
Next Working Day Delivery options if ordered before 12.00 pm — Contact Us
Same-day Delivery options — Contact Us
Click & Collect available — Contact Us
Custom quote available on request
*See checkout or shipping policy for full details
Payment options
High‑efficiency 24kW condensing combi boiler with stainless steel Xtratech™ heat exchanger, supplied complete with standard horizontal flue kit for easy wall‑hung installation.
Key Features
- 24kW combi gas boiler suitable for small to medium homes with one bathroom and typical hot water demand.
- Condensing technology with Xtratech™ stainless steel primary heat exchanger for improved efficiency and reliability.
- Integrated “Auto” function to modulate operation and optimise energy use, helping to maintain comfort while lowering gas consumption.
- 1:7 modulation ratio for precise output matching and reduced cycling.
- A‑rated ErP efficiency for both heating and hot water.
- Quiet operation (from around 49 dB), compact, lightweight design for easy cupboard or wall mounting.
- Large back‑lit digital display and simple user controls; compatible with Ariston controls and Ariston NET app (with appropriate accessories).
- Supplied with standard horizontal flue kit (typically 1 m horizontal flue with terminal and fittings) for through‑the‑wall flueing.
Performance
| Boiler Type | Condensing combination (combi) gas boiler |
| Central Heating Output | ≈ 22–26 kW max |
| DHW Output | Up to 24–26 kW for domestic hot water |
| DHW Flow Rate | Approx. 10.4–12.5 l/min ΔT 35°C (typical published figures) |
| Efficiency Rating | 94% (SEDBUK/seasonal), ErP A for heating and hot water |
| Fuel | Natural gas; LPG‑compatible versions / kits available |
Dimensions & Installation
| Height | 745–757 mm |
| Width | 400 mm |
| Depth | 331–385 mm (depending on data source) |
| Mounting | Wall‑hung, standard 24kW combi case size |
| Weight | ≈ 29.3 kg (boiler alone) |
| Flue Kit | Standard horizontal flue kit included (e.g. 3318073), 1 m terminal through external wall |
Controls & Warranty
- Back‑lit digital display with clear status and temperature read‑outs.
- Compatible with Ariston room controls and Ariston NET smart control (additional accessories required).
- Standard manufacturer’s warranty commonly 2–5 years depending on region/installer and registration; always check current Ariston terms.
MPN: 3301131
Model: Ariston E‑Combi One 24kW Gas Combi Boiler (including Horizontal Flue Kit)
Compact, efficient 24kW Ariston E‑Combi One boiler package with horizontal flue included, ideal for smaller homes needing a reliable, easy‑to‑install combi solution.
- Type Gas Combi Boilers
- Vendor Ariston
- SKU 3301131
Downloads
BTU & WATT Calculator
Room Dimensions
Room Type
Living Room
Bedroom
Kitchen
Bathroom
Conservatory
Hallway
Glazing Type
Single Glazed
Double Glazed
Triple Glazed
External Walls
0 Wall
1 Wall
2 Walls
3 Walls
4 Walls
Insulation Level
Poor
Average
Good (New Build)
Required Heating
0
Watts
0
BTUs