Baxi 500 Assure System 2
The Baxi Assure 500 System 2 boiler is the perfect solution for homes with more than one bathroom or a high demand for hot water and is compatible with the Baxi cylinders and the Megaflo Eco cylinder.
The boiler is compact and small enough to fit in a kitchen cupboard and has a heated condensate trap to help avoid frozen condensate pipes in the winter.
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Two-year parts and labour warranty
Fits inside a standard kitchen cupboard
Compatible with Baxi uSense smart thermostat, so you can control it using an app on your phone
Pre-heated condensate trap to prevent freezing in winter - no more frozen condensate pipes
Works with natural gas or LPG, without a conversion kit
- 15, 18 and 24kW Combi (Natural Gas or LPG)
- Natural gas to LPG conversions
- Lightweight and compact cupboard fit
- Pre-heated Siphonic Condensate Trap
- Positive fit PrV connection pipe
- Combined PrV with separate drain
- Certified OpenTherm
- 2 years parts and labour warranties
- View full technical specifications
| Technical Specifications | Baxi 515 Assure System | Baxi 518 Assure System | Baxi 524 Assure System | |
| Sales Code | 7814318 | 7814319 | 7814320 | |
| Gas | ||||
| Natural gas or LPG | Yes | Yes | Yes | |
| Inlet supply pressure (natural gas) | mbar (nominal) | 20 | 20 | 20 |
| Maximum Gas Rate (G20) Omax | m³ / hr | 1.64 | 1.97 | 2.61 |
| Heat Input CH | kW (max) Gross (OnHs) | 15.5 | 18.6 | 24.7 |
| kW (min) Gross (OnHs) | 4.9 | 4.9 | 4.9 | |
| Heat Output CH (non-condensing) | kW (Max) (Pn) | 15 | 18 | 24 |
| kW (Min) (Pn) | 4.8 | 4.8 | 4.8 | |
| Heat Output CH (condensing) | kW (Max) (Pnc) | 16.3 | 19.9 | 26.3 |
| kW (Min) (Pnc) | 5.2 | 5.2 | 5.2 | |
| Heat Input domestic hot water (DHW) | kW max gross (OnwHs) | N/A | N/A | N/A |
| Heat Output domestic hot water (DHW) | kW max | 24 | 30 | 30 |
| Water heating efficiency class | A | A | A | |
| Electrical | ||||
| Permanent live required | Yes | Yes | Yes | |
| External fuse rating (on connection board) | Amps | F0.5A L250VP | F0.5A L250VP | F0.5A L250VP |
| Pump overrun | Yes | Yes | Yes | |
| Integral 'boiler only' frost thermostat | Yes | Yes | Yes | |
| Hydraulic | ||||
| Maximum DHW flow rate (Delta T @35'C rise) | l/min | - | - | - |
| Minimum DHW flow rate required | l/min | 2 | 2 | 2 |
| Minimum operating DHW pressure required | bar | 0.5 | 0.5 | 0.5 |
| Integral expansion vessel | Size (litres) | 7 | 7 | 7 |
| Maximum capacity of the CH system | Litres | 100 | 100 | 100 |
| Integral automatic bypass | Yes | Yes | Yes | |
| Weights |
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| Installer Lift Weight | (kg) | 28.5 | 28.5 | 28.5 |
| Dimensions |
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| Height | mm | 700 | 700 | 700 |
| Width | mm | 395 | 395 | 395 |
| Depth | mm | 285 | 285 | 285 |
| Clearances |
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| Side (mm) | mm | 2.5 | 2.5 | 2.5 |
| Upper (mm) | mm | 178 | 178 | 178 |
| Lower (mm) | mm | 150 | 150 | 150 |
| Front | mm | 5 | 5 | 5 |
| Front (Service) | mm | 1000 | 1000 | 1000 |
One Point of Contact
Your Specification Manager or Business Development Manager will provide you with a professional and dedicated service.
Baxi Design
Our highly skilled in-house Baxi Design team provides a complete design service, including SAP advice that incorporate Baxi Assure heating and hot water products.
Multioccupancy
For larger domestic installations and commercial projects we also offer an extensive range of high quality commercial products.
- How to recharge the air gap on a Megaflo unvented cylinder
- How to reset a Baxi boiler
- How do I bleed a radiator?
If you've noticed that water is dripping from the safety pipe outside or through the tundish on the outside of your cylinder, this is an indication that the air gap in your cylinder needs recharging. Watch our video to find out how you can easily fix this yourself, without calling a heating engineer.
Read full FAQRead how to reset your boiler, whether it has a dedicated reset button, an ON/OFF/SELECTOR switch or a thermostat control knob.
Read full FAQIf you have cold spots at the top of your radiators, it means that there is trapped air that needs to be removed so your radiators will heat your room efficiently. Follow our simple steps for bleeding your radiators.
Read full FAQ