Baxi 600 Combi
This compact, powerful boiler can be operated using smart controls through an app on your phone or tablet.
- Features
- Dimensions
- 7 year parts and labour warranty*
- Built in the UK using top quality brass components
- Fits inside a standard kitchen cupboard
- EasyFill makes it easy to top up the central heating system pressure without the need to call an engineer
*Terms and Conditions apply.
- Boiler width = 390mm
- Boiler height = 700mm
- Boiler depth = 285mm
- Side clearance = 5mm
- Upper clearance = 178mm
- Lower clearance = 200mm
- Front clearance = 5mm in operation, 450mm for servicing
Installer Information
Technical Features
- 24kW, 30kW and 36kW
- Compact cupboard fit
- Pipes behind facility within boiler casing
- From only 29.2kg lift weight
- Easy-Fill permanent filling link makes it easier for householder to top up system
- Brass hydraulics block
- OpenTherm interface
- Compatible with uSense smart control
- Simple hanging bracket
- Choice of flue lengths
- Combine this product with a uSense to be Boiler Plus compliant - Find out more
- Certified to work with 20% hydrogen
Dimensions
- Boiler width = 390mm
- Boiler height = 700mm
- Boiler depth = 285mm
- Side clearance = 5mm
- Upper clearance = 178mm
- Lower clearance = 200mm
- Front clearance = 5mm in operation, 450mm for servicing
Technical Data Table
| Baxi 600 Combi | 624 Combi | 630 Combi | 636 Combi | |
| Sales Code | Boiler only |
7682194 | 7682101 | 7691350 |
Controls |
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| User adjustable DHW temperature | Range - 35° to 60° | Yes | Yes | Yes |
| User adjustable CH temperature | Range - 25°to 80° | Yes | Yes | Yes |
| Temp/status/fault diagnosis display | LCD display | LCD display | LCD display | |
| uSense Wired (optional accessory) | 7649277 | Optional | Optional |
Optional |
| Integral 24 hr Electro-mechanical timer | No | No | No | |
| Wired 24hr Electro-mechanical timer (optional accessory) | 720971401 | Optional | Optional | Optional |
| 7 Day RF Digital Programmable Room Thermostat (optional accessory) | 720030501 |
Optional | Optional | Optional |
| Single Channel Wired Programmable Room Thermostat (optional accessory) | 7212438 |
Optional | Optional | Optional |
| Single Channel Wired Timer (optional accessory) |
7212444 | Optional | Optional | Optional |
| Wired room Thermostat (optional accessory) | 720971601 | Optional | Optional | Optional |
| Wired Outdoor Weather Sensor (optional accessory) |
7686478 | Optional | Optional | Optional |
| Baxi iFOS (optional accessory) | 7683084 |
Optional |
Optional |
Optional |
| Baxi Easy-Fill | 7665482 |
Yes | Yes | Yes |
| Water heating efficiency class | A | A | A | |
| Gas | ||||
| Natural gas | Yes | Yes | Yes | |
| Propane LPG | No | No | No | |
| Inlet supply pressure (natural gas) |
mbar (nominal) |
20 | 20 | 20 |
| Maximum Gas Rate (G20) Qmax | m3/hr | 2.71 | 3.26 | 3.81 |
| NOx | mg/kWh | 31 | 31 | 39 |
| NOx class | 5 | 5 | 6 | |
| Heat input CH | kW (Max) Gross (QnHs) | 22.9 | 22.9 | 28.6 |
| kW (Min) Gross (QnHs) | 6.9 | 6.9 | 7.4 | |
| Heat output CH (non condensing) |
kW (Max) (Pn) | 20 | 20 | 25 |
| kW (Min) (Pn) |
6.1 | 6.1 | 6.7 | |
| Heat output CH (condensing) |
kW (Max) (Pnc) |
21.2 | 21.2 | 26.4 |
| kW (Min) (Pnc) | 6.7 | 6.7 | 6.7 | |
| Heat input domestic hot water (DHW) |
kW max gross (QnwHs) | 28.6 | 34.3 | 40.8 |
| Heat output domestic hot water |
kW max | 25.8 | 30.9 | 36.8 |
| SAP 2009 Annual Efficiency (PCDB/SEDBUK) |
89% | 89% | 89% | |
| ErP Product Information | ||||
| Seasonal Space Heating Energy Efficiency | 93% | 93% | 93% | |
| Sound power level, indoors | LWA dB | 47 | 48 | 49 |
| Space heating efficiency class | A | A | A | |
| Water heating declared load profile | XL | XL | XL | |
| Water heating efficiency class | A | A | A | |
| Electrical | ||||
| Electrical supply | Volts / Hz |
230V / 50Hz |
230V / 50Hz |
230V / 50Hz |
| Permanent live required |
Yes | Yes | Yes | |
| Electrical cable supplied |
(0.75mm heat resistant flex) | No | No | No |
| Power consumption when firing |
Watts |
68 | 80 | 110 |
| External fuse rating |
Amps | 3 | 3 | 3 |
| Internal fuse rating |
Amps | F2A H250V | F2A H250V |
F2A H250V |
| Boiler IP rating (electrical protection) without integral timer fitted |
Approval category | IPX5D | IPX5D | IPX5D |
| Circulating pump exercise feature | Yes | Yes | Yes | |
| Pump overrun |
Yes | Yes | Yes | |
| Integral 'boiler only' frost thermostat |
Yes | Yes | Yes | |
| Mechanical | ||||
| Hanging Bracket |
Yes | Yes | Yes | |
| Isolating valves with pre-formed copper tails |
Yes | Yes | Yes | |
| Gas supply pipe size |
(mm) | 22 | 22 | 22 |
| Central heating connections |
(mm) | 22 | 22 | 22 |
| Domestic Hot Water connections |
(mm) | 15 | 15 | 15 |
| Condensate discharge pipe connection |
(mm) | 21.5 | 21.5 | 21.5 |
| Safety discharge pipe connection |
(mm) | 15 | 15 | 15 |
| Pre-plumbing jig accessory (optional accessory) |
7682545 | Yes | Yes | Yes |
| Rear pipework kit (optional accessory) | 7682790 | Yes | Yes | Yes |
| Temporary flexible filling loop (optional accessory) |
248221 | Yes | Yes | Yes |
| Remote secondary PRV kit (optional accessory) |
5121379 | Yes | Yes | Yes |
| Hydraulic | ||||
| Maximum DHW flow rate (Delta T @ 35ºC max) | l/min | 10.2 | 12.2 | 15 |
| Minimum DHW flow rate required |
l/min | 2 | 2 | 2 |
| Minimum operating DHW pressure required |
bar | 0.5 | 0.5 | 0.5 |
| Maximum DHW system pressure |
bar | 8 | 8 | 8 |
| Safety discharge pressure | bar | 3 | 3 | 3 |
| Compartment ventilation required | No | No | No | |
| Easy-Fill permanent filling loop supplied |
Yes | Yes | Yes | |
| Integral expansion vessel |
7 | 7 | 7 | |
| Maximum capacity of CH system | 100 | 100 | 100 | |
| Integral automatic bypass |
Yes | Yes | Yes | |
| CH System Inhibitor Required |
Yes | Yes | Yes | |
| Concentric flue systems |
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| Concentric flue diameters |
mm | 60/100 and 80/125 |
60/100 and 80/125 | 60/100 and 80/125 |
| Standard telescopic horizontal flue (60/100mm) |
mm | 315-500 | 315-500 | 315-500 |
| Standard horizontal flue kit (60/100mm) | mm | 685 | 685 | 685 |
| Max equiv length horizontal/vertical (60/100mm) | m | 10 | 10 | 10 |
| Max equiv length horizontal/vertical (80/125mm) |
m | 20 | 20 | 20 |
| Equivalent length per 135º bend |
m | 0.5 | 0.5 | 0.5 |
| Equivalent length per 93º bend |
m | 1 | 1 | 1 |
| Weights |
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| Installer lift weight (boiler) |
Max (kg) | 29.2 | 29.2 | 30.5 |
| Gross packaged boiler weight |
(kg) | 32.5 | 32.5 | 32.2 |
Technical Literature
Product Training
We offer product training at our training centres across the UK for installers who want to get hands-on with Baxi boilers.
From construction and installation to functions and features, our expert trainers will give you a complete understanding of working with Baxi boilers.
