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Baxi 619 Heat Only Boiler 19kW
The Baxi 619 Heat Only Boiler is a 19kW wall-mounted gas condensing conventional boiler from Baxi's installer-favourite 600 series. Backed by a 7-year parts and labour warranty and rated ErP class A for space heating, it suits homes with a separate hot water cylinder and a high demand for central heating — whether on fully-pumped open-vent or sealed systems. Its no pump-overrun, no permanent-live design cuts installation time and reduces disruption for householders.
19 kW
Heat output
93%
ErP efficiency
7-Year
Parts & labour warranty
17.4 kg
Installer lift weight
ErP A
Space heating class
⚠ Installer notice: Must be installed by a Gas Safe registered engineer in accordance with current Gas Safety (Installation & Use) Regulations. Benchmark Commissioning Checklist must be completed and left with the user.
ℹ Open-vent or sealed: The Baxi 619 can be fitted on either system type, giving maximum flexibility for replacement and new-build applications. No permanent live is required — saving wiring time on site.
Key Features
19 kW Output — Right-sized for Mid-sized Homes
Delivering 19kW of central heating output with a minimum of 7.5kW, the 619 modulates across a wide range to maintain comfort without short-cycling. A flexible replacement for mid-range conventional boilers.
93% ErP Efficiency — ErP Class A Rated
The Baxi 619 achieves 93% Boiler Plus ErP efficiency and SEDBUK 89.2%, qualifying as a Class A space heating appliance. High condensing performance reduces gas consumption and running costs.
7-Year Parts & Labour Warranty
Installed and registered by a Gas Safe engineer, the 619 carries a full 7-year parts and labour warranty for homeowner peace of mind and minimal callback risk for the installer.
No Pump Overrun & No Permanent Live
Unlike many rivals, the Baxi 619 requires no pump overrun and no permanent live connection. This simplifies wiring, speeds up installation, and avoids the need to provide a dedicated switched supply.
Compact & Lightweight at 17.4 kg
At just 17.4 kg installer lift weight, the 619 is easy for a single engineer to hang without mechanical assistance. The slim 270mm depth makes it ideal for kitchen cupboard installations.
Easy-Fit Secure Wall Bracket
The positive-fix wall-mounting bracket with audible locking confirmation ensures the boiler is safely secured at first hang. Front and side access panels allow rapid servicing without special tools.
Flexible Flue Options
A telescopic 60/100mm concentric flue (315–500mm). Top or optional in-case rear flue routing gives site flexibility, with a maximum equivalent horizontal run of 6 metres.
OpenTherm Compatible & Hydrogen Blend Ready
The 619 supports Certified OpenTherm controls such as the Baxi uSense 2, enabling weather-compensating operation for maximum seasonal efficiency. Certified for use with an 80/20 natural gas/hydrogen blend.
Technical Specification
| MPN / Product Code | 7712020 |
| Model | Baxi 619 Heat Only |
| Series | Baxi 600 Heat |
| Heat output (max) | 19 kW |
| Heat output (min) | 7.5 kW |
| Heat input – max gross (QnHs) | 21.75 kW |
| Heat input – min gross (QnHs) | 8.59 kW |
| ErP space heating efficiency | 93% (Class A) |
| SEDBUK 2009 efficiency | 89.2% |
| NOx class / NOx | Class 6 / 21 mg/kWh |
| Sound power level (LWA) | 41 dB(A) indoors |
| Gas supply connection | 22mm |
| Inlet supply pressure (natural gas) | 20 mbar |
| Maximum gas rate | 2.07 m³/hr |
| Electrical supply | 230V / 50Hz |
| Power consumption | 23 W |
| Permanent live required | No |
| Pump overrun required | No |
| External fuse rating | 3A |
| IP rating | IPX4D |
| Flue type | 60/100mm concentric |
| Standard flue length | 315–500mm telescopic |
| Max equivalent flue length | 6 m |
| Flow / return pipe size | 22mm |
| Condensate pipe size | 21.5mm |
| Compartment ventilation required | No |
| Boiler width × height × depth | 370 × 625 × 270 mm |
| Installer lift weight | 17.4 kg |
| Gross packaged weight | 19.5 kg |
| System compatibility | Fully-pumped open-vent or sealed |
| Warranty | 7-year parts & labour |
Frequently Asked Questions
$793.13
Original: $2,266.10
-65%Baxi 619 Heat Only Boiler 19kW—
$2,266.10
$793.13More Images
Baxi 619 Heat Only Boiler 19kW
The Baxi 619 Heat Only Boiler is a 19kW wall-mounted gas condensing conventional boiler from Baxi's installer-favourite 600 series. Backed by a 7-year parts and labour warranty and rated ErP class A for space heating, it suits homes with a separate hot water cylinder and a high demand for central heating — whether on fully-pumped open-vent or sealed systems. Its no pump-overrun, no permanent-live design cuts installation time and reduces disruption for householders.
19 kW
Heat output
93%
ErP efficiency
7-Year
Parts & labour warranty
17.4 kg
Installer lift weight
ErP A
Space heating class
⚠ Installer notice: Must be installed by a Gas Safe registered engineer in accordance with current Gas Safety (Installation & Use) Regulations. Benchmark Commissioning Checklist must be completed and left with the user.
ℹ Open-vent or sealed: The Baxi 619 can be fitted on either system type, giving maximum flexibility for replacement and new-build applications. No permanent live is required — saving wiring time on site.
Key Features
19 kW Output — Right-sized for Mid-sized Homes
Delivering 19kW of central heating output with a minimum of 7.5kW, the 619 modulates across a wide range to maintain comfort without short-cycling. A flexible replacement for mid-range conventional boilers.
93% ErP Efficiency — ErP Class A Rated
The Baxi 619 achieves 93% Boiler Plus ErP efficiency and SEDBUK 89.2%, qualifying as a Class A space heating appliance. High condensing performance reduces gas consumption and running costs.
7-Year Parts & Labour Warranty
Installed and registered by a Gas Safe engineer, the 619 carries a full 7-year parts and labour warranty for homeowner peace of mind and minimal callback risk for the installer.
No Pump Overrun & No Permanent Live
Unlike many rivals, the Baxi 619 requires no pump overrun and no permanent live connection. This simplifies wiring, speeds up installation, and avoids the need to provide a dedicated switched supply.
Compact & Lightweight at 17.4 kg
At just 17.4 kg installer lift weight, the 619 is easy for a single engineer to hang without mechanical assistance. The slim 270mm depth makes it ideal for kitchen cupboard installations.
Easy-Fit Secure Wall Bracket
The positive-fix wall-mounting bracket with audible locking confirmation ensures the boiler is safely secured at first hang. Front and side access panels allow rapid servicing without special tools.
Flexible Flue Options
A telescopic 60/100mm concentric flue (315–500mm). Top or optional in-case rear flue routing gives site flexibility, with a maximum equivalent horizontal run of 6 metres.
OpenTherm Compatible & Hydrogen Blend Ready
The 619 supports Certified OpenTherm controls such as the Baxi uSense 2, enabling weather-compensating operation for maximum seasonal efficiency. Certified for use with an 80/20 natural gas/hydrogen blend.
Technical Specification
| MPN / Product Code | 7712020 |
| Model | Baxi 619 Heat Only |
| Series | Baxi 600 Heat |
| Heat output (max) | 19 kW |
| Heat output (min) | 7.5 kW |
| Heat input – max gross (QnHs) | 21.75 kW |
| Heat input – min gross (QnHs) | 8.59 kW |
| ErP space heating efficiency | 93% (Class A) |
| SEDBUK 2009 efficiency | 89.2% |
| NOx class / NOx | Class 6 / 21 mg/kWh |
| Sound power level (LWA) | 41 dB(A) indoors |
| Gas supply connection | 22mm |
| Inlet supply pressure (natural gas) | 20 mbar |
| Maximum gas rate | 2.07 m³/hr |
| Electrical supply | 230V / 50Hz |
| Power consumption | 23 W |
| Permanent live required | No |
| Pump overrun required | No |
| External fuse rating | 3A |
| IP rating | IPX4D |
| Flue type | 60/100mm concentric |
| Standard flue length | 315–500mm telescopic |
| Max equivalent flue length | 6 m |
| Flow / return pipe size | 22mm |
| Condensate pipe size | 21.5mm |
| Compartment ventilation required | No |
| Boiler width × height × depth | 370 × 625 × 270 mm |
| Installer lift weight | 17.4 kg |
| Gross packaged weight | 19.5 kg |
| System compatibility | Fully-pumped open-vent or sealed |
| Warranty | 7-year parts & labour |
Frequently Asked Questions
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Baxi 619 Heat Only Boiler is a 19kW wall-mounted gas condensing conventional boiler from Baxi's installer-favourite 600 series. Backed by a 7-year parts and labour warranty and rated ErP class A for space heating, it suits homes with a separate hot water cylinder and a high demand for central heating — whether on fully-pumped open-vent or sealed systems. Its no pump-overrun, no permanent-live design cuts installation time and reduces disruption for householders.
19 kW
Heat output
93%
ErP efficiency
7-Year
Parts & labour warranty
17.4 kg
Installer lift weight
ErP A
Space heating class
⚠ Installer notice: Must be installed by a Gas Safe registered engineer in accordance with current Gas Safety (Installation & Use) Regulations. Benchmark Commissioning Checklist must be completed and left with the user.
ℹ Open-vent or sealed: The Baxi 619 can be fitted on either system type, giving maximum flexibility for replacement and new-build applications. No permanent live is required — saving wiring time on site.
Key Features
19 kW Output — Right-sized for Mid-sized Homes
Delivering 19kW of central heating output with a minimum of 7.5kW, the 619 modulates across a wide range to maintain comfort without short-cycling. A flexible replacement for mid-range conventional boilers.
93% ErP Efficiency — ErP Class A Rated
The Baxi 619 achieves 93% Boiler Plus ErP efficiency and SEDBUK 89.2%, qualifying as a Class A space heating appliance. High condensing performance reduces gas consumption and running costs.
7-Year Parts & Labour Warranty
Installed and registered by a Gas Safe engineer, the 619 carries a full 7-year parts and labour warranty for homeowner peace of mind and minimal callback risk for the installer.
No Pump Overrun & No Permanent Live
Unlike many rivals, the Baxi 619 requires no pump overrun and no permanent live connection. This simplifies wiring, speeds up installation, and avoids the need to provide a dedicated switched supply.
Compact & Lightweight at 17.4 kg
At just 17.4 kg installer lift weight, the 619 is easy for a single engineer to hang without mechanical assistance. The slim 270mm depth makes it ideal for kitchen cupboard installations.
Easy-Fit Secure Wall Bracket
The positive-fix wall-mounting bracket with audible locking confirmation ensures the boiler is safely secured at first hang. Front and side access panels allow rapid servicing without special tools.
Flexible Flue Options
A telescopic 60/100mm concentric flue (315–500mm). Top or optional in-case rear flue routing gives site flexibility, with a maximum equivalent horizontal run of 6 metres.
OpenTherm Compatible & Hydrogen Blend Ready
The 619 supports Certified OpenTherm controls such as the Baxi uSense 2, enabling weather-compensating operation for maximum seasonal efficiency. Certified for use with an 80/20 natural gas/hydrogen blend.
Technical Specification
| MPN / Product Code | 7712020 |
| Model | Baxi 619 Heat Only |
| Series | Baxi 600 Heat |
| Heat output (max) | 19 kW |
| Heat output (min) | 7.5 kW |
| Heat input – max gross (QnHs) | 21.75 kW |
| Heat input – min gross (QnHs) | 8.59 kW |
| ErP space heating efficiency | 93% (Class A) |
| SEDBUK 2009 efficiency | 89.2% |
| NOx class / NOx | Class 6 / 21 mg/kWh |
| Sound power level (LWA) | 41 dB(A) indoors |
| Gas supply connection | 22mm |
| Inlet supply pressure (natural gas) | 20 mbar |
| Maximum gas rate | 2.07 m³/hr |
| Electrical supply | 230V / 50Hz |
| Power consumption | 23 W |
| Permanent live required | No |
| Pump overrun required | No |
| External fuse rating | 3A |
| IP rating | IPX4D |
| Flue type | 60/100mm concentric |
| Standard flue length | 315–500mm telescopic |
| Max equivalent flue length | 6 m |
| Flow / return pipe size | 22mm |
| Condensate pipe size | 21.5mm |
| Compartment ventilation required | No |
| Boiler width × height × depth | 370 × 625 × 270 mm |
| Installer lift weight | 17.4 kg |
| Gross packaged weight | 19.5 kg |
| System compatibility | Fully-pumped open-vent or sealed |
| Warranty | 7-year parts & labour |
Frequently Asked Questions
