Baxi 424 Combi 2 User Manual (English)

Other manuals for Baxi 424 Combi 2

Questions and Answers:

K
Kristin CobbAug 16, 2025
What to do if the flow temperature increases too quickly in heating mode on my Baxi Boiler?
- M
  Mr. David MaysAug 16, 2025
  If the flow temperature increases too quickly in heating mode on your Baxi Boiler, it may be due to insufficient circulation or other causes. You should: * Check the boiler/installation circulation. * Activate a manual venting cycle. * Check the installation pressure. * Check the operation of the pump. * Check the cleanliness of the exchanger. * Check the operation and connection of the temperature sensors.
M
Melinda BlairAug 22, 2025
Why does my Baxi Boiler reach the maximum flow or return temperature?
- C
  Christopher LongAug 22, 2025
  If your Baxi Boiler reaches the maximum flow or return temperature, it may be caused by insufficient circulation. To address this, check the boiler and installation circulation, and activate a manual venting cycle.
M
Mark WhiteAug 25, 2025
How to troubleshoot a pressure sensor open/faulty error on a Baxi 424 Combi 2 Boiler?
- R
  Robert BrownAug 26, 2025
  If the pressure sensor is open or faulty on your Baxi Boiler, it is likely due to a sensor or connection problem. Check the operation of the pressure sensor and the sensor/PCB connection.
D
Donald RichardsonAug 28, 2025
What to do if there is a temporary communication failure in the PCB of my Baxi 424 Combi 2 Boiler?
- D
  Doris FullerAug 28, 2025
  If there is a temporary communication failure in the PCB of your Baxi Boiler, the error should be resolved automatically.
K
Kathryn MoraAug 31, 2025
What to do if the Baxi 424 Combi 2 flow temperature increases too quickly in heating mode?
- J
  Joel JamesAug 31, 2025
  If the flow temperature increases too quickly in heating mode, this may be due to insufficient circulation or other causes. You should: * Check the boiler/installation circulation. * Activate a manual venting cycle. * Check the installation pressure. * Check the operation of the pump. * Check the cleanliness of the exchanger. * Check the operation and connection of the temperature sensors.
V
Victoria KnightSep 3, 2025
What to do if my Baxi 424 Combi 2 Boiler reaches the maximum temperature difference between flow and return?
- S
  Stephanie YoderSep 3, 2025
  If your Baxi Boiler reaches the maximum temperature difference between flow and return, it could be due to insufficient circulation or other causes. Consider the following: * Check the boiler/installation circulation. * Activate a manual venting cycle. * Check the installation pressure. * Check the cleanliness of the exchanger. * Check the operation of the temperature sensors. * Check the temperature sensor connection.
R
Robert HarrisonSep 6, 2025
What to do if my Baxi 424 Combi 2 Boiler reaches the maximum flow or return temperature?
- G
  Gary GuerreroSep 6, 2025
  If your Baxi Boiler reaches the maximum flow or return temperature, this may be caused by insufficient circulation. You should check the boiler/installation circulation and activate a manual venting cycle.
V
Valerie HopkinsSep 9, 2025
How to troubleshoot a Baxi 424 Combi 2 pressure sensor that is open or faulty?
- M
  Melinda HernandezSep 9, 2025
  If the pressure sensor is open or faulty, it indicates a sensor or connection problem. Check the operation of the pressure sensor and the sensor/PCB connection.
L
Lisa LongSep 10, 2025
What to do if the maximum temperature difference value between flow and return is reached on a Baxi 424 Combi 2 Boiler?
- J
  Jason SpencerSep 12, 2025
  If the maximum temperature difference between flow and return has been reached on your Baxi Boiler, this could be due to insufficient circulation or other causes. To resolve this, you can: * Check the boiler/installation circulation. * Activate a manual venting cycle. * Check the installation pressure. * Check the cleanliness of the exchanger. * Check the operation and connection of the temperature sensors.
D
darrensweeneySep 12, 2025
What to do if my Baxi 424 Combi 2 Boiler experiences a temporary communication failure in the PCB?
- A
  Amber LoganSep 12, 2025
  The error is resolved automatically.

Baxi 424 Combi 2 Specifications

General

Boiler Type	Combi
Mounting	Wall-mounted
Output	24 kW
Dimensions (HxWxD)	700 x 400 x 300 mm
Fuel Type	Natural Gas
Hot Water Flow Rate	9.8 l/min
Max. working pressure	3 bar
Central Heating Output	24 kW