Vaillant Installer London

Vaillant Boiler Installer in London

Everybody wants a home with maximum comfort, a place they can stay and relax and feel free. In a city like London, it’s impossible for you to have access to such without an efficient way to heat your home. Do you wish to have this in place? Then you need to install a Vaillant boiler. And to install this, you need a Vaillant approved installer.

Although countless companies offer this same service, ours is peculiar. Our engineers are trained experts that know how to install Vaillant boiler the right way without making a single mistake.

Having understood your need to have an efficient means of heating your home during cold winter months, we have designed an installation process according to the rules of Gas Safety to help improve the efficiency of your heating system. As a Vaillant approved installer, you will be getting the very best of installations at an affordable cost.

Another benefit of allowing a Vaillant approved installer like us take care of your installation is that your Vaillant boiler will be installed in such a way that it will last as long as possible. Allowing you to enjoy it without the need for a repair.

Being a  Vaillant approved installer, we have personnel with the best of requisite skill and tools to make this installation process as fast as possible. There won’t be any form of delay, nor will the installation cause a lot of mess or damages to your building.

By working with us, you will be free from exuberant prices fully package with hidden charges that are unknown to you. Our prices are affordable and recommended by Vaillant itself. Having worked with several homeowners, contractors and others in the past, we have a credible customer relationship and we promise to also extend that to you.

Looking for Vaillant approved installers? We here to provide just that and give you exactly what your home deserves.

Everybody wants a home with maximum comfort, a place they can stay and relax and feel free. In a city like London, it’s impossible for you to have access to such without an efficient way to heat your home. Do you wish to have this in place? Then you need to install a Vaillant boiler. And to install this, you need a Vaillant approved installer.

Although countless companies offer this same service, ours is peculiar. Our engineers are trained experts that know how to install Vaillant boiler the right way without making a single mistake.

Having understood your need to have an efficient means of heating your home during cold winter months, we have designed an installation process according to the rules of Gas Safety to help improve the efficiency of your heating system. As a Vaillant approved installer, you will be getting the very best of installations at an affordable cost.

Another benefit of allowing a Vaillant approved installer like us take care of your installation is that your Vaillant boiler will be installed in such a way that it will last as long as possible. Allowing you to enjoy it without the need for a repair.

Being a  Vaillant approved installer, we have personnel with the best of requisite skill and tools to make this installation process as fast as possible. There won’t be any form of delay, nor will the installation cause a lot of mess or damages to your building.

Finally

By working with us, you will be free from exuberant prices fully package with hidden charges that are unknown to you. Our prices are affordable and recommended by Vaillant itself. Having worked with several homeowners, contractors and others in the past, we have a credible customer relationship and we promise to also extend that to you.

Looking for Vaillant approved installers? We here to provide just that and give you exactly what your home deserves.

Get In Touch

You can contact Master Gas 24 hours a day and a member of our team will only be pleased to receive your call request.
By using Master Gas you can rest assured that your job will be completed by experts and to your satisfaction, not forgetting, of course, our workmanship guarantee. Call today
0203 667 7276

 

    Boiler Replacement London

    Vaillant Boiler Error Codes

    Fault Code Possible Cause Meaning
    F.00 NTC Faults This means that your Flow NTC (Negative Temperature Coefficient Thermistor) cable is either defective or broken and needs to be replaced
    F.01 The Flow NTC (Negative Temperature Coefficient Thermistor) cable is either defective or broken and needs to be replaced
    F.10
    F.11
    F.13
    F.20 Boiler has exceeded the maximum temperature and needs to cool down
    F.22 Dry fire / Low water in system / Overheat This means that there’s either no water in your system, you have a defective pump or the pump lead is defective
    F.24 Low water / Pump Failure / Blockage Pump could be obstructed, running at low capacity, could be air trapped or the pressure might be too low.
    F.28 Either insufficient gas in the system, a defective electrode, ignition lead or electronic ignitor
    F.29 Flame extinguished Flame or pilot light has gone out – check flue duct or gas supply.
    F.60 Gas valve control defective Cable loom (connects gas valve) might have short circuited, gas valve assembly defective or electronic control system issue.
    F.61 Gas valve control defective Cable loom (connects gas valve) might have short circuited, gas valve assembly defective or electronic control system issue.
    F.62 Defective gas valve closure mechanism Boiler has exceeded the maximum temperature and needs to cool down
    F.63 EEPROM (Electrically Erasable Programmable Read-Only Memory) error Electronic fault.
    F.64 Electronic system or sensor fault Flow or back flow NTC has short circuited, or an electronic fault
    F.65 Electronic system temperature too high This can happen because of an external heat source or an electrical fault
    F.67 Electronic fault in the flame system
    Fault Code Possible Cause
    F.1 Lack of gas, a fault with the ignition or flue – may need to adjust the gas valve or replace a defective electrode lead.
    F.4 Ignition fault.
    F.5 The system has suffered a fault due to overheating.
    F.6 Your flow NTC has developed a fault.
    F.17 Check the polarity of your system.
    F.24 Pump-related faults – the pump could have failed, it may have over run or there could be an issue with the airlock
    Fault Code Possible Cause
    F.00, .04, .05, .10, .14, .15 All of these are NTC faults, and are best resolved by first changing all NTC to make diagnosis earlier.
    F.21 The pilot flame has failed.
    F.22 There is insufficient water in your system.
    F.11 A blockage in the appliance is preventing the system from flowing as it should.
    F.12 A blockage in the appliance is affecting the system’s pressure.
    F.13 The appliance is blocked because of a water deficiency.
    Fault Code Possible Cause
    S.O Heating issue, no heat demand
    S.1 Fan start-up error
    S.2 Pump flow error
    S.3 Heating mode error – ignition problem
    S.4 Heat mode – burner on error
    S.6 Heating mode – fan overrun error
    S.7 Heating mode – pump overrun error
    S.8 Heating remaining cut off for XX amount of time
    S.31 No heat demand summer operating mode
    S.34 Heating mode frost protection error
    S.20 Hot water requirement error
    S.22 Hot water handling pump flow error
    S.24 Hot water operation burner is on
    S.85 Service message quantity of circulation water
    Fault Code Possible Cause
    F.00 / F.0 Flow temperature sensor interruption
    F.01 / F.1 Return temperature sensor interruption
    F.10 Flow NTC short circuit
    F.11 Return NTC short circuit
    F.20 Safety switch off temperature limiter
    F.22 Safety switch off low water pressure
    F.23 Safety switch off temperature difference too great
    F.24 Safety switch off temperature is rising to fast
    F.25 Safety switch off flue gas temperature too high
    F.26 Error with gas valve – possible no function
    F.27 Safety switch off flame simulation
    F.28 Failure during start up – ignition unsuccessful to start
    F.29 Failure during operation – re-ignition unsuccessful
    F.32 Fan error
    F.49 eBUS error – possible short circuit
    F.61 Error with gas valve regulation
    F.62 Error with gas valve – switch off delay
    F.63 EEPROM error
    F.64 Electronics / NTC error
    F.65 Electronic temperature error could be overheating due to external influences
    F.67 Electronics flame signal error
    F.68 Unstable flame signal error air in gas
    F.70 Invalid device specific number (DSN)
    F.71 Flow NTC error – flow temperature sensor signal constant value
    F.72 Flow return NTC error – temperature difference too great
    F.73 Water pressure sensor signal in the wrong range, it is too low
    F.74 Water pressure sensor signal outside correct range, the sensor signal is too high
    F.75 Error with pressure – no pressure change detection when starting the pump
    F.76 Overheating protection on – primary heat exchanger has responded
    F.77 Flue non return flap condensate pump error
    F.78 Interruption to DHW outlet sensor at external controller
    F.83 Flow and or return temperature sensor error
    F.84 Error with flow/return temperature sensor temperature changing error
    F.85 Error with flow and return temperature, sensor incorrectly fitted
    CONNECTION No communication with the PCB
    Fault Code Possible Cause
    S.00 Heating mode error – no heat demand
    S.01 Heating mode fan start-up
    S.02 Heating mode error – water pump running
    S.03 Heating mode – ignition sequence error
    S.04 Heating mode – burner ignited
    S.06 Heating mode – fan overrun error
    S.07 Heating mode – pump overrun error
    S.08 Heating remaining cut off time xx minutes
    S.10 Hot water demand via impeller sensor
    S.11 DHW mode fan start up error
    S13 DHW mode ignition error
    S.14 Hot water demand via fan sensor error
    S.15 DHW mode pump and fan overrun
    S.16 DHW mode – fan overrun error
    S.17 DHW mode – pump overrun error
    S.20 DHW mode – burner on error
    S.21 DHW mode – fan start up error
    S.22 DHW demand – error pump running
    S.23 DHW ignition error
    S.24 DHW mode – burner error
    S.25 DHW mode – pump or fan overrun error
    S.26 DHW mode – fan overrun
    S.27 DHW mode – pump overrun
    S.28 Hot water burner anti-cycling time
    S.30 Room thermostat is blocking heating mode
    S.31 No heat demand boiler in summer operating mode
    S.32 Waiting period because of fan speed deviation
    S.34 Heating mode frost protection error
    S.39 Burner off contact has been triggered this could be because of contact thermostat or condensate pump
    S.40 Comfort safety mode active
    S.41 Water pressure > 2.8 bar
    S.42 Flue non return flap return signal blocks burner operation
    S.46 Comfort safety mode flame loss at minimum load
    S.53 Boiler is in waiting period of modulation f block function due to water shortage
    S.54 Boiler is in waiting period of operation, blocking function as a result
    S.57 Waiting period comfort safety mode
    S.58 Modulation limitation due to noise / wind error
    S.61 Gas family check unsuccessful
    Fault Code Possible Cause
    S.20 Warnstar demand
    S.21 Fan running
    S.22 Pump running
    S.23 Ignition sequence
    S.24 Burner ignited
    S.25 Fan and water pump running
    S.26 Fan overrun
    S.27 Pump overrun
    S.28 Anti-cycling mode
    S.30 No heating demand from external controls
    S.31 Central heating thermostat knob turned off
    S.32 Heat exchanger antifreeze active as fan speed variation is too high
    S.34 Anti-frost mode is active
    S.36 Not heating demand form low voltage
    S.41 Water pressure greater than 2.9 bar
    S.42 Response from accessory module or defective condensate pump is blocking burner operation
    S.53 Appliance is within the waiting period of the block operation function due to water shortage
    S.54 Appliance is within the waiting period of the block operation due to water shortage
    S.96 Return sensor error
    S.98 Flow return sensor check is running demand is block
    D.0 Heating part load error
    D.1 Water pump overrun – time for heat mode
    D.2 Max burner anti-cycling period at 20c flow temperature
    D.3 Hot water flow temperature reading
    D.4 Current temperature for warm stat sensor
    D.7 Warm start temperature target value
    D.8 External controls heat demand
    D.9 Flow target temperature from external analogue regulator terminal
    D.10 Status internal heating pump error
    D,11 Status external heating pump error
    D.12 Cylinder charging pump via accessory module
    D.13 Hot water circulation pump
    D.22 Hot water demand
    D.23 Summer/Winter function
    D.25 Hot water activation via ebus control
    D.30 Control signal for both gas valves
    D.33 Fan speed target value
    D.34 Fan speed actual value
    D.36 Hot water flow sensor
    D.40 Flow temperature target value
    D.41 Return temperature actual value
    D.44 Digitised ionisation potential error
    D.47 Outside temperature with weather compensator – Vaillant controller only
    D.76 Remaining burner anti-cycling time in min
    D.90 Digital regulator status
    D.91 DCF status with connected external probe
    D.97 Activation of the second diagnostic level
    D.17 Heating glow return regulation
    D.18 Pump mode return
    D.19 Operating modes of the two speed heating pump
    D.20 Maximum set value for target cylinder
    D.27 Switching accessory relay 1
    D.28 Switching accessory relay 2
    D.50 Offset for minimum speed
    D.51 Offset for maximum speed
    D.58 Activation of solar reheating
    D.60 Number of safety temperature cut off
    D.61 Number of unsuccessful lockouts
    D.64 Average ignition times
    D.65 Maximum ignition time
    D.68 Unsuccessful ignitions in the first attempt
    D.69 Unsuccessful ignition for the second time
    D.70 Set diverter valve position
    D.71 Maximum setting of heater control knob
    D.72 Pump overrun time after warm start
    D.73 Off set for warm start target value
    D.75 Maximum charging time for a storage without own controller
    D.77 Limitation of cylinder charging in output in kW
    D.78 Limitation of cylinder charging temperature in c
    D.80 Operating hours heating
    D.81 Operating hours hot water generation
    D.82 Burner start up in heating mode
    D.83 Burner start up in hot water mode
    D.84 Maintenance indicator – number of hours until the next maintenance
    D.93 DSN appliance variant setting
    D.96 Factory setting
    Fault Code Possible Cause
    P.00 The heating circuit and hot water circuit are purged
    P.01 Maximum load test program error
    P.02 Minimum load test program
    P.06 Filling mode test program
    Fault Code Possible Cause
    D.0 Heating part load error
    D.1 Water pump overrun – time for heat mode
    D.2 Max burner anti-cycling period at 20c flow temperature
    D.3 Hot water flow temperature reading
    D.4 Current temperature for warm stat sensor
    D.5 Set value of flow temperature or target value of return
    D.7 Warm start temperature target value
    D.8 External controls heat demand
    D.9 Flow target temperature from external analogue regulator terminal
    D.10 Status internal heating pump error
    D,11 Status external heating pump error
    D.12 Cylinder charging pump via accessory module
    D.13 Hot water circulation pump
    D.15 Pump speed actual value
    D.22 Hot water demand
    D.23 Summer/Winter function
    D.24 Not relevant
    D.25 Hot water activation via eBus control
    D.30 Control signal for both gas valves
    D.33 Fan speed target value
    D.34 Fan speed actual value
    D.35 Not relevant
    D.40 Flow temperature target value
    D.41 Return temperature actual value
    D.44 Digitised ionisation – potential error
    D.47 Outside temperature with weather compensator – Vaillant controller only
    D.76 Remaining burner anti-cycling time in min
    D.90 Digital regulator status
    D.91 DCF status with connected external probe
    D.97 Activation of the second diagnostic level
    D.98 Telephone a heating engineer
    D.14 Pump speed target value
    D.17 Heating flow return regulation
    D.18 Pump operating mode
    D.20 Maximum set value for target cylinder
    D.26 Additional relay control ecoTec
    D.27 Switching accessory relay 1
    D.28 Switching accessory relay 2
    D.50 Offset for minimum speed
    D.51 Offset for maximum speed
    D.60 Number of safety temperature cut offs
    D.61 Number of unsuccessful lockouts
    D.64 Average ignition times
    D.65 Maximum ignition time
    D.67 Remaining burner anti-cycling time
    D.68 Unsuccessful ignitions in the first attempt
    D.69 Unsuccessful ignition for the second time
    D.70 Set diverter valve position
    D.71 Maximum setting of heater control knob
    D.72 Pump overrun time after warm start
    D.75 Maximum charging time for a storage without own controller
    D.77 Limitation of cylinder charging in output in kW
    D.78 Limitation of cylinder charging temperature in celsius
    D.80 Operating hours heating
    D.81 Operating hours hot water generation
    D.82 Burner start up in heating mode
    D.83 Burner start up in hot water mode
    D.84 Maintenance indicator – number of hours until the next maintenance
    D.93 DSN appliance variant setting
    D.96 Factory setting

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