FAQ's and Tips
If you are a landlord in West London, it’s vital that you do everything possible to keep your property and your tenants safe. We provide landlord gas safety inspections and landlord gas safety certificates for properties across West London.
Boiler repair & servicing FAQ's
What are the common problems with boilers?
Homeowners often face boiler issues that can disrupt heating and hot water. Here are some common problems and their potential causes:
- No Heating or Hot Water: This might stem from airlocks, motorised valve failures, or component malfunctions. More frequent culprits include low system pressure or a faulty thermostat—remember to check the thermostat batteries!
- Leaking or Dripping: Internal component failures are often to blame, such as pressure relief valve issues, worn washers, or condensate leaks.
- Unusual Noises: Banging, gurgling, or whistling sounds could indicate air in the system, low water pressure, or kettling caused by limescale buildup or sludge. Blockages or faulty circulation pumps can also lead to banging.
- Boiler Switching Off: This may be due to low water pressure, a faulty thermostat, or poor water flow. Keep an eye on fault codes displayed on your boiler and contact us for assistance.
If you’re experiencing any of these issues, don’t hesitate to reach out—our team is here to help!
How can I maintain my boiler to prevent issues?
Looking after your boiler isn’t just smart; it’s essential for efficient and reliable performance. Here’s how you can keep your system running smoothly:
- Annual Servicing: A yearly check-up by a qualified engineer ensures every component is working properly and catches issues early, saving you from costly repairs later. Book your service today!
- Bleeding Radiators: Got cold spots? Releasing trapped air helps radiators heat evenly and prevents your boiler from overworking. Just don’t forget to check and top up the pressure afterwards!
- Checking Pressure: Keep an eye on the pressure gauge; it should sit around 1.5 bar. Low pressure can lead to inefficiency or even stop your boiler from working entirely.
- Insulation and Draught-Proofing: Well-insulated homes and sealed draughts lighten your boiler’s load, improving its efficiency and saving you money on energy bills.
What should I consider before installing a new boiler?
Getting a new boiler is a big decision, so here’s what to keep in mind to make sure it’s the right fit for your home:
- Boiler Type: Decide between combi, system, or heat-only boilers. Each has unique benefits depending on your household size and hot water needs. Get a free quote today.
- Energy Efficiency: Modern condensing boilers are incredibly efficient and can save you money in the long run.
- Timing: Replacing your old boiler before winter ensures reliable performance during the colder months.
- Expert Advice: Consult qualified engineers to assess your home’s heating requirements and recommend the most suitable options.
Why is an annual boiler service important?
An annual boiler service ensures your boiler operates safely and efficiently while complying with manufacturer instructions.
It helps:
• Identify gas leaks or carbon monoxide risks.
• Maintain efficiency and reduce energy costs.
• Prevent breakdowns and extend boiler lifespan.
• Keep your manufacturer’s warranty valid.
Landlords should look out for warning signs such as unusual noises, inconsistent heating, a drop in water pressure, pilot light issues, or higher energy bills. If any of these issues arise, arranging a service from a Gas Safe registered engineer is essential. Regular checks ensure the boiler runs safely and efficiently, avoiding costly repairs or emergencies later.
What does a boiler service include?
At West London Gas Ltd, we follow a comprehensive process, including:
• Visual Inspection: Checking for damage, corrosion, and proper ventilation.
• Internal Inspection: Inspecting and cleaning components like the heat exchanger and burner.
• Gas Pressure Testing: Ensuring correct gas pressure and flow rate.
• Safety Checks: Testing for carbon monoxide and ensuring seals and safety devices work properly.
• System Checks: Examining radiators, pipework, controls, and thermostat functionality.
• Performance Testing: Analysing combustion and verifying proper boiler operation.
• Certification: Updating service logs and providing professional recommendations.
How long does a boiler service take?
A standard service usually takes 30 minutes to 1 hour.
How much does a boiler service cost?
Our standard boiler service costs £95 + VAT. For a strip-down service (if required), additional parts and labour may apply. We will always seek your approval before proceeding with extra work.
What can I do to prepare for a boiler service?
To prepare for your boiler service, please ensure to:
• Clear the area around your boiler for easy access.
• Have your boiler’s manufacturer instructions and service logbook ready.
• Ensure the service log is updated to maintain your warranty.
What do the fault codes mean on my boiler?
Fault codes on your boiler are diagnostic tools designed to indicate specific issues with the system. Each boiler manufacturer uses unique fault codes, so understanding them requires referring to your boiler’s manual. Below are some common fault codes and their meanings:
General Fault Code Examples:
- E1/Err 01: Low system pressure. Check the pressure gauge—ideal pressure is around 1.5 bar. You may need to top up the system using the filling loop.
- E2/Err 02: Ignition failure. This could indicate a gas supply issue or a problem with the ignition components.
- E3/Err 03: Overheating. Often caused by blocked heat exchangers, faulty pumps, or trapped air in the system.
- E4/Err 04: Flame failure. This typically points to a problem with the gas supply, burner, or ignition system.
Common ‘F’ Codes on Vaillant Boilers
- F.00 – Flow Temperature Sensor Interruption
Indicates a faulty NTC sensor, loose or disconnected wiring, or a defective cable harness. Contact a Gas Safe registered engineer for assistance. - F.01 – Return Temperature Sensor Interruption
Similar to F.00, this fault relates to the return temperature sensor. Professional inspection and potential replacement are required. - F.10 – Flow Temperature Sensor Short Circuit
Caused by a defective NTC sensor or a short circuit in the wiring. A professional engineer should inspect and resolve the issue. - F.11 – Return Temperature Sensor Short Circuit
Points to a short circuit or defective NTC sensor in the return temperature sensor. Contact an engineer to diagnose and fix the fault. - F.20 – Safety Switch-Off: Overheating
May occur due to insufficient water in the system, faulty temperature sensors, or pump failure. Turn off the boiler and allow it to cool before contacting a professional. - F.22 – Low Water Pressure
Indicates insufficient water in the system or a faulty water pressure sensor. Refill the system pressure to 1.5 bar if possible. Seek professional help if the fault persists. - F.23 – Temperature Difference Too Great Between Flow and Return
Caused by air in the system, faulty temperature sensors, or a blocked or underperforming pump. Bleed the radiators and consult an engineer if the issue remains unresolved. - F.24 – Pump Failure or Low Water Circulation
Indicates a pump failure, air in the system, or low system pressure. Bleed the system and check the pressure, or call an engineer if needed. - F.27 – Flame Detected When Burner is Off
Suggests a faulty gas valve or defective PCB. Turn off the boiler and call a Gas Safe engineer immediately. - F.28 – Ignition Failure
Often caused by a gas supply issue, faulty ignition components, or a blocked condensate pipe. Ensure the gas supply is on and check for frozen condensate pipes. Contact an engineer for further help. - F.29 – Flame Extinguished During Operation
Indicates an interruption in the gas supply, a faulty flame detection sensor, or a blocked condensate pipe. Reset the boiler and contact a professional if the fault continues. - F.32 – Fan Fault
Caused by a blocked or defective fan, or faulty wiring. A qualified engineer should inspect and repair the fan. - F.75 – No Pressure Change Detected When Pump Starts
Typically indicates a defective pump, faulty water pressure sensor, or air in the system. Bleed the system and check the pressure. If unresolved, consult a professional.
Steps to Take:
- Consult the Manual: Look up the fault code in your boiler’s manual for detailed explanations and troubleshooting steps.
- Check for Basic Issues: Ensure the boiler has power, the thermostat is set correctly, and there is a gas supply by checking other gas appliances and your gas meter’s emergency control valve (ECV) is on.
- Call a Professional: If the fault persists, contact a Gas Safe registered engineer for expert diagnosis and repair.
Important Note: Remember safety first! Always refer to your boiler’s user manual for specific fault code definitions and troubleshooting steps. For safety, never attempt to repair a gas appliance yourself. Always consult a Gas Safe registered engineer.
If you experience any of these fault codes, contact us for professional assistance.
Who are the best boiler manufacturers in the UK?
Choosing the right boiler manufacturer is essential to ensure reliability, efficiency, and long-term performance. Here are some of the top boiler manufacturers in the UK, here are our top 4:
- Worcester Bosch
A leading UK manufacturer, Worcester Bosch is renowned for its high-quality and reliable products. The company has consistently won the Which? Best Buy Award for over 14 years, reflecting its dedication to excellence. - Vaillant
A well-established brand, Vaillant is celebrated for its green and efficient boiler systems, which help reduce fuel wastage and carbon emissions. - Baxi
With over 150 years of history, Baxi is known for manufacturing reliable, efficient boilers. They offer a range of models to suit different needs and are praised for excellent customer service. - Ideal Boilers
Established in 1906, Ideal is one of the UK’s leading boiler manufacturers. They are known for their high-efficiency standards, robust warranty periods, and modern technology.
When selecting a boiler, consider factors like energy efficiency, warranty periods, and the specific heating needs of your home. For tailored advice on choosing the best boiler, contact us or get a quote.
What are the risks of neglecting boiler servicing?
Neglecting boiler servicing can lead to breakdowns, carbon monoxide leaks, reduced efficiency, and higher energy bills. Regular servicing by a Gas Safe registered engineer ensures the boiler runs safely and effectively. Landlords who fail to maintain their boilers may face tenant complaints, increased repair costs, and potential legal penalties for non-compliance with safety regulations.
General FAQ's
What can I do in freezing weather to stop pipes freezing?
Frozen pipes are a common issue during extreme cold weather, but you can take preventative steps to protect your plumbing:
- Keep Heating On: Set your thermostat to a consistently low temperature, even when you’re not home.
- Insulate Pipes: Use foam pipe insulation, especially for exposed pipes in lofts, garages, and basements.
- Open Cabinet Doors: Allow warm air to circulate around pipes under sinks or in unheated areas.
By following these steps, you can avoid the stress of frozen or burst pipes. Need more advice? Get in touch with us today!
How do I thaw a frozen condensate pipe?
A frozen condensate pipe can cause your boiler to shut down, but you can safely thaw it with these steps:
- Turn Off the Boiler: Switch off your boiler and ensure it’s safe to work on.
- Locate the Pipe: The condensate pipe is usually a white or grey plastic pipe leading outside.
- Use Warm Water: Pour warm (not boiling) water over the frozen section of the pipe. Alternatively, wrap the pipe with a warm cloth soaked in hot water or your trusty hot water bottle.
- Restart the Boiler: Once the pipe is thawed, reset your boiler and check if it starts working again.
If you’re unsure or the issue persists, give us a call. Contact our team for support.
Are gas boilers being banned?
There has been much discussion about the future of gas boilers as part of the UK’s efforts to reduce carbon emissions. While no immediate ban is in place for gas boilers in existing homes, the government has proposed phasing out gas boiler installations in new-build homes by 2025. By 2035, the goal is to transition to low-carbon alternatives like heat pumps.
For now, you can still use and replace your gas boiler, but it’s worth exploring energy-efficient models.
Can I replace my existing gas boiler with a new gas boiler?
Yes, you can replace your existing gas boiler with a new, more energy-efficient model. Modern condensing boilers are designed to use less fuel and emit fewer greenhouse gases, making them a great choice for reducing your carbon footprint while maintaining comfort in your home.
Is it advisable to turn off radiators in unused rooms to save energy?
Contrary to popular belief, turning off radiators in unused rooms can sometimes increase energy costs, especially with modern condensing boilers. These boilers operate more efficiently with consistent water flow throughout the system. Instead, keep radiators on in unused rooms but set them to a low temperature using thermostatic radiator valve controls.
How can I improve energy efficiency and reduce heating bills?
Saving energy doesn’t have to be complicated. Here are some practical steps homeowners can take to reduce heating costs while staying comfortable:
- Thermostat Management: Lower your thermostat by just one degree to see significant savings. Upgrade to a Boiler+ or smart thermostat for even better energy optimisation.
- Flow Temperature Adjustment: Setting your boiler’s flow temperature to around 60°C can improve efficiency and reduce bills. Need help? Contact us for tailored advice.
- Smart Thermostats: Programmable or smart thermostats give you precise control over heating schedules, minimising wasted energy. Reach out to explore your options.
- Radiator Management: Keep radiators unobstructed and use thermostatic radiator valves (TRVs) to set ideal temperatures for each room.
Small changes can lead to big savings. Take control of your energy use today!
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Landlords
Why choose West London Gas
Helping landlords over West London homes covering Acton, Chiswick, Ealing, Hammersmith, Hanwell, and Kensington.
When you choose West London Gas for your landlord safety certificates, you get a full service:
- We inspect every nook and cranny of your gas-powered systems to ensure they remain in top condition.
- We cover our work with excellent warranties.
- We’re available 24 hours a day, 365 days a year.
- We can deal with tenants on your behalf if required.
- We offer fantastic discounts to help landlords save money.
- We have a long list of satisfied customers and verified recommendations.
From landlord safety certificates to gas safety checks, West London Gas will have you covered. Get in touch with our team to book a service with us today.
